参数资料
型号: AD1852JRSZ
厂商: Analog Devices Inc
文件页数: 19/20页
文件大小: 0K
描述: IC DAC STEREO 24BIT 5V 28-SSOP
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 47
位数: 24
数据接口: DSP,I²S,串行,SPI?
转换器数目: 2
电压电源: 模拟和数字
功率耗散(最大): 265mW
工作温度: 0°C ~ 70°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: 4 电压,单极
采样率(每秒): 192k
产品目录页面: 781 (CN2011-ZH PDF)
AD1852
Rev. A | Page 8 of 20
Pin No.
Mnemonic
Input/Output
Description
25
LRCLK
I
Left/Right Clock Input for Serial Audio Data Input Port. This pin must run continuously.
26
BCLK
I
Bit Clock Input for Serial Audio Data Input Port. This pin need not run continuously; may be
gated or used in a burst fashion.
27
SDATA
I
Serial Audio Data Input, MSB First. Input for the serial audio data stream is as described the
28
DVDD
I
Digital Power Supply. Connect this pin to the digital 5 V supply.
Table 12. Serial Data Input Mode
IDPM1 (Pin 20)
IDPM0 (Pin 21)
Serial Data Input Format
0
Right justified
0
1
I2S compatible
1
0
Left justified
1
DSP
LEFT CHANNEL
RIGHT CHANNEL
LSB
MSB–2
LSB+2 LSB+1
MSB–1
MSB–2
MSB–1
MSB
LSB+2 LSB+1
LSB
MSB
LSB
BCLK
INPUT
SDATA
INPUT
LRCLK
INPUT
0
845
7-
0
03
Figure 3. Right-Justified Mode
MSB–2
MSB–1
MSB
LSB+2 LSB+1
LSB
LEFT CHANNEL
RIGHT CHANNEL
BCLK
INPUT
SDATA
INPUT
LRCLK
INPUT
MSB
LSB
MSB–2
LSB+2 LSB+1
MSB–1
MSB
08
457
-004
Figure 4. I2S-Justified Mode
LEFT CHANNEL
RIGHT CHANNEL
BCLK
INPUT
SDATA
INPUT
LRCLK
INPUT
MSB–2
MSB–1
MSB
LSB+2
LSB+1
LSB
MSB
MSB–1
LSB
MSB–2
LSB+2
LSB+1
MSB–1
MSB
08
457
-005
Figure 5. Left-Justified Mode
LEFT CHANNEL
RIGHT CHANNEL
BCLK
INPUT
SDATA
INPUT
LRCLK
INPUT
MSB–1
MSB
LSB+2
LSB+1
LSB
MSB
MSB–1
LSB
LSB+2 LSB+1
MSB–1
MSB
08
45
7
-00
6
Figure 6. Left-Justified DSP Mode
LEFT CHANNEL
RIGHT CHANNEL
MSB
LSB
MSB–1
MSB–2
LSB+2
LSB+1
MSB–1
MSB–2
MSB
LSB
LSB+2
LSB+1
MSB–1
LSB
MSB
BCLK
INPUT
SDATA
INPUT
LRCLK
INPUT
0
845
7-
00
7
Figure 7. 32 × fS Packed Mode
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