参数资料
型号: PCM1792DB
厂商: Texas Instruments
文件页数: 19/61页
文件大小: 0K
描述: IC 24BIT AUDIO STEREO DAC 28SSOP
产品培训模块: Data Converter Basics
标准包装: 47
位数: 24
数据接口: I²C,串行,SPI?
转换器数目: 2
电压电源: 模拟和数字
工作温度: -25°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 管件
输出数目和类型: 2 电压,单极
采样率(每秒): 200k
产品目录页面: 903 (CN2011-ZH PDF)
其它名称: 296-15313-5
PCM1792
SLES069B MARCH 2003 REVISED NOVEMBER 2006
www.ti.com
26
MODE CONTROL REGISTERS
User-Programmable Mode Controls
The PCM1792 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 3 lists the available mode-control functions, along with their default reset conditions and associated register
index.
Table 3. 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
×1fS, ×(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
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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PCM1792DB 制造商:Texas Instruments 功能描述:24BIT AUDIO DAC SMD 1792 SSOP28
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PCM1792DBRG4 功能描述:音频数/模转换器 IC 24-Bit 192kHz Smplng Adv Stg Stereo DAC RoHS:否 制造商:Texas Instruments 转换器数量: 分辨率:16 bit 接口类型:I2S, UBS 转换速率: 信噪比:98 dB 工作电源电压:5 V DAC 输出端数量:2 工作温度范围:- 25 C to + 85 C 电源电流:23 mA 安装风格:SMD/SMT 封装 / 箱体:TQFP-32 封装:Reel
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