参数资料
型号: AD1934WBSTZ-RL
厂商: Analog Devices Inc
文件页数: 14/28页
文件大小: 0K
描述: IC DAC 8CH W/ON-CHIP PLL 48LQFP
标准包装: 2,000
位数: 24
数据接口: 串行,SPI?
转换器数目: 8
电压电源: 模拟和数字
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 带卷 (TR)
输出数目和类型: 8 电压,单极
采样率(每秒): *
Data Sheet
AD1934
Rev. D | Page 21 of 28
Table 17. PLL and Clock Control 1
Bit
Value
Function
Description
0
PLL clock
DAC clock source select
1
MCLK
1
0
PLL clock
Clock source select
1
MCLK
2
0
Enabled
On-chip voltage reference
1
Disabled
3
0
Not locked
PLL lock indicator (read-only)
1
Locked
7:4
0000
Reserved
DAC CONTROL REGISTERS
Table 18. DAC Control 0
Bit
Value
Function
Description
0
Normal
Power-down
1
Power-down
2:1
00
32 kHz/44.1 kHz/48 kHz
Sample rate
01
64 kHz/88.2 kHz/96 kHz
10
128 kHz/176.4 kHz/192 kHz
11
Reserved
5:3
000
1
SDATA delay (BCLK periods)
001
0
010
8
011
12
100
16
101
Reserved
110
Reserved
111
Reserved
7:6
00
Stereo (normal)
Serial format
01
TDM (daisy chain)
10
DAC aux mode (DAC-, TDM-coupled)
11
Dual-line TDM
Table 19. DAC Control 1
Bit
Value
Function
Description
0
Latch in midcycle (normal)
BCLK active edge (TDM in)
1
Latch in at end of cycle (pipeline)
2:1
00
64 (2 channels)
BCLKs per frame
01
128 (4 channels)
10
256 (8 channels)
11
512 (16 channels)
3
0
Left low
LRCLK polarity
1
Left high
4
0
Slave
LRCLK master/slave
1
Master
5
0
Slave
BCLK master/slave
1
Master
6
0
DBCLK pin
BCLK source
1
Internally generated
7
0
Normal
BCLK polarity
1
Inverted
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