RMFD RFFM4501
RFFM4501
3.0V TO 5.0V, 4.9GHz TO 5.85GHz
802.11a/n/ac FRONT END MODULE


Applications




IEEE802.11a/n/ac WiFi
Applications
4.9GHz to 5.85GHz ISM Band
Applications
Portable Battery-Powered
Equipment
WiFi Access Points, Gateways
and Set Top Boxes
ANT
VCC
3
10
VCC
4
9
N/C
2
GND
VDD
2fo
5
6
7
8
TX

11
RX
N/C

Integrated 4.9GHz to
5.85GHz Amplifier, SPDT
TX/RX Switch, LNA with
Bypass, and Power Detector
Coupler
POUT = 21dBm, 11a/n, 5V
2.5% Dynamic EVM
POUT = 17dBm, 11a/n, 3.3V
2.5% Dynamic EVM
POUT = 16dBm, 11ac HT80
MCS9, 3.3V, 1.8% Dynamic
EVM
POUT = 18dBm, 11ac HT80
MCS9 5.0V, 1.8% Dynamic
EVM
13
GND
1
PA_EN

14
12
GND
Pdet
Features
15
GND
16
C_RX
LNA_EN
Package: Laminate, 16-pin, 3.0mm x 3.0mm x 1.05mm
Functional Block Diagram
Product Description
The RFFM4501 provides a complete integrated solution in a single front
end module (FEM) for WiFi 802.11a/n/ac systems. The ultra-small form
factor and integrated matching minimizes the layout area in the customer's application and greatly reduces the number of external components. This simplifies the total front end solution by reducing the bill
of materials, system footprint, and manufacturability cost. The RFFM4501
integrates a power amplifier (PA), single pole double throw switch (SPDT),
LNA with bypass, and a power detector coupler for improved accuracy.
The device is provided in a 3mm x 3mm x 1.05mm, 16-pin laminate package. This module meets or exceeds the RF front end needs of IEEE
802.11a/n/ac WiFi RF systems.
Ordering Information
RFFM4501PCK-410
RFFM4501SB
RFFM4501SR
RFFM4501TR7
RFFM4501SQ
RFFM4501 Eval Board with 5-piece bag
5-Piece bag
100-Piece reel
2500-Piece reel
25-Piece bag
Optimum Technology Matching® Applied
GaAs HBT
GaAs MESFET
InGaP HBT

SiGe BiCMOS
Si BiCMOS
SiGe HBT
GaAs pHEMT
Si CMOS
Si BJT
GaN HEMT
BiFET HBT
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trademark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2012, RF Micro Devices, Inc.
DS130510
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support, contact RFMD at (+1) 336-678-5570 or [email protected]
1 of 11
RFFM4501
Absolute Maximum Ratings
Parameter
DC Supply Voltage (No RF)
DC Supply Voltage (With RF On)
Rating
Unit
5.5
VDC
5
VDC
Maximum Tx Input Power
(No Damage)
+10
dBm
Maximum Rx Input Power for
Bypass and Rx Gain Modes
(No Damage)
+10
dBm
Operating Ambient Temperature
-10 to +70
°C
-40 to -10
°C
-40 to +150
°C
Extended Temperature Range
Storage Temperature
Moisture Sensitivity
Caution! ESD sensitive device.
Exceeding any one or a combination of the Absolute Maximum Rating conditions may
cause permanent damage to the device. Extended application of Absolute Maximum
Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Absolute Maximum Rating conditions is not implied.
The information in this publication is believed to be accurate and reliable. However, no
responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any
infringement of patents, or other rights of third parties, resulting from its use. No
license is granted by implication or otherwise under any patent or patent rights of
RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice.
RFMD Green: RoHS compliant per EU Directive 2011/65/EU, halogen free
per IEC 61249-2-21, < 1000ppm each of antimony trioxide in polymeric
materials and red phosphorus as a flame retardant, and <2% antimony in
solder.
MSL3
Specification
Min.
Typ.
Max.
