6 of 11

RFDA2077

Prelim DS101202

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

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

Truth Table

Channel 1 Control Bit

Gain Relative to Maximum Gain

D11

D10

D9

D8

D7

D6

111111

0dB

111110

-0.5dB

111101

-1dB

111011

-2dB

110111

-4dB

101111

-8dB

011111

-16dB

000000

-31.5dB

Channel 2 Control Bit

Gain Relative to Maximum Gain

D5

D4

D3

D2

D1

D0

111111

0dB

111110

-0.5dB

111101

-1dB

111011

-2dB

110111

-4dB

101111

-8dB

011111

-16dB

000000

-31.5dB

Power Up Programming Truth Table

Logic Voltage Levels

PUP

Attenuator Setting

State

Logic

High

Attenuation at min, 0dB

Low

0V to 0.8V

Low

Attenuation at max, 31.5dB

High

2.0V to 5.0V