参数资料
型号: AD5370BSTZ
厂商: Analog Devices Inc
文件页数: 17/29页
文件大小: 0K
描述: IC DAC 16BIT 40CH SERIAL 64-LQFP
产品培训模块: Data Converter Fundamentals
DAC Architectures
设计资源: 40 Channels of Programmable Output Span Using AD5371 (CN0149)
标准包装: 1
设置时间: 20µs
位数: 16
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 40
电压电源: 双 ±
功率耗散(最大): 610mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘
输出数目和类型: 40 电压,单极;40 电压,双极
AD5370
Rev. 0 | Page 23 of 28
SPECIAL FUNCTION MODE
If the mode bits are 00, the special function mode is selected, as shown in Table 12. Bit I21 to Bit I16 of the serial data-word select the special
function, and the remaining bits are data required for execution of the special function, for example, the channel address for data readback.
The codes for the special functions are shown in Table 13. Table 14 shows the addresses for data readback.
Table 12. Special Function Mode
I23
I22
I21
I20
I19
I18
I17
I16
I15
I14
I13
I12
I11
I10
I9
I8
I7
I6
I5
I4
I3
I2
I1
I0
0
S5
S4
S3
S2
S1
S0
F15
F14
F13
F12
F11
F10
F9
F8
F7
F6
F5
F4
F3
F2
F1
F0
Table 13. Special Function Codes
Special Function Code
S5
S4
S3
S2
S1
S0
Data (F15 to F0)
Action
0
0000 0000 0000 0000
NOP.
0
1
XXXX XXXX XXXX X [F2:F0]
Write to the Control register.
F4 = overtemperature indicator (read-only bit). This bit should be 0 when
writing to the Control register.
F3 = reserved. This bit should be 0 when writing to the Control register.
F2 = 1: select register X1B for input.
F2 = 0: select register X1A for input.
F1 = 1: enable temperature shutdown.
F1 = 0: disable temperature shutdown.
F0 = 1: soft power-down.
F0 = 0: soft power-up.
0
1
0
XX[F13:F0]
Write data in F13:F0 to OFS0 register.
0
1
XX[F13:F0]
Write data in F13:F0 to OFS1 register.
0
1
0
Reserved
Reserved.
0
1
0
1
Select register for readback.
0
1
0
XXXX XXXX [F7:F0]
Write data in F7:F0 to A/B Select Register 0.
0
1
XXXX XXXX [F7:F0]
Write data in F7:F0 to A/B Select Register 1.
0
1
0
XXXX XXXX [F7:F0]
Write data in F7:F0 to A/B Select Register 2.
0
1
0
1
XXXX XXXX [F7:F0]
Write data in F7:F0 to A/B Select Register 3.
0
1
0
1
0
XXXX XXXX [F7:F0]
Write data in F7:F0 to A/B Select Register 4.
0
1
0
1
XXXX XXXX [F7:F0]
Block write A/B select registers.
F7:F0 = 0, write all 0s (all channels use X2A register).
F7:F0 = 1, write all 1s (all channels use X2B register).
0
1
0
Reserved
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