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參數(shù)資料
| 型號(hào)： | PCM3794 |
| 元件分類： | Codec |
| 英文描述： | 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier |
| 中文描述： | 16位，低功耗立體聲音頻編解碼器麥克風(fēng)偏置，耳機(jī)，揚(yáng)聲器放大器和數(shù)字 |
| 文件頁(yè)數(shù)： | 39/63頁(yè) |
| 文件大小： | 915K |
| 代理商： | PCM3794 |
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PCM3793
PCM3794
SLES193A–AUGUST 2006–REVISED SEPTEMBER 2006
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Register 79
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
RSV
RSV
ALV5
ALV4
ALV3
ALV2
ALV1
ALV0
Register 80
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
RSV
RSV
ARV5
ARV4
ARV3
ARV2
ARV1
ARV0
IDX[6:0]:
100 1111b (4Fh): Register 79
IDX[6:0]:
101 0000b (50h): Register 80
ALV[5:0]: Gain Control for PG3 (R-Channel ADC Analog Input)
ARV[5:0]: Gain Control for PG4 (L-Channel ADC Analog Input)
Default value: 00
PG3 and PG4 can be independently controlled for ADC input from 30 dB to –12 dB in 1-dB steps. The ADC
output may have zipper noise while changing the level. In the PCM3793/94, the noise can be reduced when
making the change by using zero-cross detection (register 85, ZCRS).
Table 10. Gain Level Setting
ALV[5:0],
ARV[5:0]
10 1010
10 1001
10 1000
10 0111
10 0110
10 0101
10 0100
10 0011
10 0010
10 0001
10 0000
01 1111
01 1110
01 1101
01 1100
01 1011
01 1010
01 1001
01 1000
01 0111
01 0110
01 0101
GAIN LEVEL
SETTING
30 dB
29 dB
28 dB
27 dB
26 dB
25 dB
24 dB
23 dB
22 dB
21 dB
20 dB
19 dB
18 dB
17 dB
16 dB
15 dB
14 dB
13 dB
12 dB
11 dB
10 dB
9 dB
ALV[5:0],
ARV[5:0]
01 0100
01 0011
01 0010
01 0001
01 0000
00 1111
00 1110
00 1101
00 1100
00 1011
00 1010
00 1001
00 1000
00 0111
00 0110
00 0101
00 0100
00 0011
00 0010
00 0001
00 0000
GAIN LEVEL
SETTING
8 dB
7 dB
6 dB
5 dB
4 dB
3 dB
2 dB
1 dB
0 dB
–1 dB
–2 dB
–3 dB
–4 dB
–5 dB
–6 dB
–7 dB
–8 dB
–9 dB
–10 dB
–11 dB
–12 dB (default)
2A
29
28
27
26
25
24
23
22
21
20
1F
1E
1D
1C
1B
1A
19
18
17
16
15
14
13
12
11
10
0F
0E
0D
0C
0B
0A
09
08
07
06
05
04
03
02
01
00
39
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCM-3794 | 制造商:AAEON 制造商全稱:AAEON 功能描述:PCI-104 2-slot PCMCIA Module /Three IEEE-1394 Port Daughter Board |
| PCM3794A | 制造商:BB 制造商全稱:BB 功能描述:16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier |
| PCM-3794-A10 | 制造商:AAEON Technology Inc 功能描述:PCI-104 2-SLOT PCMCIA (HOT SWAP) - Bulk |
| PCM-3794-A10-01 | 制造商:AAEON Technology Inc 功能描述:PCI-104 2-SLOT PCMCIA (HOT SWAP) & PCM-3594 IEEE-1394 3-PORT - Bulk |
| PCM3794ARHB | 制造商:Texas Instruments 功能描述:AUD CODEC 2ADC / 2DAC 16BIT 32QFN EP - Tape and Reel |
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