RF Micro Devices Inc.

7628 Thorndike Road, Greensboro, NC 27409-9421

DS131204

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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RFDA2046

Truth Table

Control Bit

Gain Relative to

Maximum Gain

D5

D4

D3

D2

D1

D0

1

1

1

1

1

1

0dB

1

1

1

1

1

0

-0.5dB

1

1

1

1

0

1

-1dB

1

1

1

0

1

1

-2dB

1

1

0

1

1

1

-4dB

1

0

1

1

1

1

-8dB

0

1

1

1

1

1

-16dB

0

0

0

0

0

0

-31.5dB

SPI Timing Diagram