RF Micro Devices Inc.

7628 Thorndike Road, Greensboro, NC 27409-9421

DS140902

For sales or technical support, contact RFMD at +1.336.678.5570 or customerservice@rfmd.com.

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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RFDA4005

Pin Names and Descriptions

Pin

Name

Description

1

AMPIN

RF Amplifier Input

2

GND

RF/DC Ground Connection

3

GND

RF/DC Ground Connection

4

ATTOUT

Digital Attenuator Output

5

NC

NC Connection; leave open or ground

6

NC

NC Connection; leave open or ground

7

NC

NC Connection; leave open or ground

8

NC

NC Connection; leave open or ground

9

NC

NC Connection; leave open or ground

10

NC

NC Connection; leave open or ground

11

GND

RF/DC Ground Connection

12

ATTIN

Digital Attenuation Input

13

GND

RF/DC Ground Connection

14

NC

NC Connection; leave open or ground

15

PUP

Power-up Programming Pin

Low = Max attenuation setting at power up, -31.5dB

High = Min attenuation setting at power up, 0dB

16

NC

NC Connection; leave open or ground

17

VDD

Supply Voltage

18

NC

NC Connection; leave open or ground

19

NC

NC Connection; leave open or ground

20

NC

NC Connection; leave open or ground

21

NC

NC Connection; leave open or ground

22

NC

NC Connection; leave open or ground

23

NC

NC Connection; leave open or ground

24

NC

NC Connection; leave open or ground

25

CLK

Serial Clock

26

DATA

Serial Data

27

LE

Latch Enable

28

GND

RF/DC Ground Connection

29

AMPOUT

RF Amplifier Output

30

GND

RF/DC Ground Connection

31

GND

RF/DC Ground Connection

32

GND

RF/DC Ground Connection