Parameter
Unit
Condition
Temperature = -10°C to +70°C, VCC = 3.3V,
PA_EN = high, POUT = 17dBm using a
IEEE802.11n MCS7 waveform unless otherwise
noted.
Typical Conditions 3.3V
Tx Performance - 11a/n/ac
Compliance with standard 802.11a/n/ac
Frequency
5150
802.11n Output Power
16.5
11n Dynamic EVM
802.11ac Output Power
15
5850
17
dBm
2.5
3
-32
-30.5
16
11ac Dynamic EVM
MHz
802.11n HT20 and HT40 MCS7
%
dB
dBm
1.8
%
-35
dB
802.11ac HT40 and HT80 MCS9
Tx Performance - Spectral Mask
802.11n/ac Output Power
Frequency
802.11n Output Power
19
4900
16
dBm
5150
17
Meet IEEE802.11n (HT40, HT20 MCS7, and HT80
MCS9) spectral masks
MHz
dBm
802.11n HT20 and HT40 MCS7
11n EVM
2.5
3
%
-32
-30.5
Second Harmonic
-45
-41
Third Harmonic
-50
-43
24
26
30
dB
5.15GHz to 5.35GHz
26
28
31
dB
5.35GHz to 5.825GHz
2
dB
0.35
0.375
0.4
V
RF = off
0.70
0.75
0.8
V
POUT = 17dBm
1.5
dB
Into 3:1 VSWR load, T = 25°C
dB
dBm/MHz 4.9GHz to 5.825GHz, POUT = 18dBm, 6Mbps
dBm/MHz 802.11a
General Tx Performance
Gain
Gain variation over Temp
Power Detect Voltage
Power Detect Accuracy
2 of 11
-2
-1.5
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support, contact RFMD at (+1) 336-678-5570 or [email protected]
DS130510
RFFM4501
Specification
Min.
Typ.
Max.
Parameter
Unit
Condition
General Tx Performance (continued)
Input Return Loss - TX_IN pin
-15
-7
dB
Output Return Loss at ANT pin
-15
-10
dB
225
250
Operating Current
220
Quiescent Current
175
In specified frequency band
mA
POUT = 17dBm
mA
POUT = 16dBm
190
mA
Nominal Conditions. No RF applied
10
μA
VCC = 3.3V, LNA_EN = low, C_RX = low,
PA_EN = low, temperature = 25°C
VCC
V
0.2
V
Turn-on time from PA_EN edge
500
ns
Turn-off time from PA_EN edge
500
ns
24
dBm
Leakage Current
VCONTROL High (PA_EN, C_RX, and LNA_EN) for
both TX and RX modes
2.8
VCONTROL Low (PA_EN, C_RX, and LNA_EN) for
both TX and RX modes
0
Stability
-25
CW P1dB
24
2.9
25
dBm
Output stable to within 90% of final gain
No spurs above -47dBm into 4:1 VSWR
Tx mode in 50% Duty Cycle
Temperature = -10°C to +70°C, VDD = 3.3V,
C_RX = high, LNA_EN = high
Rx Performance
Gain
11
12.5
13
dB
Gain Over Operating Temperature Range
9
12.5
14
dBm
Temperature = -10°C to +70°C
Gain - Extended
8
12.5
16
dB
Temperature = -40°C to +85°C
2.5
3.5
dB
In specified frequency band
-7
dB
NF
Rx Port Return Loss
ANT Port Return Loss
-10
Input IP3
-3
0
Input P1dB
-13
-10
-5
dB
dBm
dBm
IDD
13
17
mA
LNA_EN Control Current
30
50
μA
Temperature = -10°C to +70°C, VDD = 3.3V,
C_RX = high, LNA_EN = low
Rx Bypass Mode
Insertion Loss
Temperature = 25°C
-10
-8
Rx Port Return Loss
-6
-7
ANT Port Return Loss
dB
dB
-6
dB
Input IP3
15
20
dBm
Input P1dB
5
10
dBm
Isolation
ANT-TX; Rx Mode
20
dB
C_RX = High, PA_EN = Low
ANT-RX; Tx Mode
25
dB
PA_EN = High, C_RX = Low, LNA_EN = Low
DS130510
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support, contact RFMD at (+1) 336-678-5570 or [email protected]
3 of 11
RFFM4501
Specification
Min.
