TDA7469_1 Datasheet, PDF (5/13 Pages) STMicroelectronics – LOW VOLTAGE ANALOG AUDIO PROCESSOR WITH HEADPHONE POWER AMPLIFIER

TDA7469
Table 8. TREBLE & BASS
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
TREBLE
0
0
12dB
0
1
8dB
1
0
4dB
1
1
0dB
BASS
0
0
0
14dB
0
0
1
12dB
0
1
0
10dB
0
1
1
8dB
1
0
0
6dB
1
0
1
4dB
1
1
0
2dB
1
1
1
0dB
BASS ALC
0
ALC: VOLUME mode
1
ALC: BASS mode
1
ALC: fc shift
0
ALC: fc nonshift
1
ALC: feedback gain x2
0
ALC: feedback gain x 1
Table 9. INPUT SELECT & MUTE
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0 INPUT SELECT
0
0
IN1 (0dB)
0
1
IN1 (-6dB)
1
0
IN2 (0dB)
1
1
IN2 (-6dbB)
MUTE
1
Input Mute ON
0
Input Mute OFF
1
Output SoftMute ON
0
Output SoftMute OFF
1
Output Mute ON
0
Output Mute OFF
HEADPHONE AMP. ST-BY
1
Headphone Amp. OFF
0
Headphone Amp. ON
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