RF6505 - Qorvo
RF6505
3.2V TO 4.2V, 2.4GHz FRONT END MODULE
18
17
ANT2_EN
19
ANT1_EN
LNA_EN
20
VCCLNA
RX_EN
Package Style: QFN, 20-Pin, 3.5mmx3.5mmx0.55mm
16
Features
15
ANT2
GND
2
14
GND
RFP
3
13
ANT1
VCC
4
12
GND
TX_EN
5
11
N/C




ZigBee® 802.15.4 Based
Systems for Remote
Monitoring and Control
WiFi 802.11b/g
2.4GHz ISM band
applications
Smart Meters for Energy
Management
7
PDET
6
8
9
10
VCC3
Applications
C/I

1
BALUN

RFN
VCC1/2

TX P1dB: 27dBm
Integrated RF Front End
Module, Balun, PA, Filter, Ant
Switch, LNA with Bypass,
TX/RX Switch
Single Differential
Bidirectional TX/RX Port.
Compatible with most
transceivers
GND

Functional Block Diagram
Product Description
The RF6505 integrates a complete solution in a single Front End Module (FEM) for
WiFi and ZigBee applications in the 2.4GHz to 2.5GHz band. This FEM integrates a
balun, TX/RX switch, power amplifier, harmonic filter, DP2T switch, and low noise
amplifier with bypass mode. It provides a single balanced TDD access for Rx and Tx
paths along with two ports on the output for connecting a diversity solution or a test
port. The device is provided in a 3.5mm x 3.5mm x 0.5mm, 20-pin QFN package.
Ordering Information
RF6505
RF6505SR
RF6505TR7
RF6505TR13
RF6505PCK-410
Standard 25 piece bag
Standard 100 piece reel
Standard 750 piece reel
Standard 2500 piece reel
Fully assembled evaluation board and 5 loose pieces
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
LDMOS
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. ©2006, RF Micro Devices, Inc.
DS140925
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
1 of 9
RF6505
Absolute Maximum Ratings
Parameter
Rating
Unit
5
V
Operating Case Temperature
-40 to +85
°C
Storage Temperature
DC Supply Voltage
-40 to +150
°C
ESD Human Body Model RF Pins
500
V
ESD Human Body Model All Other
Pins
500
V
500
V
ESD Charge Device Model All Pins
Moisture Sensitivity Level
MSL 2
Maximum Input Power to PA and
LNA (no damage)
Parameter
+5
Min.
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.
RoHS status based on EUDirective2002/95/EC (at time of this document revision).
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
dBm
Specification
Typ.
Max.
Unit
Condition
Specifications must be met across supply voltage, control voltage, and temperature ranges
unless otherwise noted. Typical conditions:
T=25°C, VCC =3.6V
Overall
Operating Frequency Range
2400
2483
3.2
3.6
TX_EN and RX_EN
2.9
3.0
V
1
uA
Leakage Current
4.2
MHz
Operating Voltage (VCC)
V
All control logics=Low, No RF Input
Transmit Parameters
Frequency
2400
Input Return Loss
2483
MHz
10
Amplitude Imbalance
-1
1
dB
Phase Imbalance
-10
10
deg
Output Return Loss
10
Gain
24
Gain Flatness
0.8
P1dB
28
dB
0.5
27
Spectral mask performance
dBm
-30
Supply current
At rated power
dB
VCC =3.6V, Temp=25°C. Using 802.15.4
OQPSK modulation signal
dBm
490
mA
PO =27dBm 802.15.4 OQPSK
380
mA
PO =24dBm 802.15.4 OQPSK
No RF Input
Idle current
110
mA
Thermal Resistance
42
°C/W
4V VCC, 4V VREG, 27dBm, POUT, TREF = 90°C
2nd harmonic level
-40
dBc
Measured using standard 802.15.4 OQPSK
modulation signal
3rd harmonic level
-30
dBc
Measured using standard 802.15.4 OQPSK
modulation signal
VSWR Stability and load mismatch
susceptibility
5:1
VSWR No damage
10:1
Gain settling time
Current sourced through TX_EN
pin
2 of 9
5
2
uS
10
mA
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
DS140925