Typ.
Max.
Parameter
Unit
Condition
Temperature = -10°C to +70°C, VCC= 5.0V,
PA_EN=2.9V, POUT=20dBm, using an
IEEE802.11n MCS7 waveform unless otherwise
noted.
Typical Conditions 5.0V
Tx Performance - 11a/n/ac
Compliance with standard 802.11a/n/ac
Frequency
5150
802.11n Output Power
20
11n Dynamic EVM
5850
21
dBm
2.5
3
-32
-30.5
802.11n Output Power - Extended
19
11n Dynamic EVM - Extended
2.5
3
-32
-30.5
802.11ac Output Power
-35
802.11n Output Power
20
Frequency
21
4900
dB
dB
802.11ac HT40 and HT80 MCS9
%
dB
dBm
5150
Temperature = -40°C to +85°C
%
dBm
1.8
802.11n HT20 and HT40 MCS7
%
dBm
17
11ac Dynamic EVM
MHz
Meet IEEE HT40 MCS7 Spectral Mask
MHz
802.11n Output Power
20
11n Dynamic EVM
2.5
3
dBm
802.11n HT20 and HT40 MCS7
-32
-30.5
Second Harmonic
-45
-43
Third Harmonic
-45
-41
23
26
30
dB
5.15GHz to 5.35GHz
26
28
31
dB
5.35GHz to 5.825GHz
2
dB
0.35
0.375
0.4
V
RF = off
0.8
0.90
0.95
V
POUT = 20dBm
1.5
dB
At rated power; over voltage and process up to 3:1
VSWR
In specified frequency band
%
dB
dBm/MHz 4.9GHz to 5.85GHz, POUT = 20dBm, 6Mbps
dBm/MHz 802.11a
General TX Performance
Gain
Gain variation over Temp
-2
Power Detect Voltage
Power Detect Accuracy
-1.5
Input Return Loss - TX_IN pin
-8
-6
dB
Output Return Loss at ANT pin
-15
-10
dB
Operating Current
290
320
mA
At rated 11n POUT
Quiescent Current
200
220
mA
Nominal Conditions, No RF applied
25
μA
VCC = 5V, PA_EN = low, C_RX = low, LNA_EN = low
Leakage Current
5
Power Supply - VCC
VCONTROL High (PA_EN, C_RX, LNA_EN) for
both TX and RX modes
VCC
V
0.2
V
Turn-on time from PA_EN edge
500
ns
Turn-off time from PA_EN edge
500
ns
24
dBm
VCONTROL Low (PA_EN, C_RX, LNA_EN)
for both TX and RX modes
Stability
2.8
2.9
V
0
-25
CW P1dB
28
dBm
Output stable to within 90% of final gain
No spurs above -47dBm into 4:1 VSWR
Tx mode in 50% Duty Cycle
Temperature = -10°C to +70°C, VDD = 5.0V,
C_RX = high, LNA_EN = high
Rx Performance
Gain
11
12.5
13
dB
Gain - Extended
8
12.5
16
dB
4 of 11
For best performance at VCC = 5.0V, PA_EN
should be set to 2.9V
Temperature = -40°C to +85°C
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
DS130510
RFFM4501
Specification
Min.
Typ.
Max.
Parameter
Unit
Temperature = -10°C to +70°C, VDD = 5.0V,
C_RX = high, LNA_EN = high
Rx Performance (continued)
NF
2.5
3.5
dB
Rx Port Return Loss
-15
-7
dB
-10
-5
ANT Port Return Loss
Input IP3
-3
0
Input P1dB
-13
-10
In specified frequency band
dB
dBm
dBm
IDD
13
17
mA
LNA_EN Control Current
30
50
μA
Temperature = -10°C to +70°C, VDD = 5.0V,
C_RX = high, LNA_EN = low
Rx Bypass Mode
Insertion Loss
Condition
-8
-6
dB
Rx Port Return Loss
-10
-10
-8
dB
ANT Port Return Loss
-6
dB
Input IP3
15
20
dBm
Input P1dB
5
10
dBm
Isolation
ANT-TX; Rx Mode
20
dB
C_RX = High, PA_EN = Low
ANT-RX; Tx Mode
25
dB
PA_EN = High, C_RX = Low, LNA_EN = Low
DS130510
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
5 of 11
RFFM4501
Specification
Min.
