MS6258(REV6) 데이터 시트보기 (PDF) - MOSA ELECTRONICS

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MS6258
(Rev.:REV6)

Gain and Attenuation Volume Controller IC 4 Sets of Stereo Input, Low voltage Gain and Attenuation 15~-79dB

MOSA ELECTRONICS 

MOSA

An example of the volume control. (Volume = Ax + Bx + Cx)

Set two channels at 0dB. (Ax + Bx + Cx = 0dB + 0dB + 0dB)

MS6258

Gain And Attenuation Volume Controller IC

next, the volume changes from 0dB to -9dB. (Ax + Bx + Cx = -9dB + 0dB + 0dB)

next, the volume changes from -9dB to -19dB. (Ax + Bx + Cx = -9dB + -10dB + 0dB)

next, the volume changes from -19dB to -20dB. (Ax + Bx + Cx = 0dB + -20dB + 0dB)

Start MS6258 Address ACK 1 1 1 0 0 0 1 0 ACK 1 1 0 1 0 0 0 0 ACK Stop

2-ch, -10dB/step, -20dB

2-ch, -1dB/step, 0dB

next, the volume changes from -20dB to -14dB. (Ax + Bx + Cx = 0dB + -20dB + 6dB)

next, the volume changes from -14dB to +6dB. (Ax + Bx + Cx = 0dB + 0dB + 6dB)

Note: 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 +10dB to –69dB.

REV 6

11

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