RFFM8850P Datasheet, PDF (4/10 Pages) RF Micro Devices – Dualband 2.4GHz and 5.0GHz 802.11b/g/n/a/ac Wi-Fi® Switch + LNA Front End Module

RFFM8850P
Parameter
Receive (ANT5-RX5)-Bypass
Mode
Insertion Loss - Nominal
RX5 Port Return Loss
ANT5 Port Return Loss
Input P1dB
Control Line Specifications
VDD5 Leakage Current - Nominal
Control Line Impedance – VTX5
Control Line Impedance – LNA_EN5
Control Line Impedance – VRX5
Leakage Current – VDD5
5G Switch Control Current – High -
Each Line
5G Switch Control Current – Low -
Each Line
Switching Speed
Isolation
ANT5 to RX5
ANT2 to RX2
ANT5 to ANT2
Specification
Min
Typ
Max
Unit Condition
5.0GHz Band, VDD5 = 3.6V, unless otherwise noted
5
7
12
dB T = 25°C, VDD5 = 3.6V
10
15
dB
12
20
+18
+21
dB
dBm T = 25°C, VDD5 = 3.6V
5.0GHz Band, VDD5 = 3.6V, unless otherwise noted
0
0.2
10
uA
40
MΩ
66
kΩ
40
MΩ
0.2
10
µA
5
100
µA
0.5
1
µA T = 25°C, VDD5 = 3.6V
100
500
ns
VDD2 = 3.6V and VDD5 = 3.6V, unless otherwise noted
25
dB
25
dB
40
dB
Switch Control Logic Truth Table
Operating Mode
802.11b/g/n Rx Bypass - Standby
802.11b/g/n TX2 Mode
802.11b/g/n RX2 Gain Mode
BT TX
5.0 GHz Standby Mode
802.11a/n/ac TX5 Mode
802.11a/n/ac RX5 Gain Mode
802.11a/n/ac RX5 Bypass Mode
VTX2
Low
High
Low
Low
LNAEN2
Low
Low
High
Low
VBT
Low
Low
Low
High
VTX5
Low
High
Low
Low
Note: 2G: High = 2.8 to VDD2, Low = 0V to 0.2V, and 5G: High = 2.8 to VDD5, Low = 0V to 0.2V.
LNAEN5
VRX5
Low
Low
High
Low
Low
Low
High
High
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or [e-mail].
DS150107
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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