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RF5755

DS120214

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

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Pin Out

Pin

Function

Description

1LNA VDD

Voltage supply for the LNA.

2RX OUT

Receive port for 802.11b/g band. Internally matched to 50

. DC block provided.

3VREG

Regulated voltage for the bias control circuit, and the Tx control port of the SP3T which is also tied to this pin. An

4TX

RF input for the 802.11b/g PA. Input is matched to 50

 and DC block is provided.

5PDETECT

Power detector voltage for Tx section. PDET voltage varies with output power. May need external decoupling

capacitor for noise bypassing. May need external circuitry to bring output voltage to desired level.

6VCC

Supply voltage for the PA.

7VCC

Supply voltage for the PA.

8N/C

No connect.

9OC

Open Circuit.

10

GND

Ground.

11

ANT

Port matched to 50

 and is DC blocked internally.

12

C_BT

13

BT

 and DC block is provided.

14

N/C

No connect.

15

C RX

Receive switch control pin. See switch truth table for proper level.

16

C_BWRX

SPST switch control pin. (Simultaneous WiFi and BT receive.) See truth table for proper level.

Tx In

LNA_Vcc

RX Out

C_BT

ANT

Vreg

9

10

11

12

13

14

15

16

1

2

3

4

5

6

7

8

GND

OC