RF6505
Parameter
Min.
Specification
Typ.
Max.
Unit
Condition
Receive Parameters
Frequency
2400
2483
MHz
Gain
10
Noise Figure
2.2
3
dB
From antenna to RX pin (entire RX path).
7
15
mA
LNA + Switches
Current
Input IP3
3
dB
7
From antenna to RX pin (entire RX path).
dBm
Gain flatness
-0.5
0.5
Input return loss
10
Output return loss
10
Amplitude imbalance
-1
1
dB
Phase imbalance
-10
10
deg
2483
MHz
7
dB
Entire RX path
μA
ANT1 and ANT2
12
dB
dB
dB
ByPass Mode
Frequency
2400
Insertion loss
5.5
Current
20
Input IP3
15
dBm
Gain Flatness
-0.5
0.5
Input return loss
10
Output return loss
10
Amplitude imbalance
-1
1
dB
Phase imbalance
-10
10
deg
12
dB
dB
dB
Antenna Switch
RF-to-Control Isolation
50
ANT1 to ANT2 Isolation
18
20
Switch Control Logic = HIGH
2.8
3.1
Switch Control Logic = LOW
0.0
Switch Control Current. Logic HIGH
5.0
Switch Control Current. Logic LOW
0.1
Antenna Select Switch Speed
DS140925
dB
Measured at any control pin while in TX or RX
mode.
dB
Measured from Antenna 1 to Antenna 2 port
while in TX or RX mode.
V
All Logic I/O’s
0.4
V
All Logic I/O’s
10.0
μA
All Logic I/O’s
1
μA
All Logic I/O’s
μS
ANT1 or ANT2 path, TX or RX mode
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
3 of 9
RF6505
Pin
1
2
3
4
5
6
7
8
Function
RFN
GND
RFP
VCC
TX_EN
PDET
GND
VCC1/2
9
C/I
10
VCC3
11
12
13
14
15
16
17
18
19
20
NC
GND
ANT1
GND
ANT2
ANT2_EN
ANT1_EN
VCCLNA
LNA_EN
RX_EN
4 of 9
Description
Differential RF input for PA (TX_Mode) and output for LNA (RX_Mode) internally matched to 100Ω.
Ground.
Differential RF input for PA (TX_Mode) and output for LNA (RX_Mode) internally matched to 100Ω.
Voltage supply for VCC Bias. An external 0.1uF capacitor might be needed for low frequency decoupling.
Enable voltage pin for the PA and switch. See logic table for operation.
Provides and output voltage proprtional to the output RF level.
Ground.
Voltage supply for the first and second stages of the PA. An external 1uF capacitor might be needed for low frequency decoupling.
This pin is connected internally (C/I) to Pin 8 therfore this pin should not be grounded. This pin should be left
open.
Voltage supply for the third stage of the PA. An external 1uF capacitor might be needed for low frequency decoupling
No connect.
Ground.
This is a common port (antenna). It is matched to 50Ω and DC block is provided internally.
Ground.
This is a common port (antenna). It is matched to 50Ω and DC block is provided internally.
Control pin for antenna select. See logic table for operation.
Control pin for antenna select. See logic table for operation.
Voltage supply. An external 1uF capacitor might be needed for low frequency decoupling.
LNA enable pin for selecting between High gain mode and Bypass mode.
Enable voltage pin for the Receive mode and switch. See logic table for operation.
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
DS140925
RF6505
Package Drawing
DS140925
Mode
TX_EN
RX_EN
LNA_EN
ANT1_EN
Tx, Antenna 1
High
Low
Low
High
ANT2_EN
Low
Tx, Antenna 2
High
Low
Low
Low
High
Rx, Antenna 1
Low
High
High
High
Low
Rx, Antenna 2
Low
High
High
Low
High
Rx, Antenna 1, LNA Bypass
Low
High
Low
High
Low
Rx, Antenna 2, LNA Bypass
Low
High
Low
Low
High
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
5 of 9
RF6505
Evaluation Board Schematic
C18
.01uF
VCCLNA
C17
DNP
GND
GND
LNAEN
L7
2.2nH
GND
RX_EN
C20
0.1uF
4 GND
GND
1
RFN
2
GND
3
RFP
4
VCC
C1
330pF
5
