RF5521 Datasheet, PDF (4/10 Pages) RF Micro Devices – 3.3V, SWITCH AND LNA FRONT END MODULE

RF5521
Pin
Function Description
1
ANT
This is a common port (antenna). It is matched at 50Ω.
2
C_RX
Receive mode control voltage. See switch truth table for proper level.
3
C_TX
Transmit mode control voltage. See switch truth table for proper level.
4
TX IN
RF input for the 802.11 b/g PA. Input is matched to 50Ω.
5
NC
No connect pin.
6
LNA_EN ^{This pin enables the LNA. A logic HIGH enables the LNA.}
7
RX_OUT
Receive port for 802.11 b/g band. Internally matched to 50Ω. DC-block provided internally.
8
VDD
Supply voltage to the LNA.
9
BT
RF bi-directional prots for Bluetooth^TM. Input is matched to 50Ω.
10
C_BT
Bluetooth™ mode control voltage. See switch truth table for proper level.
Package Drawing
Top View
Note: Pads are NiPdAu plated.
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DS130715