參數(shù)資料
型號(hào)： TLV320AIC29IRGZ
廠商： Texas Instruments, Inc.
元件分類： Codec
英文描述： STWREO AUDIO CODEC WITH INTERGRATED HEADPHONE AND SPEAKER AMPLIFIERS
中文描述： STWREO音頻編解碼器集成耳機(jī)和音箱放大器
文件頁數(shù)： 53/85頁
文件大?。?/td> 1007K
代理商： TLV320AIC29IRGZ
SLAS494A DECEMBER 2005 REVISED JANUARY 2006
www.ti.com
53
REGISTER 01H: Gain Control for Headset/Aux Input
BIT
NAME
RESET
VALUE
1
READ/
WRITE
R/W
FUNCTION
D15
ADMUT_HED
Headset/Aux Input Mute
1 => Headset/Aux Input Mute
0 => Headset/Aux Input not muted
Note: If AGC is enabled and Headset/Aux Input is selected then ADMUT_HED+ADPGA_HED
reflects gain being applied by AGC.
D14D8
ADPGA_HED
1111111
R/W
ADC Headset/Aux PGA Settings
0000000 => 0 dB
0000001 => 0.5 dB
0000010 => 1.0 dB
………
1110110 => 59.0 dB
..........
1111111 => 59.5 dB
Note: If AGC is enabled and Headset/Aux Input is selected then ADMUT_HED+ADPGA_HED
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
AGC Target Gain for Headset/Aux Input. 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
AGC Time Constant for Headset/Aux Input. These four bits set the AGC attack and decay time
constants. Time constants remain same irrespective of any sampling frequency
D7D5
AGCTG_HED
000
R/W
D4D1
AGCTC_HED
0000
R/W
Attack time Decay time
(ms)
(ms)
0000 8 100
0001 11 100
0010 16 100
0011 20 100
0100 8 200
0101 11 200
0110 16 200
0111 20 200
1000 8 400
1001 11 400
1010 16 400
1011 20 400
1100 8 500
1101 11 500
1110 16 500
1111 20 500
AGC Enable for Headset/Aux Input
0 => AGC is off for Headset/Aux Input
(ADC Headset/Aux PGA is controlled by ADMUT_HED+ADPGA_HED)
1 => AGC is on for Headset/Aux Input
(ADC Headset/Aux PGA is controlled by AGC)
D0
AGCEN_HED
0
R/W
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TLV320AIC29IRGZRG4 功能描述:接口—CODEC Stereo Codec RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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