RF65393.3V
to
4.0V,915MHz
Trans-
mit/Receive
Module
RF6539
3.3V TO 4.0V,915MHz Transmit/Receive
Module
Package: LGA, 28-Pin, 5.5mm x 5.0mm
GND
GND
GND
GND
VREG
24
28
27
26
25
23
22
21
GND
VCC
1
GND
GND
GND
GND
TX
GND
RX
GND
Features
GND
GND
GND
ANT2
GND
ANT1
GND
2
3
4
5
6
Tx Output Power: 22dBm
Separate 50 Tx/Rx Transceiver
Interface
Rx Insertion Loss: 1dB
Antenna Diversity Switch
20
19
18
17
7
16
Applications
8
9
10
11
12
13
14
15
Wireless Automated Metering
Wireless Alarm Systems
Portable Battery Powered
Equipment
Smart Energy
868MHz/900MHz ISM Band
Application
Single Chip RF Front End Module
GND
GND
ANT_SEL
Functional Block Diagram
Product Description
This module is intended for 915MHz AMR solutions. It provides separate ports for
Rx and Tx paths and two ports on the output for connecting a diversity solution or a
test port. The PA section provides a nominal output power of 22dBm. The device is
provided in a 5.5mm x 5.0mm, 28-pin package.
Ordering Information
RF6539
RF6539SR
RF6539TR7
RF6539PCBK-410
Standard 25 piece bag
Standard 100 piece reel
Standard 2500 piece reel
Fully Assembled Evaluation Board and 5 loose sample pieces
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-
mark 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.
DS130110
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or customerservice@rfmd.com.
TXRX_SEL
VCC
GND
1 of 9
RF6539
Absolute Maximum Ratings
Parameter
Battery Voltage
RF Port Impedance
Operating Temperature
Storage Temperature
ESD, HBM (RF pins)
ESD, HBM (All pins)
ESD, CDN (RF pins)
ESD, CDM (all pins)
MSL
Maximum Input Power to PA
Rating
5
50
-30 to 70
-40 to 85
500
500
500
500
MSL 3
+10
Unit
V
°C
°C
V
V
V
V
dBm
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 perfor-
mance or functional operation of the device under Absolute Maximum Rating condi-
tions 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 appli-
cation circuitry and specifications at any time without prior notice.
RoHS (Restriction of Hazardous Substances): Compliant per EU Directive
2002/95/EC.
Parameter
Power Amplifier
Frequency Range
CW Output Power
Small Signal Gain
Thermal Resistance
Output Harmonic Levels
2nd
3rd through 10th
Input Return Loss
Power Supply Voltage
V
CC
V
REG
Current
Operating V
CC
Operating V
REG
Tx Idle Current
Min.
Specification
Typ.
Max.
Unit
Condition
V
CC
= 3.6V, TXRX_SEL = HIGH, ANT_SEL =
HIGH or LOW, V
REG
= 3.4V
868
21
39.5
-30
-63
10
3.3
3.1
902 to 928
22
16.5
MHz
dBm
dB
°C/W
dBc
dBc
dBc
3.6V V
CC
, 3.4V V
REG
, 21dBm P
OUT
, T
REF
= 85°C
Near Saturation
3.6
3.4
100
3
24
4
3.8
120
4
30
V
V
mA
mA
mA
V
CC
= 3.6V, V
REG
= 3.4V, ANT_SEL = TXRX_SEL
= 3.4V at P
OUT
= 0dBm
V
REG
= V
CC
- 0.2V
V
CC
= 3.6V, P
OUT
= 22dBm
2 of 9
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or customerservice@rfmd.com.
DS130110
RF6539
Parameter
Rx Path
Frequency Range
Insertion Loss
Input IP3
Input Return Loss
Output Return Loss
Current
ANT1
Power Down Mode, ANT2
50
1.7
20
3.1
0
85
3.4
3.8
0.2
120
A
A
dB
V
V
A
ANT_SEL = HIGH, V
REG
= Low, TXRX_Sel = Low
ANT_SEL = LOW, V
REG
= Low, TXRX_Sel = Low
Any used port to any unused port
All Logic I/O’s, VCC - 0.2V
All Logic I/O’s
All Logic I/O’s
12
10
10
868
902 to 928
1
18
1.3
MHz
dB
dBm
dB
dB
Min.
Specification
Typ.
Max.
Unit
Condition
V
CC
= 3.6V, TXRX_SEL = LOW, ANT_SEL = HIGH
or LOW, V
REG
= LOW
Antenna Switch and Logic
Isolation
Logic Voltage High
Logic Voltage Low
Logic Current, High
Operating Mode
Tx - ANT1
Tx - ANT2
Rx - ANT1
Rx - ANT2
Module Logic Truth Table
ANT_SEL
TxRx_SEL
HIGH
LOW
HIGH
LOW
HIGH
HIGH
LOW
LOW
NOTE:
*Switch Control Logic High = Min 3.1V to Max 3.8V
*Switch Control Logic Low = Min 0.0V to Max 0.2V
DS130110
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or customerservice@rfmd.com.
3 of 9
RF6539
Pin Names and Description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
Name
GND
GND
GND
GND
ANT2
GND
ANT1
GND
ANT_SEL
VCC
TXRX_SEL
GND
GND
GND
GND
RX
GND
TX
GND
GND
GND
GND
VCC
VREG
GND
GND
GND
GND
GND
Description
Ground
Ground
Ground
Ground
Antenna 2 Output/Input
Ground
Antenna 1 Output/Input
Ground
Antenna Selection Control Line
Diversity Switch Supply Voltage
Transmit or Receive Selection Control Lone
Ground
Ground
Ground
Ground
Receive Port
Ground
Transmit Port
Ground
Ground
Ground
Ground
Power Amplifier Supply Voltage
Power Amplifier Supply Voltage
Ground
Ground
Ground
Ground
Center Ground Flag
4 of 9
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or customerservice@rfmd.com.
DS130110
RF6539
Package Drawing
All units in
m.
DS130110
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or customerservice@rfmd.com.
5 of 9
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