參數(shù)資料
型號(hào)： PCM3793ARHBTG4
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)： 34/68頁(yè)
文件大?。?/td> 982K
代理商： PCM3793ARHBTG4
www.ti.com
PCM3793A
PCM3794A
SLAS529A–JANUARY 2007–REVISED FEBRUARY 2007
Registers 68 and 69
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Register 68
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
RSV
PMUL
ATL5
ATL4
ATL3
ATL2
ATL1
ATL0
Register 69
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
RSV
PMUR
ATR5
ATR4
ATR3
ATR2
ATR1
ATR0
IDX[6:0]:
100 0100b (44h): Register 68
IDX[6:0]:
100 0101b (45h): Register 69
PMUL: Digital Soft Mute Control for DAL (DAC, L-Channel)
PMUR: Digital Soft Mute Control for DAR (DAC R-Channel)
Default value: 0
The digital inputs of the DAC can be independently muted by setting PMUL and PMUR = 1. The digital data is
changed from the current attenuation level to mute level by a 1-dB step for every 8/f
S
time period. When PMUL
and PMUR are set to 0, the digital data is changed from the mute level to the current attenuation level by a 1-dB
step for every 8/f
time period. In the PCM3793A/94A, audible zipper noise can be reduced by selecting
zero-cross detection (register 86, ZCRS).
PMUL, PMUR = 0
PMUL, PMUR = 1
Mute disabled (default)
Mute enabled
ATL[5:0]: Digital Attenuation Setting for DAL (L-Channel DAC)
ATR[5:0]: Digital Attenuation Setting for DAR (R-Channel DAC)
Default value: 11 1111b
The digital inputs of the DAC can be independently attenuated. The attenuation of the digital input is changed by
a 1-dB step for every 8/f
time period. Audible zipper noise in the PCM3793A/94A can be reduced by selecting
zero-cross detection (register 86, ZCRS).
Table 9. Digital Attenuation Setting
ATL[5:0],
ATR[5:0]
ATTENUATION LEVEL
SETTING
ATL[5:0],
ATR[5:0]
ATTENUATION LEVEL
SETTING
ATL[5:0],
ATR[5:0]
ATTENUATION LEVEL
SETTING
11 1111
3F
0 dB (default)
10 1001
29
–22 dB
01 0011
13
–44 dB
11 1110
3E
–1 dB
10 1000
28
–23 dB
01 0010
12
–45 dB
11 1101
3D
–2 dB
10 0111
27
–24 dB
01 0001
11
–46 dB
11 1100
3C
–3 dB
10 0110
26
–25 dB
01 0000
10
–47 dB
11 1011
3B
–4 dB
10 0101
25
–26 dB
00 1111
0F
–48 dB
11 1010
3A
–5 dB
10 0100
24
–27 dB
00 1110
0E
–49 dB
11 1001
39
–6 dB
10 0011
23
–28 dB
00 1101
0D
–50 dB
11 1000
38
–7 dB
10 0010
22
–29 dB
00 1100
0C
–51 dB
11 0111
37
–8 dB
10 0001
21
–30 dB
00 1011
0B
–52 dB
11 0110
36
–9 dB
10 0000
20
–31 dB
00 1010
0A
–53 dB
11 0101
35
–10 dB
01 1111
1F
–32 dB
00 1001
09
–54 dB
11 0100
34
–11 dB
01 1110
1E
–33 dB
00 1000
08
–55 dB
11 0011
33
–12 dB
01 1101
1D
–34 dB
00 0111
07
–56 dB
11 0010
32
–13 dB
01 1100
1C
–35 dB
00 0110
06
–57 dB
11 0001
31
–14 dB
01 1011
1B
–36 dB
00 0101
05
–58 dB
11 0000
30
–15 dB
01 1010
1A
–37 dB
00 0100
04
–59 dB
10 1111
2F
–16 dB
01 1001
19
–38 dB
00 0011
03
–60 dB
10 1110
2E
–17 dB
01 1000
18
–39 dB
00 0010
02
–61 dB
10 1101
2D
–18 dB
01 0111
17
–40 dB
00 0001
01
–62 dB
10 1100
2C
–19 dB
01 0110
16
–41 dB
00 0000
00
Mute
10 1011
2B
–20 dB
01 0101
15
–42 dB
10 1010
2A
–21 dB
01 0100
14
–43 dB
34
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相關(guān)PDF資料
PDF描述
PCM3794A 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier
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PCM3794ARHBT 16-Bit, Low-Power Stereo Audio CODEC With Microphone Bias, Headphone, and Digital Speaker Amplifier
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCM3793RHB 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
PCM3793RHBR 功能描述:接口—CODEC Very Lo-Pwr 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
PCM3793RHBRG4 功能描述:接口—CODEC Very Lo-Pwr 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
PCM3793RHBT 功能描述:接口—CODEC Very Lo-Pwr 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
PCM3793RHBTG4 功能描述:接口—CODEC Very Lo-Pwr 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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