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RFDA0035

DS110329

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

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

Pin Names and Descriptions

Pin

Function

Description

1A2

MSB - 2 for the Gain Control Interface for Channel A.

2A3

MSB - 1 for the Gain Control Interface for Channel A.

3A4

MSB for the 5-Bit Gain Control Interface for Channel A.

4VCMA

Channel A Input Common-Mode Voltage. Typically Bypassed to Ground Through Capacitor.

5VCMB

Channel B Input Common-Mode Voltage. Typically Bypassed to Ground Through Capacitor.

6B4

MSB for the 5-Bit Gain Control Interface for Channel B.

7B3

MSB - 1 for the Gain Control Interface for Channel B.

8B2

MSB - 2 for the Gain Control Interface for Channel B.

9B1

LSB + 1 for the Gain Control Interface for Channel B.

10

B0

LSB for the Gain Control Interface for Channel B.

11

IPB+

Channel B Positive Input.

12

IPB-

Channel B Negative Input.

13

GNDB

Device Common (DC Ground) for Channel B.

14

VCCB

Positive Supply Pin for Channel B. Should be Bypassed to Ground Using Suitable Bypass Capacitor.

15

0PB+

Positive Output Pins (Open Collector) for Channel B. Require DC Bias of +5V Nominal.

16

0PB-

Negative Output Pins (Open Collector) for Channel B. Require DC Bias of +5V Nominal.

17

0PB+

Positive Output Pins (Open Collector) for Channel B. Require DC Bias of +5V Nominal.

18

0PB-

Negative Output Pins (Open Collector) for Channel B. Require DC Bias of +5V Nominal.

19

ENBB

Power Enable Pin for Channel B. Channel B is Enabled with a Logic High and Disabled with a Logic Low.

20

RESB

Current Adjust Pin. Connect a Resistor from RESB to Ground can Adjust the Channel B DC Current from 90mA

to 120mA. Leave Pin Floating for Nominal Bias of 120mA.

21

RESA

Current Adjust Pin. Connect a Resistor from RESA to Ground can Adjust the Channel A DC Current from 90mA

to 120mA. Leave Pin Floating for Nominal Bias of 120mA.

22

ENBA

Power Enable Pin for Channel A. Channel A is Enabled with a Logic High and Disabled with a Logic Low.

23

OPA-

Negative Output Pins (Open Collector) for Channel A. Require DC Bias of +5V Nominal.

24

OPA+

Positive Output Pins (Open Collector) for Channel A. Require DC Bias of +5V Nominal.

25

OPA-

Negative Output Pins (Open Collector) for Channel A. Require DC Bias of +5V Nominal.

26

OPA+

Positive Output Pins (Open Collector) for Channel A. Require DC Bias of +5V Nominal.

27

VCCA

Positive Supply Pins for Channel A. Should be Bypassed to Ground Using Suitable Bypass Capacitor.

28

GNDA

Device Common (DC Ground) for Channel A

29

IPA-

Channel A Negative Input.

30

IPA+

Channel A Positive Input.

31

A0

LSB for the Gain Control Interface for Channel A.

32

A1

LSB + 1 for the Gain Control Interface for Channel A.