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RFDA0047

DS140513

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

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

Truth Table

Channel 1 Control Bit

Gain Relative to Maximum Gain

D11

D10

D9

D8

D7

D6

1

11111

0dB

1

11110

-0.5dB

1

11101

-1dB

1

11011

-2dB

1

10111

-4dB

1

01111

-8dB

0

11111

-16dB

0

00000

-31.5dB

Channel 2 Control Bit

Gain Relative to Maximum Gain

D5

D4

D3

D2

D1

D0

1

11111

0dB

1

11110

-0.5dB

1

11101

-1dB

1

11011

-2dB

1

10111

-4dB

1

01111

-8dB

0

11111

-16dB

0

00000

-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