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TAS2770RJQT Datasheet(PDF) 53 Page - Texas Instruments

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Part # TAS2770RJQT
Description  TAS2770 20-W Digital Input Mono Class-D Audio Amplifier with Speaker I/V Sense
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TAS2770RJQT Datasheet(HTML) 53 Page - Texas Instruments

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Figure 8-24. PB_CFG2 Register Address: 0x05 (continued)
RW-0h
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 8-87. Playback Configuration 2 Field Descriptions
Bit
Field
Type
Reset
Description
7-0
DVC_PCM[7:0]
RW
0h
PCM digital volume control.
00h = 0 dB
01h = -0.5 dB
02h = -1 dB
....
C7h = -99.5 dB
C8h = -100dB
C9h - FFh = Mute
8.5.2.7 PB_CFG3 (book=0x00 page=0x00 address=0x06) [reset=0h]
Sets playback volume for PDM playback path.
Figure 8-25. PB_CFG3 Register Address: 0x06
7
6
5
4
3
2
1
0
DVC_PDM[7:0]
RW-0h
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 8-88. Playback Configuration 3 Field Descriptions
Bit
Field
Type
Reset
Description
7-0
DVC_PDM[7:0]
RW
0h
PDM digital volume control.
00h = 0 dB
01h = -0.5 dB
02h = -1 dB
....
C7h = -99.5 dB
C8h = -100dB
C9h - FFh = Mute
8.5.2.8 MISC_CFG (book=0x00 page=0x00 address=0x07) [reset=6h]
Sets DVC Ramp Rate, IRQZ pull up, amp spread spectrum and I-Sense current range.
7
6
5
4
3
2
1
0
DVC_RAMP_RATE[1:0]
Reserved
IRQZ_PU
AMP_SS
Reserved
RW-0h
RW-0h
RW-0h
RW-1h
RW-2h
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 8-89. Misc Configuration Field Descriptions
Bit
Field
Type
Reset
Description
7-6
DVC_RAMP_RATE[1:0]
RW
0h
Digital volume control ramp rate.
00b = 0.5 dB per 1 sample
01b = 0.5 dB per 4 samples
10b = 0.5 dB per 8 samples
11b = Volume ramping disabled
5-4
Reserved
RW
0h
Reserved
3
IRQZ_PU
RW
0h
IRQZ internal pull up enable.
0b = Disabled
1b = Enabled
www.ti.com
TAS2770
SLASEM6D – OCTOBER 2017 – REVISED AUGUST 2022
Copyright © 2022 Texas Instruments Incorporated
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Product Folder Links: TAS2770


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