Measurement Computing USB-1208FS / LS / 1408FS Series

Measurement Computing USB-1208FS / LS / 1408FS Series
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USB-1208FS/LS/1408FS Series
12-bit and 14-bit Multifunction Devices with 8 AI, 2 AO
Features
• Low cost, multifunction USB devices
with 4 differential or 8 single-ended
analog inputs (software‑selectable)
• Provides 12-bit or 14-bit
analog input resolution
• Maximum sample rates ranging
from 1.2 kS/s to 50 kS/s
• 2 analog outputs
• 16 digital I/O
• One 32-bit counter input
channel
• No external power required
• All models available with enclosure
and screw terminals
• USB-1208FS-Plus-OEM and
USB-1408FS-Plus-OEM also available
as board-only versions with header
connectors (no case, CD, or USB
cable included)
Software
Supported Operating Systems
• Windows® 8/7/Vista®/XP 32/64-bit
−− Universal Library™ (UL), ULx for
NI LabVIEW™
• Linux® open-source driver support
• Android™
−− UL for Android (-Plus and -OEM
models only)
Ready-to-Run Applications
• InstaCal™ (install, configure, and
test)
• DAQami™ Advanced Data Logging
Application (acquire, view, and log)
• TracerDAQ® (acquire, view, log, and
generate)
All devices in this series offer eight singled-ended or four differential analog inputs, two analog
outputs, 16 digital I/O, and one counter input. The USB-1208FS-Plus/1408FS-Plus (standard
and -OEM models) also include eight high-current (24 mA) digital I/O connections.
Supported Programming Environments
• Visual Studio® and Visual Studio
.NET, including examples for Visual
C++®, Visual C#®, Visual Basic®,
and Visual Basic .NET , and other
IDEs
• Java® (Android only) including
examples and demo apps*
• LabVIEW (Windows only)
• DASYLab®
• MATLAB® (Data Acquisition
Toolbox™)
Overview
The USB-1208FS/LS/1408FS Series consists of the low-cost analog and digital
I/O devices. All of these devices offer
four differential (DIFF) or eight singleended (SE) analog inputs, two analog
outputs, 16 digital I/O channels, and
one counter input.
USB-1208FS/LS/1408FS Series Selection Chart
Specification
USB-1208LS
USB-1208FS
USB-1208FS-Plus
USB-1208FS-Plus-OEM
USB-1408FS
USB-1408FS-Plus
USB-1408FS-Plus-OEM
Analog Input
8 SE/4 DIFF
8 SE/4 DIFF
8 SE/4 DIFF
8 SE/4 DIFF
8 SE/4 DIFF
Maximum Sample Rate
1.2 kS/s
50 kS/s
50 kS/s
48 kS/s max
48 kS/s max
Analog Outputs
2
2
2
2
2
Concurrent AI/AO
Scanning Operations
–
–
✔
–
✔
Digital Output
±2.5 mA per Pin
±6.0 mA per Pin
±6.0 mA per Pin (Port A)
±24.0 mA per Pin (Port B)
±6.0 mA per Pin
±6.0 mA per Pin (Port A)
±24.0 mA per Pin (Port B)
Event Counters
1
1
1
1
1
DAQami Support
✔
✔
✔
✔
✔
UL for Android Support
–
–
✔
–
✔
Measurement Computing
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USB-1208FS/LS/1408FS Series
General Information
Analog Input
USB-1208FS and USB-1408FS: Both devices offer two 12-bit
analog outputs with a range of 0 V to 4.096 V.
USB‑1208LS/1208FS/1208FS-Plus/USB-1208FS-Plus-OEM: These
devices provide eight, 11-bit SE analog inputs or four, 12-bit
DIFF analog inputs.
When updating continuously from computer
memory (hardware-paced mode), one analog output updates
at a maximum rate of 10 kS/s; two analog outputs update
simultaneously at a maximum rate of 5 kS/s each.
USB‑1408FS/1408FS-Plus/ USB-1408FS-Plus-OEM: These devices
provide eight, 13-bit SE analog inputs or four, 14-bit DIFF
analog inputs.
