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RFFM4200

DS121008

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

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

Pin

Function

Description

1GND

Ground connection.

2GND

Ground connection.

3

VCC3

This pin is connected internally to the collector of the 3rd stage RF device. To achieve specified perfor-

mance, the layout of these pins should match the Recommended Land Pattern.

4

VCC2

This pin is connected internally to the collector of the 3rd stage RF device. To achieve specified perfor-

mance, the layout of these pins should match the Recommended Land Pattern.

5GND

Ground connection.

6

VCC1

This pin is connected internally to the collector of the 3rd stage RF device. To achieve specified perfor-

mance, the layout of these pins should match the Recommended Land Pattern.

7VBIAS

Supply voltage for the bias reference and control circuits.

8GND

Ground connection.

9GND

Ground connection.

10

TXIN

RF input is internally matched to 50

 and DC blocked.

11

GND

Ground connection.

12

PDOWN

13

VREG1

First stage bias voltage. This Pin requires regulated supply for best performance.

14

VREG2

Second stage bias voltage. This Pin requires regulated supply for best performance.

15

VREG3

Third stage bias voltage. This Pin requires regulated supply for best performance.

16

PDET

Power detector provides an output voltage proportional to the RF output power level.

17

GND

Ground connection.

18

RX

RF Output is internally matched to 50

 and DC blocked.

19

VRX

Switch control for RX mode.

20

GND

Ground connection.

21

ANT

RF Output is internally matched to 50

 and DC blocked.

22

GND

Ground connection.

23

GND

Ground connection.

24

VTX

Switch control for TX mode.

PkG Base

GND

Ground connection. The back side of the package should be connected to the ground plane through as

short a connection as possible, e.g., PCB vias under the device are recommended.