TDA7469_1 Datasheet, PDF (6/13 Pages) STMicroelectronics – LOW VOLTAGE ANALOG AUDIO PROCESSOR WITH HEADPHONE POWER AMPLIFIER

TDA7469
Table 10. STAND_BY & OTHERS
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
STAND-BY
1 ALL Circuits Stop
0 ALL Circuits Work
SOFT MUTE CAPACITOR
1
Independent Capacitor
0
Share ALC Capacitor
REFERENCE LEVEL
1
adaptive: (VDD-0.7)/2
0
0
0
1.10V
0
1
0
0.85V
1
0
0
0.55V
1
1
0
0.45V
ZEROCROSS MODE
1
ON
0
OFF
1
Zerocross Detect Point: Volume
0
Zerocross Detect Point: Bass
CREF STAND-BY
1
CREF Circuit Stop
0
CREF Circuit Work
Table 11. BASS ALC1
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
BASS ALC
ALC MODE
1 ON
0 OFF
DETECTOR
1
ON
0
OFF
RELEASE CURRENT CIRCUIT
1
ON
0
OFF
ATTACK TIME RESISTOR
0
0
12.5KΩ
0
1
25KΩ
1
0
50KΩ
1
1
100KΩ
THRESHOLD
0
0
THRESHOLD1
0
1
THRESHOLD2
1
0
THRESHOLD3
1
1
THRESHOLD4
Table 12. BASS ALC2
MSB
LSB
D7
D6
D5
D4
D3
D2
D1
D0
BASS ALC
ALC FULL FEEDBACK CURR.
1 ON
0 OFF
BIG RELEASE CURRENT
1
ON
0
OFF
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