RFFM8550 Product Data Sheet

RFFM8550
4.9GHz to 5.85GHz 802.11a/n/ac WiFi
Switch + LNA Module
The RFFM8550 provides a complete integrated switch + LNA solution in
a single Front End Module (FEM) for WiFi 802.11a/n/ac systems. The
ultra-small form factor and integrated matching greatly reduces the
number of external components and layout area in the customer
applications. This simplifies the total front end solution by reducing the
bill of materials, system footprint, and manufacturing cost. The
RFFM8550 integrates a Single Pole Two Throw (SP2T)
Transmit/Receive (T/R) Switch and a 5.0GHz Low Noise Amplifier (LNA)
with bypass mode. The device is provided in a 1.5mm x 1.5mm x
0.40mm 8-pin DFN package.
RFFM8550
Package: DFN, 8-pin,
1.5mm x 1.5mm x 0.40mm
Features
■
SP2T T/R Switch
■
LNA with Bypass Mode
■
Input and Output Matched to 50Ω
■
Wide Voltage Supply Range
■
Supports WiFi chipsets with
Integrated Power Amplifier (iPA)
■
Low Profile Package for Module
Designs
Applications
TX
ANT 1
8
VRX 2
7
N/C
VTX 3
6
RX
VDD 4
5
LNAEN
■
Cellular Handsets
■
Mobile Devices
■
Tablets
■
Consumer Electronics
■
Gaming
■
Netbooks/Notebooks
■
TV/Monitors/Video
Functional Block Diagram
Ordering Information
RFFM8550SB
Standard 5-piece sample bag
RFFM8550SQ
Standard 25-piece sample bag
RFFM8550SR
Standard 100-piece reel
RFFM8550TR7
Standard 2500-piece reel
RFFM8550PCK-410
Fully assembled evaluation board w/ 5-piece bag
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected].
®
DS150128
®
RF MICRO DEVICES and RFMD 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. ©2013, RF Micro Devices, Inc.
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RFFM8550
Absolute Maximum Ratings
Parameter
Rating
Unit
DC Supply Voltage (No RF Applied)
-0.5 to 6
V
DC Supply Current
100
mA
Operating Case Temperature
-40 to +85
°C
Storage Temperature
-40 to +150
°C
Maximum TX Input Power for 11b/g/n/ac (No Damage)
+30
dBm
Maximum RX Input Power (No Damage)
Bypass Mode Maximum RX input power (No damage)
+12
dBm
+25
dBm
Moisture Sensitivity
Caution! ESD sensitive device.
RFMD Green: RoHS status based on EU
Directive 2011/65/EU (at time of this
document revision), 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.
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.
MSL2
Nominal Operating Parameters
Specification
Parameter
Unit
Min
Typ
Condition
Max
Compliance:
4.9GHz to 5.85GHz Only
Operating Frequency
5.18
5.825
GHz
Extended Frequency
4.9
5.925
GHz
Operating Temperature
-40
25
85
ºC
Power Supply VDD
3.0
3.6
5.0
V
Control Voltage-high
2.8
3.1
VCC
V
0
0.24
V
Control Voltage-low
Transmit (TX-ANT)
VDD = 3.6V, unless otherwise noted
Insertion Loss
0.6
1.2
dB
TX Port Return Loss
12
25
dB
ANT Port Return Loss
12
25
dB
Input P1dB
27
30
dBm
ANT-RX Isolation
28
35
dB
Receive (ANT-RX)-LNA On
Gain
Gain flatness over any 80MHz
BW
Gain flatness across band
Noise Figure-Nominal
VTX, VRX, and LNA_EN Should not exceed VCC voltage
T = 25C°, VDD = 3.6V
T = 25°C, VDD = 3.6V
TX Mode-TX enabled and maximum power
VDD = 3.6V, unless otherwise noted
9
12
-0.25
-1
2.5
14
dB
+0.25
dB
+1
dB
3
dB
T = 25°C, VDD = 3.6V
T = 25°C, VDD = 3.6V
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected].
DS150128
The information in this publication is believed to be accurate. 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.
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RFFM8550
Specification
Parameter
Unit
Min
Typ
Condition
Max
Receive (ANT-RX)-LNA On
(continued)
VDD = 3.6V, unless otherwise noted
Rx Port Return Loss
8
12
ANT Port Return Loss
8
10
dB
dB
Nominal Input P1dB
-6
-3
dBm
Current Consumption
6
10
16
mA
LNAEN Control Current
140
250
µA
LNA Turn On Time
400
600
nS
Receive (ANT-RX)-Bypass
Mode
T= 25°C, VDD = 3.6V
VDD = 3.6V, unless otherwise noted
Insertion Loss
5
7
RX Port Return Loss
8
12
12
dB
ANT Port Return Loss
8
15
dB
Input P1dB
15
20
dBm
T = 25°C, VDD = 3.6V
dB
General Specifications
T = 25°C, VDD = 3.6V
VDD = 3.6V, unless otherwise noted
Control Line Impedance - VTX
40
MΩ
Control Line Impedance LNAEN
70
kΩ
MΩ
Control Line Impedance - VRX
40
VDD Leakage Current
0.2
10
µA
Switch Control Current – High Each Line
2
10
µA
Switch Control Current – Low Each Line
0.1
1
µA
Switching Speed
100
500
ns
ESD – Human Body Model
1000
V
ESD – Charge Device Model
1000
V
T = 25°C, VDD = 3.6V
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected].
DS150128
The information in this publication is believed to be accurate. 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.
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RFFM8550
Switch Control Logic Truth Table
Operating Mode
VTX
LNAEN
VRX
Standby
Low
Low
Low
802.11a/n/ac TX Mode
High
Low
Low
802.11a/n/ac RX Gain
Low
High
High
Low
Low
High
802.11a/n/ac RX Bypass
Note: High = 2.8 to VCC. Low = 0V to 0.2V.
Timing Diagram
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected].
DS150128
The information in this publication is believed to be accurate. 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.
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RFFM8550
Evaluation Board Schematic
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected].
DS150128
The information in this publication is believed to be accurate. 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.
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RFFM8550
Pin Out
ANT 1
8
TX
VRX 2
7
N/C
VTX 3
6
RX
VDD 4
5
LNAEN
Package Drawing
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected].
DS150128
The information in this publication is believed to be accurate. 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.
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RFFM8550
PCB Patterns
Note: Shaded area represents Pin 1.
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected].
DS150128
The information in this publication is believed to be accurate. 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.
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RFFM8550
Pin Names and Descriptions
Pin
Name
Description
1
ANT
RF bidirectional antenna port matched to 50Ω. An external DC block is required.
2
VRX
Receive switch control pin. See switch truth table for proper voltage level.
3
VTX
Control voltage for the TX switch. See truth table for proper voltage level.
4
VDD
Supply voltage for the LNA. See applications schematic for bypassing components.
5
LNAEN
6
RX
RF output port for the 802.11a/n/ac LNA. This port is matched to 50Ω and DC blocked internally
7
N/C
This pin is not connected internally and can be left floating or connected to ground.
8
TX
RF input port for the TX throw of the T/R switch. An external DC block is required
Pkg Base
GND
Control voltage for the LNA. When this pin is set to a LOW logic state, the bypass mode is enabled.
Ground connection. The backside of the package should be connected to the ground plane through a short
path, i.e., PCB vias under the device are recommended.
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or [email protected].
DS150128
The information in this publication is believed to be accurate. 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.
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