USB-1208FS-Plus, USB-1408FS-Plus, and -OEM Models: Both
devices offer two 12-bit analog outputs with a range of 0 V to
5 V.
All devices support software‑selectable ranges that provide
inputs from ±1 V to ±20 V in a DIFF configuration, and ±10 V
in a SE configuration.
Sample Rate
When updating continuously from computer
memory (hardware-paced mode), the analog outputs update at
a maximum rate of 50 kS/s per channel.
USB‑1208LS: When scanning in hardware-paced mode, the
USB-1208LS can sample at a maximum of 1.2 kS/s. BURSTIO
mode into the 4 kS FIFO is also available at rates up to 8 kS/s.
Concurrent AI/AO Scanning Operations
(-Plus and -OEM Models Only)
The USB-1208FS-Plus, USB-1408FS-Plus, USB-1208FS-Plus-OEM
and USB-1408FS-Plus-OEM all support executing an analog
input scan and analog output scan at the same time.
USB-1208FS/1208FS-Plus, USB-1408FS/1408FS-Plus, and
-OEM Models: When scanning in hardware-paced mode, the
USB-1208FS/1208FS-Plus can sample at a maximum of 50 kS/s,
and the USB-1408FS/1408FS-Plus can sample at a maximum of
48 kS/s.
Digital I/O
All devices provide 16 TTL-level digital I/O lines. Digital I/O
can be programmed on each 8-bit port (Port A and Port B) for
either input (default) or output.
Channel-Gain Queue
The channel-gain queue feature lets you configure a list of
channels and gains for each scan. Each channel can have a different gain setting. The gain settings are stored in a channelgain queue list that is written to local memory on the device.
USB-1208FS-Plus, USB-1408FS-Plus and -OEM Models: Port B0
through Port B7 are high-current drive (24 mA) digital I/O connections.
The USB-1208LS channel-gain queue list can contain up to
eight channels in SE mode and up to four channels in DIFF
mode. The channels can be listed in any order.
Event Counter Input
Each device supports one 32-bit TTL-level counter that accepts
inputs up to 1 MHz.
The USB-1208FS and USB-1408FS channel-gain queue can
contain up to 16 channels listed in any order.
-Plus-OEM Versions
The USB-1208FS-Plus and USB-1408FS-Plus channel-gain
queue can contain up to eight unique channels in SE mode
and up to four unique channels in DIFF mode. The channels
can be non-consecutive, but must be listed in increasing order.
The USB-1208FS-Plus-OEM and USB-1408FS-Plus-OEM have a
board-only form factor with header connectors for OEM and
embedded applications (no case, CD, or USB cable included).
All devices can be further customized to meet customer needs.
Analog Output
The maximum analog output update rate for all devices
depends on several factors, including USB port speed.
USB‑1208LS: This device offers two 10-bit analog outputs with
a range of 0 V to 5 V.
One analog output updates at a maximum rate of 100 S/s; two
analog outputs update at a maximum rate 50 S/s each. The
USB-1208LS updates in software-paced mode only.
Measurement Computing
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The USB-1208FS-Plus-OEM and USB-1408FS-Plus-OEM have the
same specifications as the USB-1208FS-Plus and USB-1408FS-Plus.
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USB-1208FS/LS/1408FS Series
Software Information
Software Support
USB-1208FS/LS/1408FS Series devices are supported by the software in the table below.
Ready-to-Run Applications
InstaCal
An interactive utility that configures and tests MCC hardware. Windows® OS
InstaCal is included with the free MCC DAQ Software bundle (CD/download).
DAQami
Advanced data logging application with drag-and-drop software interface that is used
to acquire, view, and log data. DAQami can be configured to log analog channels
and to view that data in real-time or post-acquisition on user-configurable displays.
Windows OS
DAQami is available as a purchased software download.
TracerDAQ and
TracerDAQ Pro
A virtual strip chart, oscilloscope, function generator, and rate generator applications
used to generate, acquire, analyze, display, and export data. The Pro version provides
enhanced features. Windows OS
TracerDAQ is included with the free MCC DAQ Software bundle (CD/download).
