RF Micro Devices Inc.

7628 Thorndike Road, Greensboro, NC 27409-9421

DS150626

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.

10 of 12

RFSA2534

Pin Names and Descriptions

Pin

Name

Description

1

NC

No Connect

2

RFIN

RF Input: Incident RF power must enter this pin for rated thermal performance and reliability. Do not apply DC

power to this pin. Pin may be DC grounded externally and is grounded thru resistors internal to the part.

3

NC

No Connect

4

DC

Don’t Care: This pin is open inside the package

5

NC

No Connect

6

NC

No Connect

7

DC

Don’t Care: This pin is open inside the package

8

CLK

Serial Clock Input

9

LE

Latch Enable: The leading edge of signal on LE causes the attenuator to change state

10

NC

No Connect

11

SI

Serial Data Input

12

NC

No Connect

13

NC

No Connect

14

VDD

Supply for DSA and logic circuitry

15

NC

No Connect

16

NC

No Connect

17

RFOUT

RF Output: Incident RF power must enter this pin for rated thermal performance and reliability. Do not apply

DC power to this pin. Pin may be DC grounded externally and is grounded thru resistors internal to the part.

18

NC

No Connect

19

GND

Ground this pin on the PCB

20

GND

Ground this pin on the PCB

21

GND

Ground this pin on the PCB

22

GND

Ground this pin on the PCB

23

GND

Ground this pin on the PCB

24

GND

Ground this pin on the PCB