MOSA

MS6272

Volume Controller with soft step IC

V1.4

9/19

www.mosanalog.com

Input Gain Control (01H , 02H , 03H)

MSB

LSB

Function

D7

D6

D5

D4

D3

D2

D1

D0

Gain

1

1

0

0

0

0

0dB

1

1

0

0

0

1

1dB

1

1

0

0

1

0

2dB

1

1

0

0

1

1

3dB

1

1

0

1

0

0

4dB

1

1

0

1

0

1

5dB

1

1

0

1

1

0

6dB

1

1

0

1

1

1

7dB

1

1

1

0

0

0

8dB

1

1

1

0

0

1

9dB

1

1

1

0

1

0

10dB

1

1

1

0

1

1

11dB

1

1

1

1

0

0

12dB

1

1

1

1

0

1

13dB

1

1

1

1

1

0

14dB

1

1

1

1

1

1

15dB

The initial condition 14dB. We suggest the gain is set as the power is up. For example, set and fix the gain +10dB, the

volume range will be controlled from -69dB to +25dB.