TracerDAQ Pro is available as a purchased software download.
General-Purpose Programming Support
Universal Library
(UL)
Programming library of function calls for C, C++, VB, C# .Net, and VB .Net using
Visual Studio and other IDEs. Windows OS
The UL is included with the free MCC DAQ Software bundle (CD/download).
UL for Android
(-Plus and -OEM
models only)
Programming library of function calls for Java programmers who develop apps for
Android-based tablets and phones. UL for Android communicates with select MCC
DAQ devices. Supports Android project development on Windows, Linux, Mac OS X
UL for Android is included with the free MCC DAQ Software bundle (CD/download).
Linux Driver
Open-source Linux drivers are available for most MCC devices. Example programs are
also provided.
Application-Specific Programming Support
ULx for
NI LabVIEW
A comprehensive library of VIs and example programs for NI LabVIEW that is used to
develop custom applications that interact with most MCC devices. Windows OS
ULx is included with the free MCC DAQ Software bundle (CD/download).
DASYLab Driver
Icon-based data acquisition, graphics, control, and analysis software that allows users
to create complex applications in minimal time without text-based programming.
DASYLab is available as a purchased software download. Windows OS
MATLAB Driver
High-level language and interactive environment for numerical computation,
visualization, and programming. The Data Acquisition Toolbox, provided by The
Mathworks, allows users to acquire data from most MCC PCI and USB devices.
Visit www.MathWorks.com for more information on MATLAB Data Acquisition
Toolbox support.
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USB-1208FS/LS/1408FS Series
Specifications
USB-1208LS/1208FS/1408FS Block Diagram
8
Event Counter
1 Channel (32-bit)
Digital I/O
Port B
SYNC (USB-120FS/1408FS only)
TRIG_IN
16
8
Digital I/O
Port A
1
CAL (USB-1208LS/1208FS only)
USB
Microcontroller
Analog Output
2 Channels1
Analog Input
8 Single-Ended Channels2
or
4 Differential Channels3
16
USB-1208LS
USB-1208FS/1408FS
Low-speed
USB 1.1
Compliant
Interface
Full-speed
USB 2.0
Compliant
Interface
1
10-bit on USB-1208LS,
12-bit on USB-1208FS/1408FS
2
11-bit on USB-1208FS,
13-bit on USB-1408FS
3
12-bit on USB-1208FS,
14-bit on USB-1408FS
2
8
USB
Specifications
Input current
Input current is a function of applied voltage on the analog input channels.
For a given input voltage, Vin, the input leakage is approximately equal to
(8.181 * Vin–12) µA
Vin = 10 V, 70 µA typ
Vin = 0 V, –12 µA typ
Vin = –10 V, –94 µA typ
Ranges: Software or selectable on a per-channel basis
SE mode: ±10 V
DIFF mode: ±20 V, ±10 V, ±5 V, ±4 V, ±2.5 V, ±2.0 V, ±1.25 V, ±1.0 V
Throughput
Maximum throughput scanning to computer memory depends on the
computer being used.
USB‑1208LS
Software paced: 50 S/s typ, system‑dependent
Hardware paced: 1.2 kS/s
BURSTIO to 4 kS FIFO: 8 kS/s
USB‑1208FS/1208FS-Plus
Software paced: 250 S/s typ, system‑dependent
Hardware paced: 50 kS/s
USB‑1408FS/1408FS-Plus
Software paced: 250 S/s typ, system‑dependent
Hardware paced: 48 kS/s
Channel gain queue
USB‑1208LS/1208FS-Plus/1408FS-Plus: Up to 8 elements, software-selectable
channel and range
USB‑1208FS/1408FS: Up to 16 elements, software-selectable channel and
range
These specifications apply to both standard and OEM versions unless noted
otherwise..
