參數(shù)資料
型號： DSD1792ADBG4
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： SERIAL INPUT LOADING, 24-BIT DAC, PDSO28
封裝： GREEN, PLASTIC, TSSOP-28
文件頁數(shù)： 14/57頁
文件大?。?/td> 634K
代理商： DSD1792ADBG4
DSD1792A
SLES106B FEBRUARY 2004 REVISED NOVEMBER 2006
www.ti.com
21
yes
MODE CONTROL REGISTERS
User-Programmable Mode Controls
The DSD1792A includes a number of user-programmable functions which are accessed via mode control registers. The
registers are programmed using the serial control interface, which was previously discussed in this data sheet. Table 2 lists
the available mode-control functions, along with their default reset conditions and associated register index.
Table 2. User-Programmable Function Controls
FUNCTION
DEFAULT
REGISTER
BIT
PCM
DSD
DF
BYPASS
Digital attenuation control
0 dB to –120 dB and mute, 0.5 dB/step
0 dB
Register 16
Register 17
ATL[7:0] (for L-ch)
ATR[7:0] (for R-ch)
yes
Attenuation load control—Disabled, enabled
Attenuation disabled
Register 18
ATLD
yes
Input audio data format selection
16-, 20-, 24-bit standard (right-justified) format
24-bit MSB-first left-justified format
16-/24-bit I2S format
24-bit I2S format
Register 18
FMT[2:0]
yes
Sampling rate selection for de-emphasis
Disabled, 44.1 kHz, 48 kHz, 32 kHz
De-emphasis disabled
Register 18
DMF[1:0]
yes
yes(1)
De-emphasis control—Disabled, enabled
De-emphasis disabled
Register 18
DME
yes
Soft mute control—Mute disabled, enabled
Mute disabled
Register 18
MUTE
yes
Output phase reversal—Normal, reverse
Normal
Register 19
REV
yes
Attenuation speed selection
×1 fS, ×(1/2) fS, ×(1/4) fS, ×(1/8) fS
×1 fS
Register 19
ATS[1:0]
yes
DAC operation control—Enabled, disabled
DAC operation enabled
Register 19
OPE
yes
Zero flag pin operation control
DSD data input, zero flag output
DSD data input
Register 19
ZOE
yes
Stereo DF bypass mode select
Monaural, stereo
Monaural
Register 19
DFMS
yes
Digital filter rolloff selection
Sharp rolloff, slow rolloff
Sharp rolloff
Register 19
FLT
yes
Infinite zero mute control
Disabled, enabled
Disabled
Register 19
INZD
yes
System reset control
Reset operation, normal operation
Normal operation
Register 20
SRST
yes
DSD interface mode control
DSD enabled, disabled
Disabled
Register 20
DSD
yes
Digital-filter bypass control
DF enabled, DF bypass
DF enabled
Register 20
DFTH
yes
Monaural mode selection
Stereo, monaural
Stereo
Register 20
MONO
yes
Channel selection for monaural mode data
L-channel, R-channel
L-channel
Register 20
CHSL
yes
Delta-sigma oversampling rate selection
×64 fS, ×128 fS, ×32 fS
×64 fS
Register 20
OS[1:0]
yes
yes(2)
yes
PCM zero output enable
Enabled
Register 21
PCMZ
yes
DSD zero output enable
Disabled
Register 21
DZ[1:0]
yes
Function available only for read
Zero detection flag
Not zero, zero detected
Not zero = 0
Zero detected = 1
Register 22
ZFGL (for L-ch)
ZFGR (for R-ch)
yes
Device ID (at TDMCA)
—
Register 23
ID[4:0]
yes
(1) When in DSD mode, DMF[1:0] is defined as DSD filter (analog FIR) performance selection.
(2) When in DSD mode, OS[1:0] is defined as DSD filter (analog FIR) operation rate selection.
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DSD1792ADBR 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24B 192kHz Sampl Adv Segment Aud St 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
DSD1792ADBRG4 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 24B 192kHz Sampl Adv Segment Aud St 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
DSD1792DB 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
DSD1792DBG4 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
DSD1792DBR 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
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