MS6266G(REV2) 데이터 시트보기 (PDF) - MOSA ELECTRONICS

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MS6266G
(Rev.:REV2)

6-Channel Volume Controller Gain and Attenuation 16~-79dB Low Voltage, High Channel Separation

MOSA ELECTRONICS 

MOSA

MS6266

6-Channel Electronic Volume Controller

Examples

Mute off

The initial condition is –79dB and mute on when power on. The first command must disable the mute function.

MSB

LSB

Data byte

Start

80H, 84H, 88H, 8CH

ACK 1 1 1 1 1 0 0 0 ACK Stop

MS6266 Address

6 channels, Mute off

Set gain of 1st channel at 0dB

Start MS6266 Address ACK 1 0 0 0 0 0 0 0 ACK 1 0 0 1 0 0 0 0 ACK Stop

Ch 1, -10dB/step, 0dB

Ch 1, -1dB/step, 0dB

Set attenuation of 5th channel at -6dB

Start MS6266 Address ACK 0 1 1 0 0 0 0 0 ACK 0 1 1 1 0 1 1 0 ACK Stop

Ch 5, -10dB/step, 0dB

Ch 5, -1dB/step, -6dB

Set attenuation of 3rd channel at –33dB

Start MS6266 Address ACK 0 0 0 0 0 0 1 1 ACK 0 0 0 1 0 0 1 1 ACK Stop

Ch 3, -10dB/step, -30dB

Ch 3, -1dB/step, -3dB

Set gain of 3rd channel at 3dB

Start MS6266 Address ACK 0 0 0 0 1 0 0 1 ACK 0 0 0 1 0 0 0 1 ACK Stop

Ch 3, +2dB/step, 4dB

Odd gain 3dB = 2*2-1 = 2*(+2dB)+(-1dB)

Ch 3, -1dB/step, -1dB

Set power off preparation command to prevent pop noise before power is off.

Start MS6266 Address ACK 1 1 1 1 0 0 0 1 ACK Stop

Power off preparation

REV 2

9/13

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