General
Environment
Operating temperature: 0 ˚C to 70 ˚C
Storage temperature: –40 ˚C to 70 °C
Relative humidity: 0% to 90% non-condensing
Communications
USB‑1208LS: USB 1.1 low-speed mode (1.5 Mbps)
USB-1208FS/1208FS-Plus/1408FS/1408FS-Plus: USB 2.0 full-speed mode
(12 Mbps)
Acquisition data buffer (USB‑1208LS only): 4 kS
Signal I/O connector
-OEM models: Two 20-pin, 0.1 in. pitch headers
All other devices: 2 banks of screw-terminal blocks
Dimensions (L × W × H)
-OEM models: 81.28 × 70.36 × 13.72 mm (3.20 × 2.77 × 0.54 in.)
All other devices: 79 × 82 × 27 mm (3.20 × 3.10 × 1.05 in.) Analog Input
A/D converter type: Successive approximation
Channels: 8 SE or 4 DIFF, programmable as SE or DIFF
Input common-mode voltage range for linear operation
SE Mode: CHx to GND, ±10 V max
DIFF Mode: CHx to GND, –10 V min, 20 V max
Absolute maximum input voltage
USB‑1208LS: CHx to GND,±40 V max
USB-1208FS/1208FS-Plus/1408FS/1408FS-Plus: CHx to GND, ±28 V max
Input impedance: 122 kΩ
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USB-1208FS/LS/1408FS Series
Specifications
USB-1208FS-Plus, USB-1408FS-Plus, and -OEM Models Block Diagram
Digital I/O
Port B
(High-Drive)
8
Digital I/O
Port A
Event Counter
1 Channel (32-bit)
Full-speed
USB 2.0
Compliant
Interface
16
1
SYNC
TRIG_IN
USB
Microcontroller
Analog Output
2 Channels (12-bit)
2
Analog Input
8 Single-Ended Channels1
or
4 Differential Channels2
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11-bit on USB-1208FS-Plus, USB-1208FS-Pls-OEM
13-bit on USB-1408FS-Plus, USB-1408FS-Pls-OEM
2
12-bit on USB-1208FS-Plus, USB-1208FS-Pls-OEM
14-bit on USB-1408FS-Plus, USB-1408FS-Pls-OEM
Clock source (all devices except USB-1208LS, software-selectable)
Internal
External (SYNC), Rising Edge Triggered
Resolution
USB‑1208LS/1208FS/1208FS-Plus
DIFF: 12 bits, no missing codes
SE: 11 bits (the AD7870 converter only returns 11-bits (0–2047 codes) in
SE mode)
USB‑1408FS/1408FS-Plus
DIFF: 14 bits, no missing codes
SE: 13 bits (the AD7871 converter only returns 13-bits (0–8192 codes) in
SE mode)
CAL accuracy
USB‑1208LS: CAL = 2.5 V, ±0.05% typ, ±0.25% max
USB‑1208FS: CAL = 2.5 V, ±36.25 mV max
Integral linearity error
USB‑1208LS/1208FS/1208FS-Plus: ±1 least significant bit (LSB) typ
USB‑1408FS/1408FS-Plus: ±2 LSB typ
Differential linearity error: ±0.5 LSB typ
Repeatability: ±1 LSB typ
CAL current (USB‑1208LS/1208FS Only)
Source: 5 mA max
Sink
USB‑1208LS: 20 µA min, 200 nA typ
USB‑1208FS: 20 µA min, 100 µA typ
Absolute accuracy long term drift (USB‑1408FS/1408FS-Plus only)
Extrapolating the long term drift accuracy specifications provides the approximate long term drift of the USB‑1408FS intermediate input ranges.
