參數(shù)資料
型號(hào)： PCM1792DB
廠商： Texas Instruments
文件頁(yè)數(shù)： 47/61頁(yè)
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(zhǔn)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(yè)面： 903 (CN2011-ZH PDF)
其它名稱： 296-15313-5
PCM1792
SLES069B MARCH 2003 REVISED NOVEMBER 2006
www.ti.com
51
Audio Fields
The audio field is 32 bits in length and the audio data is transferred MSB first, so the other fields must be stuffed with
0s as shown in the following example.
31
16
12
8
7
4 3
0
audio data
MSB
24 bits
LSB
All 0s
TDMCA Register Requirements
TDMCA mode requires device ID and audio channel information, previously described. The OPE bit in register 19
indicates audio channel availability and register 23 indicates the device ID. Register 23 is used only in the TDMCA
mode. See the mode control register map (Table 4).
Register Write/Read Operation
The command supports register write and read operations. If the command requests to read one register, the read
data is transferred on DO during the data phase of the timing cycle. The DI signal can be retrieved at the positive
edge of BCK, and the DO signal is driven at the negative edge of BCK. DO is activated one BCK cycle early to
compensate for the output delay caused by high impedance. Figure 60 shows the TDMCA write and read timing.
BCK
DI
DO
DOEN
(Internal)
1 BCK Early
Read Mode and Proper Register ID
Write Data Retrieved, if Write Mode
Read Data Driven, if Read Mode
Register ID Phase
Data Phase
Figure 60. TDMCA Write and Read Operation Timing
TDMCA-Mode Operation
DCO specifies the owner of the next audio channel in TDMCA-mode operation. When a device retrieves its own audio
channel data, DCO goes HIGH during the last audio channel period. Figure 61 shows the DCO output timing in
TDMCA-mode operation. The host controller ignores the behavior of DCI and DCO. DCO indicates the last audio
channel of each device. Therefore, DCI means the next audio channel is allocated.
If some devices are skipped due to no active audio channel, the skipped devices must notify the next device that the
DCO will be passed through the next DCI. Figure 62 and Figure 63 show DCO timing with skip operation. Figure 64
shows the ac timing of the daisy chain signals.
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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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