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TAS5705PAPR Datasheet(PDF) 53 Page - Texas Instruments

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Part # TAS5705PAPR
Description  20-W STEREO DIGITAL AUDIO POWER AMPLIFIER WITH EQ AND DRC
PDF  71 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TAS5705PAPR Datasheet(HTML) 53 Page - Texas Instruments

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VOLUME REGISTERS (0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D)
VOLUME CONFIGURATION REGISTER (0x0E)
TAS5705
www.ti.com ...................................................................................................................................................................................................... SLOS549 – JUNE 2008
Step size is 0.5 dB.
Master volume
– 0x07 (default is mute)
Channel-1 volume
– 0x08 (default is 0 dB)
Channel-2 volume
– 0x09 (default is 0 dB)
Channel-3 volume
– 0x0A (default is 0 dB)
Channel-4 volume
– 0x0B (default is 0 dB)
Headphone volume
– 0x0C (default is 0 dB)
Channel-6 volume
– 0x0D (default is 0 dB)
(subwoofer)
Table 15. Volume Register
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
0
0
0
0
0
0
0
0
24 dB
0
0
1
1
0
0
0
0
0 dB (default for individual channel volume) (1)
1
1
1
1
1
1
1
0
–100 dB
1
1
1
1
1
1
1
1
MUTE (default for master volume); 50% duty cycle at output – SOFT MUTE (1)
(1)
Default values are in bold.
Bit D7:
Reserved = 1
Bit D6:
If 0, then biquad 1 (BQ1) volume compensation part only is disabled (default). If 1, then BQ1
volume compensation is enabled.
Bit D4:
Reserved = 1
Bit D3:
Reserved
Bits D2–D0:
Volume slew rate (Used to control volume change and MUTE ramp rates)
Table 16. Volume Control Register (0x0E)
D7
D6
D5
D4
D3
D2
D1
D0
FUNCTION
1
–
–
–
–
–
–
–
Reserved (must be 1)
–
0
–
–
–
–
–
–
Disable biquad volume compensation (1)
–
1
–
–
–
–
–
–
Enable biquad volume compensation
–
–
0
–
–
–
–
–
Reserved (1)
–
–
–
1
–
–
–
–
Reserved (must be 1) (1)
–
–
–
–
0
–
–
–
Reserved (1)
–
–
–
–
–
0
0
0
Volume slew 512 steps (44 ms volume ramp time)
–
–
–
–
–
0
0
1
Volume slew 1024 steps(1) (88 ms volume ramp time)
–
–
–
–
–
0
1
0
Volume slew 2048 steps (176 ms volume ramp time)
–
–
–
–
–
0
1
1
Volume slew 256 steps (22 ms volume ramp time)
–
–
–
–
–
1
X
X
Reserved
(1)
Default values are in bold.
Copyright © 2008, Texas Instruments Incorporated
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Product Folder Link(s): TAS5705



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