Typ.
Max.
Parameter
Unit
Condition
Temperature = -10°C to +70°C, VDD= 5.0V,
PA_EN=3.0V, POUT=20dBm, using an
IEEE802.11n MCS7 waveform unless otherwise
noted.
Typical Conditions 5.0V
Tx Performance - 11a/n/ac
Compliance with standard 802.11a/n/ac
Frequency
5150
802.11n Output Power
20
5850
21
dBm
11n Dynamic EVM
2.5
3
-32
-30.5
802.11n Output Power - Extended
19.5
11n Dynamic EVM - Extended
2.5
3
-32
-30.5
802.11ac Output Power
-35
802.11n Output Power
20
Frequency
22
4900
dB
dB
802.11ac HT40 and HT80 MCS9
%
dB
dBm
5150
Temperature = -40°C to +85°C
%
dBm
1.8
802.11n HT20 and HT40 MCS7
%
dBm
18
11ac Dynamic EVM
MHz
Meet IEEE HT40 MCS7 Spectral Mask
MHz
802.11n Output Power
21
11n Dynamic EVM
2.5
3
dBm
802.11n HT20 and HT40 MCS7
-32
-30.5
Second Harmonic
-45
-43
Third Harmonic
-45
-41
24
26
30
dB
5.15GHz to 5.35GHz
26
28
31
dB
5.35GHz to 5.825GHz
2
dB
0.35
0.375
0.4
V
RF = off
0.8
0.90
0.95
V
POUT = 20dBm
1.5
dB
At rated power; over voltage and process up to 3:1
VSWR
In specified frequency band
%
dB
dBm/MHz 4.9GHz to 5.85GHz, POUT = 20dBm, 6Mbps
dBm/MHz 802.11a
General TX Performance
Gain
Gain variation over Temp
-2
Power Detect Voltage
Power Detect Accuracy
-1.5
Input Return Loss - TX_IN pin
-15
-9
dB
Output Return Loss at ANT pin
-15
-10
dB
Operating Current
290
320
mA
At rated 11n POUT
Quiescent Current
200
220
mA
Nominal Conditions, No RF applied
25
μA
VCC = 5V, PA_EN = low, C_RX = low, LNA_EN = low
Leakage Current
5
Power Supply - VCC
VCONTROL High (PA_EN, C_RX, LNA_EN) for
both TX and RX modes
VCC
V
0.2
V
Turn-on time from PA_EN edge
500
ns
Turn-off time from PA_EN edge
500
ns
24
dBm
VCONTROL Low (PA_EN, C_RX, LNA_EN)
for both TX and RX modes
Stability
2.8
3.3
V
0
-25
CW P1dB
28
dBm
Output stable to within 90% of final gain
No spurs above -47dBm into 4:1 VSWR
Tx mode in 50% Duty Cycle
Temperature = -10°C to +70°C, VDD = 5.0V,
C_RX = high, LNA_EN = high
Rx Performance
Gain
11
12.5
13
dB
Gain - Extended
8
12.5
16
dB
6 of 11
For best performance at VCC = 5.0V, PA_EN
should be set to 5.0V
Temperature = -40°C to +85°C
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
DS130510
RFFM4501
Specification
Min.
Typ.
Max.
