參數(shù)資料
型號： PCM1792DB
廠商： Texas Instruments
文件頁數(shù)： 36/61頁
文件大?。?/td> 0K
描述： IC 24BIT AUDIO STEREO DAC 28SSOP
產(chǎn)品培訓(xùn)模塊： Data Converter Basics
標(biāo)準包裝： 47
位數(shù)： 24
數(shù)據(jù)接口： I²C，串行，SPI?
轉(zhuǎn)換器數(shù)目： 2
電壓電源： 模擬和數(shù)字
工作溫度： -25°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 28-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 28-SSOP
包裝： 管件
輸出數(shù)目和類型： 2 電壓，單極
采樣率（每秒）： 200k
產(chǎn)品目錄頁面： 903 (CN2011-ZH PDF)
其它名稱： 296-15313-5
PCM1792
SLES069B MARCH 2003 REVISED NOVEMBER 2006
www.ti.com
41
OS[1:0]: Delta-Sigma Modulator Oversampling Rate Selection
Default value: 00
OS[1:0]
Operation Speed Select
00
8 times WDCK (default)
01
4 times WDCK
10
16 times WDCK
11
Reserved
The effective oversampling rate is determined by the oversampling performed by both the external digital filter and
the delta-sigma modulator. For example, if the external digital filter is 8
× oversampling, and the user selects
OS[1:0] = 00, then the delta-sigma modulator oversamples by 8
×, resulting in an effective oversampling rate of 64×.
The 16
× WDCK oversampling rate is not available above a 100-kHz sampling rate. If the oversampling rate selected
is 16
× WDCK, the system clock frequency must be over 256 fS.
APPLICATION FOR DSD FORMAT (DSD MODE) INTERFACE
Bit Clock
DSD Decoder
DATA
5
6
7
BCK
SCK
ZEROL
1
2
3
4
ZEROR
MSEL
LRCK
PCM1792
DATA_R
DATA_L
Figure 43. Connection Diagram in DSD Mode
Feature
This mode is used for interfacing directly to a DSD decoder, which is found in Super Audio CD
t (SACD) applications.
The DSD mode is accessed by programming the following bit in the corresponding control register.
DSD = 1 (register 20)
The DSD mode provides a low-pass filtering function. The filtering is provided using an analog FIR filter structure.
Four FIR responses are available, and are selected by the DMF[1:0] bits of control register 18.
The DSD bit must be set before inputting DSD data; otherwise, the PCM1792 erroneously detects the TDMCA mode,
and commands are not accepted through the serial control interface.
Super Audio CD is a trademark of Sony Kabushiki Kaisha TA Sony Corporation, Japan.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PCM1792DB 制造商:Texas Instruments 功能描述:24BIT AUDIO DAC SMD 1792 SSOP28
PCM1792DBG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng Adv Stg Stereo 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
PCM1792DBR 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng Adv Stg Stereo 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
PCM1792DBRG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24-Bit 192kHz Smplng Adv Stg Stereo 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
PCM1793 制造商:TI 制造商全稱:Texas Instruments 功能描述:24 BIT 192KHZ SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER
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