參數(shù)資料
型號(hào)： TLV320AIC26IRHBRG4
廠(chǎng)商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQCC32
封裝： 5 X 5 MM, GREEN, PLASTIC, QFN-32
文件頁(yè)數(shù)： 36/67頁(yè)
文件大?。?/td> 883K
代理商： TLV320AIC26IRHBRG4
TLV320AIC26
SLAS412 DECEMBER 2003
www.ti.com
41
REGISTER 01H: CODEC ADC Gain Control
BIT
NAME
READ/
WRITE
RESET
VALUE
FUNCTION
D15
ADMUT
R/W
1
ADC Channel Mute
1 => ADC channel muted
0 => ADC channel not muted
Note: If AGC is enabled, then D15D8 reflects gain being applied by AGC.
If AGC is on, the decoding for read values is as follows:
01110111 => +59.5 dB
01110110 => +59.0 dB
00000000 => 0 dB
11101001 => 11.5 dB
11101000 => 12 dB
D14D8
ADPGA
R/W
0000000
ADC PGA Settings
0000000 => ADC PGA = 0 dB
0000001 => ADC PGA = 0.5 dB
0000010 => ADC PGA = 1.0 dB
1110110 => ADC PGA = 59.0 dB
1110111 => ADC PGA = 59.5 dB
1111000 => ADC PGA = 59.5 dB
1111110 => ADC PGA = 59.5 dB
1111111 => ADC PGA = 59.5 dB
Note: If AGC is enabled, then D15D8 reflects gain being applied by AGC. If AGC is
on, the decoding for read values is as follows
01110111 => +59.5 dB
01110110 => +59.0 dB
00000000 => 0 dB
11101001 => 11.5 dB
11101000 => 12 dB
D7D5
AGCTG
R/W
000
AGC Target Level. These three bits set the AGC’s targeted ADC output level.
000 => 5.5 dB
001 => 8.0 dB
010 => 10 dB
011 => 12 dB
100 => 14 dB
101 => 17 dB
110 => 20 dB
111 => 24 dB
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