参数资料
型号: PCM1792DB
厂商: Texas Instruments
文件页数: 35/61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
40
DATA
t(BCH)
50% of VDD
BCK
WDCK
(LRCK)
t(BCL)
t(LB)
t(BCY)
t(DS)
t(DH)
50% of VDD
t(BL)
PARAMETER
MIN
MAX
UNITS
t(BCY) BCK pulse cycle time
20
ns
t(BCL) BCK pulse duration, LOW
7
ns
t(BCH) BCK pulse duration, HIGH
7
ns
t(BL)
BCK rising edge to WDCK falling edge
5
ns
t(LB)
WDCK falling edge to BCK rising edge
5
ns
t(DS)
DATA setup time
5
ns
t(DH)
DATA hold time
5
ns
Figure 42. Audio Interface Timing for External Digital Filter (Internal DF Bypass Mode) Application
Functions Available in the External Digital Filter Mode
The external digital filter mode allows access to the majority of the PCM1792 mode control functions.
The following table shows the register mapping available when the external digital filter mode is selected, along with
descriptions of functions which are modified when using this mode selection.
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Register 16
R/W
0
1
0
Register 17
R/W
0
1
0
1
Register 18
R/W
0
1
0
1
0
FMT2
FMT1
FMT0
Register 19
R/W
0
1
0
1
REV
OPE
DFMS
INZD
Register 20
R/W
0
1
0
1
0
SRST
0
1
MONO
CHSL
OS1
OS0
Register 21
R/W
0
1
0
1
0
1
PCMZ
Register 22
R
0
1
0
1
0
ZFGR
ZFGL
NOTE: 1: Bit is required for selection of external digital filter mode.
:Function is disabled. No operation even if data bit is set
FMT[2:0]: Audio Data Format Selection
Default value: 000
FMT[2:0]
Audio Data Format Select
000
16-bit right-justified format (default)
001
20-bit right-justified format
010
24-bit right-justified format
Other
N/A
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PCM1792DB 制造商:Texas Instruments 功能描述:24BIT AUDIO DAC SMD 1792 SSOP28
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