参数资料
型号: PCM3052ARTFG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 编解码器
英文描述: PCM CODEC, PQCC32
封装: GREEN, PLASTIC, VQFN-32
文件页数: 32/47页
文件大小: 776K
代理商: PCM3052ARTFG4
www.ti.com
AML: Multiplexer Input Channel Selection (ADC)
PG[4:0]: PGA Gain Selection (ADC)
BYP: HPF Bypass Control (ADC)
PCM3052A
SLES160 – NOVEMBER 2005
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
REGISTER 72
0
1
0
1
0
RSV
AML
PG4
PG3
PG2
PG1
PG0
Default value: 0
AML
MULTIPLEXER INPUT CHANNEL SELECTION
0
Line (default)
1
Microphone
The AML bit selects the input channel of multiplexer.
Default value: 0 0100 (–4 dB)
PG[4:0]
PGA Gain Selection
PG[4:0]
PGA Gain Selection
11111
Digital mute
01111
7 dB
11110
Digital mute
01110
6 dB
11101
Digital mute
01101
5 dB
11100
20 dB
01100
4 dB
11011
19 dB
01011
3 dB
11010
18 dB
01010
2 dB
11001
17 dB
01001
1 dB
11000
16 dB
01000
0 dB
10111
15 dB
00111
– 1 dB
10110
14 dB
00110
–2 dB
10101
13 dB
00101
–3 dB
10100
12 dB
00100
–4 dB (default)
10011
11 dB
00011
Digital mute
10010
10 dB
00010
Digital mute
10001
9 dB
00001
Digital mute
10000
8 dB
00000
Digital mute
The PG[4:0] bits control the gain of PGA for adjusting the signal level for ADC.
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
REGISTER 75
0
1
0
1
0
1
RSV
BYP
1
RSV
Default value: 0
BYP = 0
Normal output, HPF enable (default)
BYP = 1
Bypass output, HPF disable
The BYP bit controls HPF function; dc components of input and dc offset are converted in bypass mode.
38
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