CTTX
C3
DNP
GND
GND
1
2
3
4
5
6
C2
DNP
1
2
3
4
5
6
16
17
TX_EN
GND
C5
1.0uF
GND
VCC3
VCC1/2
PDET
CTTX
GND
VCC
21
GND
VCC
GND
PDET
P2
CTRX
LNAEN
VCCLNA
ANT1EN
ANT2EN
GND
18
DF
C4
0.1uF
P1
19
20
5
ANT2EN
BAL
ANT1EN
GND
BAL
GND
GND
C15
1.0uF
U1
ANT2
GND
14
13
GND
12
N/C
GND
GND
2nH
1
GND
GND
GND
C10
1.5pF
J3
ANT2
GND
L3
1.5nH
1
L2
3.3nH
GND
C7
1.0uF
L6
1.5nH
C14
2.4pF
L1
DNP
11
L8
C13
1.5pF
GND
C9
0.8pF
GND
GND
L5
3.3nH
C12
0.8pF
15
ANT1
GND
L4
DNP
GND
RFFM6005
C-I
10 VCC3
GND/DC
6
VCCLNA
GND
NC
GND
9
2
2
GND 3
UNBAL
RX_EN
1
6 PDET
7
GND
8 VCC1/2
J1
RFN
ANT2EN
LNAEN
U2
1
C16
1.0uF
2
ANT1EN
C11
2.4pF
GND
J2
ANT1
2
C19
0.1uF
GND
GND
C8
5.1pF GND
C6
5.1pF
VCC1/2
VCC3
*Note: Pin 9 is connected internally (C/I) to Pin 8 therefore this pin should not be grounded. This pin should be left open.
6 of 9
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
DS140925
RF6505
Evaluation Board Schematic
with Murata Filter
C18
.01uF
VCCLNA
C17
DNP
GND
GND
LNAEN
L7
2.0nH
GND
GND
1
2
3
4
5
6
P2
CTRX
LNAEN
VCCLNA
ANT1EN
ANT2EN
GND
1
2
3
4
5
6
VCCPA3
VCCPA2
PDET
CTTX
GND
VCC
GND
3
C7
1.0uF
GND
2
GND
GND
OUT
GND
F1
L8
J3
ANT2
GND
4
1
J2
ANT1
2
2
NC
6
2
IN
1
3
GND
GND
NC
GND
11
U1
RFFM6005
GND
GND
1
12
8
DNP
NC
GND
7
N/C
GND
GND
GND
16
17
ANT1EN
ANT2EN
GND
4
5
1
GND
C5
1.0uF
C4
0.1uF
P1
19
TX_EN
PDET
GND
ANT1
GND
GND
13
NC
C2
DNP
DF
VCC
14
GND
C3
DNP
GND
RFP
21
OUT
15
GND
5
CTTX
GND
6
C1
330pF
GND
F2
ANT2
GND
IN
GND
7
4
VCC
GND
C9
1.0uF
VCC3
3
C-I
2
GND
RFN
9
1
18
20
4 GND
10
BAL
LNAEN
BAL
5
VCCLNA
GND
GND
8
VCC1/2
GND/DC
GND
6
GND
GND 3
NC
8
GND
UNBAL
RX_EN
2
U2
PDET
1
ANT2EN
7
1
2
J1
RFN
C10
1.0uF
5
ANT1EN
GND
RX_EN
C13
0.1uF
6
C12
0.1uF
GND
GND
GND
C6
5.1pF
GND
C8
5.1pF
VCC1/2
VCC3
DS140925
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
7 of 9
RF6505
RF6505 2.4GHz Front End Module
Input Power versus Output Power
(Over Temperature at 2440 MHz)
VCC = 4.0V; TX_EN= 3.0V
Input Power versus Output Power
VCC = 4.0V; TX_EN= 3.0V
10
30
5
20
2405 MHz
-10
2440 MHz
-15
2480 MHz
-20
Input Power (dBm)
Input Power (dBm)
0
-5
10
0
-40 C
-10
25 C
-20
-25
-30
-30
-40
85 C
-50
-35
0
2
4
6
8
10
12
14
16
18
20
22
24
26
0
28
2
4
6
8
10
14
16
18
20
22
24
26
28
Gain versus Output Power
(Over Temperature at 2440 MHz)
VCC =4.0V; TX_EN = 3.0V
Gain versus Output Power
VCC = 4.0V; TX_EN =3.0V
50
50
45
45
40
40
35
35
30
2405 MHz
25
2440 MHz
20
2480 MHz
Gain (dB)
Gain (dB)
12
Output Power (dBm)
Output Power (dBm)
30
25 C
20
15
15
10
10
5
5
0
-40 C
25
85 C
0
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
0
2
4
6
8
10
Output Power (dBm)
12
14
16
18
20
22
24
26
28
Output Power (dBm)
Operating Current versus Output Power
VCC = 4.0V; TX_EN = 3.0V
Operating Current versus Output Power
(Over Temperature at 2440 MHz)
VCC = 4.0V; TX_EN = 3.0V
0.7
0.7
0.6
0.5
2405 MHz
0.4
2440 MHz
0.3
2480 MHz
0.2
0.1
0.5
-40 C
0.4
25 C
0.3
85 C
0.2
0.1
0
0
0
2
4
6
8
10
12
14
16
18
Output Power (dBm)
8 of 9
Operating Current (mA)
Operating Current (mA)
0.6
20
22
24
26
28
0
2
4
6
8
10
12
14
16
18
20
22
24
26
28
Output Power (dBm)
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
DS140925
RF6505
TX S21 versus Frequency
(Over Temperature )
VCC = 4.0V; TX_EN = 3.0V
60
50
S21 (dB)
40
-40 C
30
25 C
85 C
20
10
0
2300
2405
2440
2480
Frequency (MHz)
DS140925
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or [email protected]
9 of 9
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