±20 V range: ±3 LSB typ (Δt = 1000 hrs)
±4 V range: ±6 LSB typ (Δt = 1000 hrs)
±1 V range: ±8 LSB typ (Δt = 1000 hrs)
2.5VREF accuracy (USB‑1408FS Only)
±36.25 mV max
2.5VREF output current (USB‑1408FS/1408FS-Plus only)
Source: 5 mA max
Sink: 20 µA min, 100 µA typ
Trigger source (software-selectable)
External digital: TRIG_IN
Measurement Computing
8
Signal I/O Connectors
Signal I/O Connectors
8
Analog Input Accuracy
USB-1208LS/1208FS/
1208FS-Plus/USB-1208FS-Plus-OEM
Range
Accuracy (LSB)
Differential Mode
±20 V
5.1
±10 V
6.1
±5 V
8.1
±4 V
9.1
±2.5 V
12.1
±2 V
14.1
±1.25 V
20.1
±1 V
24.1
Single-Ended Mode
±10 V
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USB-1208FS/LS/1408FS Series
Specifications
Analog Input Accuracy
USB-1408FS/1408FS-Plus/USB-1408FS-Plus-OEM
Range
Absolute Accuracy
25°C
Noise Performance
USB-1408FS/1408FS-Plus/USB-1408FS-Plus-OEM
Absolute Accuracy
0 to 50°C
Range
Differential Mode
Typical Counts
Least Significant BitRoot Mean Square (LSBRMS)
Differential Mode
±20 V
±10.98 mV
±49.08 mV
±20 V
8
1.21
±10 V
±7.32 mV
±33.42 mV
±10 V
8
1.21
±5 V
±3.66 mV
±20.76 mV
±5 V
9
1.36
±4 V
±2.92 mV
±19.02 mV
±4 V
10
1.51
±2.5 V
±1.83 mV
±14.97 mV
±2.5 V
12
1.81
±2 V
±1.70 mV
±14.29 mV
±2 V
14
2.12
±1.25 V
±1.21 mV
±12.18 mV
±1.25 V
18
2.72
±1 V
±1.09 mV
±11.63 mV
±1 V
22
3.33
±10.98 mV
±49.08 mV
8.0
1.21
Single-Ended Mode
Single-Ended Mode
±10 V
±10 V
Noise Performance
USB-1208FS/1208FS-Plus/USB-1208FS-Plus-OEM
Range
Typical Counts
Least Significant BitRoot Mean Square (LSBRMS)
2
0.30
Analog Output
Resolution
USB‑1208LS: 10 bits, 1 in 1024
USB-1208FS/1208FS-Plus/1408FS/1408FS-Plus: 12 bits, 1 in 4096
Output range
USB-1208LS/1208FS-Plus/1408FS-Plus: 0 V to 5 V
USB‑1208FS/1408FS: 0 V to 4.096 V, 1 mV per LSB.
Number of channels: 2
Throughput
Maximum throughput scanning to computer memory depends on the
computer being used.
USB‑1208LS
Software paced
Single channel: 100 S/s
Dual channel, simultaneous update: 50 S/s
USB-1208FS/1208FS-Plus/1408FS/1408FS-Plus
Software paced: 250 S/s single channel typ, system‑dependent
Hardware paced
USB‑1208FS/1408FS
Single channel: 10 kS/s
Dual channel: 5 kS/s
USB‑1208FS-Plus/1408FS-Plus: 50 kS/s max per channel
Power On and reset voltage
USB‑1208LS/1208FS/1208FS-Plus: Initializes to 000h code
USB‑1408FS/1408FS-Plus: 0 V, ±20 mV typ, initializes to 000h code
Maximum voltage (USB-1208LS only)
Vs is the USB +5 V power. The maximum analog output voltage is equal to Vs
at no load. V is system-dependent and may be less than 5 V.