Parameter
Unit
Condition
Temperature = -10°C to +70°C, VDD = 5.0V,
C_RX = high, LNA_EN = high
Rx Performance (continued)
NF
2.5
3.5
dB
Rx Port Return Loss
-15
-7
dB
-10
-5
ANT Port Return Loss
Input IP3
-3
0
Input P1dB
-13
-10
In specified frequency band
dB
dBm
dBm
IDD
13
17
mA
LNA_EN Control Current
30
50
μA
Temperature = -10°C to +70°C, VDD = 5.0V,
C_RX = high, LNA_EN = low
Rx Bypass Mode
Insertion Loss
-8
-6
dB
Rx Port Return Loss
-10
-10
-8
dB
ANT Port Return Loss
-6
dB
Input IP3
15
20
dBm
Input P1dB
5
10
dBm
Isolation
ANT-TX; Rx Mode
20
dB
C_RX = High, PA_EN = Low
ANT-RX; Tx Mode
25
dB
PA_EN = High, C_RX = Low, LNA_EN = Low
General Performance
Control Current
C_RX Current
0.5
1
μA
PA_EN Current
30
50
μA
Switch Control Speed
100
ns
PA_EN Control Impedance
4.9
MΩ
LNA_EN Control Impedance
6.5
MΩ
C_RX Control Impedance
27
MΩ
ESD
Human Body Model
Charge Device Model
500
V
EIA/JESD22-114A RF pins
1000
V
EIA/JESD22-114A DC pins
1000
V
JESD22-C101C all pins
Thermal Resistance
46
RTH_I
Maximum Tj
˚C/W
150
˚C
VCC = 5.0V, Temperature= 85°C,
Duty cycle 100%, POUT = 21dBm
Maximum Input Power
12
dBm
Into 50Ω, VCC = 3.3V, 25°C
Maximum Input Power
12
dBm
6:1 VSWR, VCC = 3.3V, 25°C
Maximum Input Power
5
dBm
10:1 VSWR, VCC = 3.3V, 25°C
Logic Control Table
Mode
PA_EN
LNA_EN
Standby
Low
Low
C_RX
Low
802.11a/n TX
High
Low
Low
802.11a/n RX Gain
Low
High
High
802.11a/n RX Bypass
Low
Low
High
Note: High = 2.8V to VCC, Low = 0V to 0.2V
DS130510
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
7 of 11
RFFM4501
Pin Names and Descriptions
Pin
1
2
3
4
5
Name
GND
RX
GND
VDD
PDET
6
7
8
9
10
11
12
13
14
15
16
Pkg Base
PA_EN
NC
TX
NC
VCC
VCC
GND
ANT
GND
C_RX
LNA_EN
GND
8 of 11
Description
Ground connection.
RF output port for the 802.11a/n LNA. Input is matched to 50Ω and DC block is provided internally.
Ground connection.
Supply voltage for the LNA. See applications schematic for biasing and bypassing components.
Power detector voltage for Tx section. PDET voltage varies with output power. May need external capacitor
for noise decoupling.
Control voltage for the PA and Tx switch. See truth table for proper settings.
Not Connected. This Pin is not internally connected so customer has the choice to leave it NC or ground it.
RF input port for the 802.11a/n PA. Input is matched to 50Ω and DC block is provided internally.
Not Connected. This Pin is not internally connected so customer has the choice to leave it NC or ground it.
Supply voltage for the PA. See applications schematic for biasing and bypassing components.
Supply voltage for the PA. See applications schematic for biasing and bypassing components.
Ground connection.
RF bidirectional antenna port matched to 50Ω and is DC block is provided internally.
Ground connection.
Receive switch control pin. See switch truth table for proper level.
Control voltage for the LNA. When this pin is set to a LOW logic state, the bypass mode is enabled.
Ground connection.
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
DS130510
RFFM4501
Package Drawing
PCB Patterns
Notes:
1. Shaded area represents Pin 1 location.
2. Example of the number and size of vias can be found on the RFMD evaluation board layout.
DS130510
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
9 of 11
RFFM4501
16
10 of 11
15
14
ANT
GND
C_RX
LNA_EN
Pin Out
13
RX
2
11
VCC
GND
3
10
VCC
VDD
4
9
N/C
5
6
7
8
TX
GND
N/C
12
PA_EN
1
Pdet
GND
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
DS130510
RFFM4501
Evaluation Board Schematic
DS130510
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
11 of 11
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