参数资料
型号: AD1955ARSZRL
厂商: Analog Devices Inc
文件页数: 7/24页
文件大小: 0K
描述: IC DAC AUDIO 16-24BIT 28SSOP
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 1,500
位数: 16,24
数据接口: 串行
转换器数目: 2
电压电源: 模拟和数字
功率耗散(最大): 210mW
工作温度: -40°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: 带卷 (TR)
输出数目和类型: 4 电流,单极
采样率(每秒): 192k
配用: EVAL-AD1955EBZ-ND - BOARD EVAL FOR AD1955
REV. 0
AD1955
–15–
1/
fS
NOTES
1. DSP MODE DOES NOT IDENTIFY CHANNEL.
2. LRCLK NORMALLY OPERATES AT
fS EXCEPT FOR DSP MODE, WHICH IS 2
fS.
3. BCLK FREQUENCY IS NORMALLY 64
LRCLK BUT MAY BE OPERATED IN BURST MODE.
LRCLK
BCLK
SDATA
LRCLK
BCLK
SDATA
LRCLK
BCLK
SDATA
LRCLK
BCLK
SDATA
LEFT CHANNEL
RIGHT CHANNEL
I2S MODE –16 TO 24 BITS PER CHANNEL
RIGHT-JUSTIFIED MODE – SELECT NUMBER OF BITS PER CHANNEL
LEFT-JUSTIFIED MODE – 16 TO 24 BITS PER CHANNEL
DSP MODE – 16 TO 24 BITS PER CHANNEL
MSB
LSB
Figure 1. Supported Serial Data Formats
tDLS
BCLK
L/
RCLK
SDATA
LEFT-JUSTIFIED
MODE
SDATA
RIGHT-JUSTIFIED
MODE
LSB
SDATA
I2S-JUSTIFIED
MODE
tDBH
tDBP
tDBL
tDDS
MSB
MSB-1
tDDH
tDDS
MSB
tDDH
tDDS
tDDH
MSB
8-BIT CLOCKS
(24-BIT DATA)
12-BIT CLOCKS
(20-BIT DATA)
16-BIT CLOCKS
(16-BIT DATA)
Figure 2. Serial Data Port Timing
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