No load: Vs
1 mA load: 0.99 * Vs
5 mA load: 0.98 * Vs
Output drive (each D/A out)
USB-1208LS: 30 mA
USB-1208FS and USB-1408FS 15 mA
USB-1208FS-Plus and USB-1408FS-Plus: 5 mA, sourcing
Slew Rate
USB-1208LS: 0.14 V/ms typ
USB-1208FS/1208FS-Plus/1408FS/1408FS-Plus: 0.8 V/µs typ
Accuracy (All Values are ±) (All Devices Except USB-1208LS)
USB‑1208FS/1408FS
0 V to 4.096 V: 4.0 LSB typ, 45.0 LSB max
USB‑1208FS-Plus/1408FS-Plus
0 V to 5 V: 4.0 LSB typ, 45.0 LSB max (accuracy tested at no load)
Differential Mode
±20 V
±10 V
2
0.30
±5 V
3
0.45
±4 V
3
0.45
±2.5 V
4
0.61
±2 V
5
0.76
±1.25 V
7
1.06
±1 V
8
1.21
2
0.30
Single-Ended Mode
±10 V
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USB-1208FS/LS/1408FS Series
Specifications
Analog output accuracy components (all Values
are ±) (all devices except USB-1208LS)
USB‑1208FS/1408FS
Range: 0 V to 4.096 V
USB‑1208FS-Plus/1408FS-Plus
Range: 0 V to 5 V
% of FSR: 0.1 typ, 0.9 max
Gain error at full scale: 4.0 mV typ, 36.0 mV
max
Offset:* 1.0 mV typ, 9.0 mV max
Accuracy at FS: 4.0 mV typ, 45.0 mV max
Digital I/O
Digital type
USB‑1208LS: 82C55
All other devices: CMOS
Number of I/O: 16 (Port A0 through A7, Port B0
through B7)
Configuration
2 banks of 8
USB‑1208FS-Plus/1408FS-Plus: Port B is highcurrent drive
Pull-up/down configuration: All pins pulled up to
5 V through 47 kΩ resistors (default).
All Devices Except USB-1208LS: Change to pulldown using internal user-configurable jumpers.†
USB‑1208LS: Positions available for pull-down to
ground. Hardware-selectable through 0 Ω resistors
as a factory option.
Input high voltage: 2.0 V min, 5.5 V absolute max
Input low voltage: 0.8 V max, –0.5 V absolute min,
0 V recommended min
USB-1208LS
Output high voltage (IOH = –2.5 mA): 3.0 V
min
Output low voltage (IOL = 2.5 mA): 0.4 V max
USB‑1208FS/1408FS
Output high voltage (IOH = –6.0 mA): 3.84 V
min
Output low voltage (IOL = 6.0 mA): 0.33 V max
USB‑1208FS-Plus/1408FS-Plus
Output high voltage, port A: 4.4 V min (IOH =
–20 µA),
3.84 V min (IOH = –6.0 mA)
Output low voltage, port A: 0.1 V max (IOL = 20
µA),
0.33 V max (IOL = 6.0 mA)
Output high voltage, port B: 4.4 V min (IOH =
–50 µA),
3.76 V min (IOH = –24.0 mA)
Output low voltage, port B: 0.1 V max (IOH =
50 µA),
0.44 V max (IOH = 24.0 mA)
Power on and reset state: Input
* USB-1208FS-Plus/1408FS/1408FS-Plus: Zeroscale offsets may result in a fixed zero-scale error
producing a dead-band digital input code region.
In this case, changes in digital input code of less
than 0x040 may not produce a corresponding
change in the output voltage. The offset error is
tested and specified at code 0x040.
USB-1208FS: Negative offsets result in a fixed
zero-scale error or dead-band. At the maximum
offset of –9 mV, any input code of less than
0x009 does not produce a response in the output.
† USB‑1208FS hardware revisions D and later, and
USB-1408FS hardware with part number 193331x
(where x is the revision letter) can be changed
to pull-down using an internal jumper. Other
revisions/part numbers can be configured at the
factory for pull-down.
Measurement Computing
External Trigger
Counter
Trigger source: External digital, TRIG_IN
USB-1208LS: Schmitt trigger input protected
with a 1.5 kΩ series resistor)
Trigger Mode
USB‑1208LS: Level sensitive; software-selectable
for TTL level high or low input
USB-1208FS/1408FS: Edge sensitive; softwareselectable for CMOS compatible rising or falling
edge
All other devices: Edge or level sensitive;
software-selectable for CMOS compatible rising or
falling edge, high or low level.
