參數(shù)資料
型號： PCM1737E
英文描述： 24-Bit, 192kHz Sampling Enhanced Multi-Level, Delta-Sigma, Audio DIGITAL-TO-ANALOG CONVERTER
中文描述： 24位192kHz采樣增強(qiáng)的多級，Δ-Σ，音頻數(shù)字模擬轉(zhuǎn)換器
文件頁數(shù)： 7/27頁
文件大?。?/td> 180K
代理商： PCM1737E
15
PCM1737
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Register 16
R/W
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
AT17
AT16
AT15
AT14
AT13
AT12
AT11
AT10
Register 17
R/W
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
AT27
AT26
AT25
AT24
AT23
AT22
AT21
AT20
REGISTER DEFINITIONS
R/W
Read/Write Mode Select
When R/W = 0, a Write operation is performed.
When R/W = 1, a Read operation is performed.
Default Value: 0
ATx[7:0]
Digtial Attenuation Level Setting
Where x = 1 or 2, corresponding to the DAC output VOUTL (x = 1) and VOUTR (x = 2).
These bits are Read/Write.
Default Value: 1111 1111B
Each DAC output (VOUTL and VOUTR) has a digital attenuator associated with it. The attenuator may be set from
0dB to –63dB, in 0.5dB steps. Alternately, the attenuator may be set to infinite attenuation (or mute).
The attenuation data for each channel can be set individually. However, the data load control (ATLD bit of
Control Register 18) is common to both attenuators. ATLD must be set to ‘1’ in order to change an attenuator’s
setting. The attenuation level may be set using the following formula:
Attenuation Level (dB) = 0.5dB (ATx[7:0]DEC – 255)
Where: ATx[7:0]DEC = 0 through 255
For: ATx[7:0]DEC = 0 through 128, the attenuator is set to infinite attenuation.
The following table shows attenuator levels for various settings:
ATx[7:0]
Decimal Value
Attenuator Level Setting
1111 1111B
255
0dB, No Attenuation (default)
1111 1110B
254
–0.5dB
1111 1101B
253
–1.0dB
1000 0010B
130
–62.5dB
1000 0001B
129
–63.0dB
1000 0000B
128
Mute
0000 0000B
0
Mute
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCM1737E/2K 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplg Enh Mltl D-S DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1737E/2KG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplg Enh Mltl D-S DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1737E-1 制造商:Rochester Electronics LLC 功能描述:- Bulk
PCM1737EG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplg Enh Mltl D-S DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
PCM1738 制造商:BB 制造商全稱:BB 功能描述:24-Bit, 192kHz Sampling, Advanced Segment, Audio-Stereo DIGITAL-TO-ANALOG CONVERTER
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