参数资料
| 型号： | AD5791BRUZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 15/29页 |
| 文件大小： | 0K |
| 描述： | IC DAC 20BIT SRL 20TSSOP |
| 产品变化通告： | AD57x1 Feature Change 27/Jul/2011 |
| 标准包装： | 1 |
| 设置时间： | 1µs |
| 位数： | 20 |
| 数据接口： | DSP，MICROWIRE?，QSPI?，串行，SPI? |
| 转换器数目： | 1 |
| 电压电源： | 双 ± |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 管件 |
| 输出数目和类型： | * |
| 采样率（每秒）： | * |
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Data Sheet
AD5791
Rev. D | Page 21 of 28
Table 9. Hardware Control Pins Truth Table
LDAC
CLR
RESET
Function
0
The AD5791 is in reset mode. The device cannot be programmed.
The AD5791 is returned to its power-on state. All registers are set to their default values.
0
1
The DAC register is loaded with the clearcode register value and the output is set accordingly.
0
1
The output is set according to the DAC register value.
1
0
1
The DAC register is loaded with the clearcode register value and the output is set accordingly.
1
The output is set according to the DAC register value.
0
1
The output remains at the clear code value.
1
The output remains set according to the DAC register value.
0
1
The output remains at the clear code value.
1
The DAC register is loaded with the clearcode register value and the output is set accordingly.
0
1
The DAC register is loaded with the clearcode register value and the output is set accordingly.
1
The output remains at the clear code value
0
1
The output is set according to the DAC register value.
1
X is don’t care.
ON-CHIP REGISTERS
DAC Register
Table 10 outlines how data is written to and read from the DAC register.
Table 10. DAC Register
MSB
LSB
DB23
DB22
DB21
DB20
DB19
DB0
R/W
Register address
DAC register data
R/W
0
1
20-bits of data
The following equation describes the ideal transfer function of the DAC:
(
)
REFN
REFP
OUT
V
D
V
+
×
=
1
220
where:
VREFN is the negative voltage applied at the VREFN input pins.
VREFP is the positive voltage applied at the VREFP input pins.
D is the 20-bit code programmed to the DAC.
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相关代理商/技术参数 |
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| AD5791SRU-EP | 功能描述:数模转换器- DAC 20bit 2LSB Unbuffered Ref EP MILA TEMP RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| AD579JN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| AD579KN | 制造商:AD 制造商全称:Analog Devices 功能描述:VERY FAST, COMPLETE 10- OR 12-BIT A/D CONVERTERS |
| AD579TD | 制造商:AD 制造商全称:Analog Devices 功能描述:VERY FAST, COMPLETE 10- OR 12-BIT A/D CONVERTERS |
| AD579ZJN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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