Trigger latency
USB‑1208LS: BURSTIO, 25 µs min, 50 µs max
All other devices: 10 µs max
Trigger pulse width
USB‑1208LS: BURSTIO, 40 µs min
All other devices: 1 µs min
USB-1208LS
Input high voltage: 3.0 V min, 15.0 V absolute
max
Input low voltage: 0.8 V max
Input leakage current: ±1.0 µA
All other devices
Input type: Schmitt trigger, 47 kΩ pull-down to
ground
Schmitt trigger hysteresis: 1.01 V typ, 0.6 V
min, 1.5 V max
Input high voltage threshold: 2.43 V typ, 1.9 V
min, 3.1 V max
Input high voltage limit: 5.5 V absolute max
Input low voltage threshold: 1.42 V typ, 1.0 V
min, 2.0 V max
Input low voltage limit: –0.5 V absolute min, 0
V recommended min
Pin name: CTR
Counter type: Event counter
Number of channels: 1
Input type
USB-1208LS: TTL, rising edge triggered
USB-1208FS/1408FS: Schmitt trigger, 47 kΩ
pull-down to ground
Input Source: CTR screw terminal
Resolution: 32 bits
Maximum input frequency: 1 MHz
High pulse width: 500 ns min
Low pulse width: 500 ns min
USB-1208LS
Schmidt trigger hysteresis 20 mV to 100 mV
Input leakage current: ±1 µA
Input high voltage: 4.0 V min, 5.5 V absolute
max
Input low voltage: 1.0 V max, –0.5 V absolute
min
All other devices
Schmidt trigger hysteresis: 1.01 V typ, 0.6 V
min, 1.5 V max
Input high voltage threshold: 2.43 V typ, 1.9
V min, 3.1 V max
Input high voltage limit: 5.5 V absolute max
Input Low voltage threshold: 1.42 V typ, 1.0
V min, 2.0 V max
Input low voltage limit: –0.5 V absolute min,
0 V recommended min
External Clock Input/Output (All Devices
Except USB‑1208LS)
Pin name: SYNC
Pin type: Bidirectional
Direction (software-selectable)
Input (default): Receives A/D clock from external
source. Active on rising edge.
Output: Outputs internal A/D clock. Active on
rising edge.
Input clock rate
USB-1208FS/1208FS-Plus: 50 kHz, max
USB-1408FS/1408FS-Plus: 48 kHz, max
Clock pulse width
Input mode: 1 µs min
Output mode: 5 µs min
Input type: Schmitt trigger, 47 kΩ pull-down to
ground
Schmitt trigger hysteresis: 1.01 V typ, 0.6 V min,
1.5 V max
Input high voltage threshold: 2.43 V typ, 1.9 V
min, 3.1 V max
Input high voltage limit: 5.5 V absolute max
Input low voltage threshold: 1.42 V typ, 1.0 V
min, 2.0 V max
Input low voltage limit: –0.5 V absolute min, 0 V
recommended min
Output high voltage: 4.4 V min (IOH = –50 µA),
3.80 V min (IOH = –8 mA)
Output low voltage: 0.1 V max (IOL = 50 µA), 0.44
V max (IOL = 8 mA)
(508) 946-5100
7
Non-Volatile Memory
USB‑1208LS
Memory size: 8192 bytes
Memory configuration
Address 0x0000 to 0x17FF: Read/write
access, A/D data (4 kS)
Address 0x1800 to 0x1EFF: Read/write
access, user data area
Address 0x1F00 to 0x1FEF: Read/write
access, calibration data
Address 0x1FF0 to 0x1FFF: Read/write
access, system data
USB‑1208FS/1408FS
EEPROM: 1,024 bytes
EEPROM configuration
USB-1208FS
Address 0x000 to 0x07F: Reserved access,
128 bytes system data
Address 0x080 to 0x1FF: Read/write
access, 384 bytes calibration data
Address 0x200 to 0x3FF: Read/write
access, 512 bytes user area
USB‑1408FS
Address 0x000 to 0x1FF: Read/write,
access 512 bytes user area
Address 0x200 to 0x3FF: Read/write
access, 512 bytes calibration data
USB‑1208FS-Plus/1408FS-Plus
EEPROM: 2,048 bytes (768 bytes calibration,
256 bytes user,1,024 bytes system data)
[email protected]
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
mccdaq.com
USB-1208FS/LS/1408FS Series
Ordering
Ordering Information
Power‡
USB‑1208LS
Supply current: 20 mA (total current requirement; includes up to 5 mA for
the status LED)
5 V USB power available
Connected to self-powered hub: 4.5 V min, 5.25 V max
Connected to bus-powered hub: 4.1 V min, 5.25 V max
Output current (total amount of current that can be sourced from the USB 5 V,
analog outputs and digital outputs)
Connected to self-powered hub: 450 ma min, 500 ma max
Connected to bus-powered hub: 50 mA min, 100 mA max
USB‑1208FS/1408FS
Supply current: 80 mA (total current requirement; includes up to 10 mA for
the status LED)
5 V USB power available
Connected to self-powered hub: 4.5 V min, 5.25 V max
Connected to bus-powered hub: 4.1 V min, 5.25 V max
Output Current (total amount of current that can be sourced from the USB 5 V,
analog outputs and digital outputs)
Connected to self-powered hub or externally powered
Root port hub: 420 mA max
Connected to bus-powered hub: 20 mA max
USB‑1208FS-Plus/1408FS-Plus
Supply Current
During USB enumeration: < 100 mA
After USB enumeration, including DIO, AO, SYNC, and
+VO output loading: < 500 mA
+VO power available after USB enumeration: 4.5 V min, 5.25 V max
+VO output current after USB enumeration: 100 mA max
Part No.
