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PCM1820 Datasheet(PDF) 90 Page - Texas Instruments

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Part # PCM1820
Description  TLV320ADC6120 2-Channel, 768-kHz, Burr-BrownTM Audio ADC
PDF  130 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCM1820 Datasheet(HTML) 90 Page - Texas Instruments

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8.6.2.36 CH2_CFG1 Register (Address = 0x42) [Reset = 0x0]
CH2_CFG1 is shown in Figure 8-106 and described in Table 8-91.
Return to the Table 8-55.
This register is configuration register 1 for channel 2.
Figure 8-106. CH2_CFG1 Register
7
6
5
4
3
2
1
0
CH2_GAIN[6:0]
CH2_GAIN_SI
GN_BIT
R/W-0000000b
R/W-0b
Table 8-91. CH2_CFG1 Register Field Descriptions
Bit
Field
Type
Reset
Description
7-1
CH2_GAIN[6:0]
R/W
0000000b
Channel 2 gain.
0d = Channel gain is set to 0 dB
1d = Channel gain is set to 0.5 dB
2d = Channel gain is set to 1 dB
3d to 83d = Channel gain is set as per configuration
84d = Channel gain is set to 42 dB
85d to 127d = Reserved; Don't use
0
CH2_GAIN_SIGN_BIT
R/W
0b
Channel-2 gain sign configuration.
0d = Positive channel gain
1d = Negative channel gain (minimum channel gain supported till -11
dB; supported only for channel input impedance of 10-kΩ and 20-kΩ)
8.6.2.37 CH2_CFG2 Register (Address = 0x43) [Reset = 0xC9]
CH2_CFG2 is shown in Figure 8-107 and described in Table 8-92.
Return to the Table 8-55.
This register is configuration register 2 for channel 2.
Figure 8-107. CH2_CFG2 Register
7
6
5
4
3
2
1
0
CH2_DVOL[7:0]
R/W-11001001b
Table 8-92. CH2_CFG2 Register Field Descriptions
Bit
Field
Type
Reset
Description
7-0
CH2_DVOL[7:0]
R/W
11001001b
Channel 2 digital volume control.
0d = Digital volume is muted
1d = Digital volume control is set to -100 dB
2d = Digital volume control is set to -99.5 dB
3d to 200d = Digital volume control is set as per configuration
201d = Digital volume control is set to 0 dB
202d = Digital volume control is set to 0.5 dB
203d to 253d = Digital volume control is set as per configuration
254d = Digital volume control is set to 26.5 dB
255d = Digital volume control is set to 27 dB
TLV320ADC6120
SBASA92A – DECEMBER 2020 – REVISED JUNE 2021
www.ti.com
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Product Folder Links: TLV320ADC6120



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