Description
USB‑1208LS
USB-based data acquisition device with eight 12-bit
analog inputs, 1.2 kS/s, two analog outputs, and
16 digital I/O. Includes USB cable and MCC DAQ
software CD.
USB‑1208FS
USB-based data acquisition device with 8 analog
inputs, up to 12-bit resolution, 50 kS/s, two analog
outputs, and 16 digital I/O. Includes USB cable and
MCC DAQ software CD.
USB-1208FS-Plus
USB-based multifunction DAQ device with 8 SE/
4 DIFF analog inputs, up to 12-bit resolution, 50
kS/s, 2 analog outputs, and 16 digital I/O (includes
eight high-current lines). Includes USB cable and
MCC DAQ software CD.
USB-1208FS-Plus-OEM
Board-only USB-based DAQ device with eight
analog inputs, 50 kS/s, up to 12-bit resolution,
50 kS/s, two analog outputs, 16 digital I/O lines
(includes eight high-current lines).
USB‑1408FS
USB-based DAQ device with 8 analog inputs, up to
14-bit resolution, 48 kS/s, 2 analog outputs, and
16 digital I/O. Includes USB cable and MCC DAQ
software CD.
USB‑1408FS-Plus
USB-based multifunction DAQ device with 8 SE/
4 DIFF analog inputs, up to 14-bit resolution, 48
kS/s, 2 analog outputs, and 16 digital I/O (includes
eight high-current lines). Includes USB cable and
MCC DAQ software CD.
USB-1408FS-Plus-OEM
Board-only USB-based multifunction DAQ board
with 8 SE/4 DIFF analog inputs, up to 14-bit
resolution, 48 kS/s, 2 analog outputs, and 16 digital
I/O (includes eight high-current lines).
Software also Available from MCC
DAQami
Easy-to-use advanced data logging software to
acquire, view, and log data
TracerDAQ Pro
Out-of-the-box virtual instrument suite with strip
chart, oscilloscope, function generator, and rate
generator – professional version
DASYLab
Icon-based data acquisition, graphics, control, and
analysis software
‡ Self-powered USB hubs and hosts have their own power supply. The USB
port(s) on your computer are root port hubs. All externally powered root port
hubs (desktop computers) provide up to 500 mA of current for a USB device.
Battery-powered root port hubs provide 100 mA or 500 mA, depending upon
the manufacturer. A laptop PC that is not connected to an external power
adapter is an example of a battery-powered root port hub.
Bus-powered USB hubs and hosts do not have their own power supply.
Measurement Computing
(508) 946-5100
USB-1208LS-FS-Plus_1408FS-Plus-data.indd
Artisan Technology
8
[email protected]
Group - Quality Instrumentation ... Guaranteed | (888)
mccdaq.com
Document Revision 6, June, 2015
© Copyright
2015, Measurement Computing Corporation
88-SOURCE
| www.artisantg.com
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