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参数资料
| 型号： | DAC7631EB |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | DAC |
| 英文描述： | SERIAL INPUT LOADING, 8 us SETTLING TIME, 16-BIT DAC, PDSO20 |
| 封装： | GREEN, SSOP-20 |
| 文件页数： | 3/22页 |
| 文件大小： | 600K |
| 代理商： | DAC7631EB |
11
DAC7631
TYPICAL PERFORMANCE CURVES: VSS = –5V (Cont.)
At TA = +25°C, VDD = VCC = +5V, VSS = –5V, VREFH = +2.5V, and VREFL = –2.5V, representative unit, unless otherwise specified.
Time (2
s/div)
OUTPUT VOLTAGE vs SETTLING TIME
(+2.5V to –2.5V)
Output
Voltage
Large-Signal Settling Time: 1V/div
Small-Signal Settling Time:
2LSB/div
+5V
LDAC
0
THEORY OF OPERATION
The DAC7631 is a 16-bit voltage-output Digital-to-Analog
Converter (DAC). The architecture is an R-2R ladder con-
figuration with the three MSB’s segmented, followed by an
operational amplifier that serves as a buffer, as shown in
Figure 1. The minimum voltage output (zero-scale) and
maximum voltage output (full-scale) are set by external
voltage references at VREFL and VREFH, respectively.
The digital input is a 16-bit serial word representing the
16-bit DAC input code, sent MSB first. The DAC7631 can
be powered from either a single +5V supply or a dual
±5V
supply. The device offers a reset function which immedi-
ately sets the output voltage and DAC register to mid-scale
code (8000H) or to zero-scale code (0000H). See Figures 2
and 3 for the basic operation of the DAC7631.
R
2R
V
REFH
V
OUT
V
OUT Sense
V
REFH Sense
V
REFL
V
REFL Sense
R
F
FIGURE 1. DAC7631 Architecture.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DAC7631EB | 制造商:Texas Instruments 功能描述:IC 16BIT DAC SERIAL SMD |
| DAC7631EB/1K | 功能描述:数模转换器- DAC Serial Input 16-Bit Voltage Output 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 |
| DAC7631EB/1KG4 | 功能描述:数模转换器- DAC Serial Input 16-Bit Voltage Output 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 |
| DAC7631EB1K | 制造商:BB 制造商全称:BB 功能描述:Serial Input, 16-Bit, Voltage Output DIGITAL-TO-ANALOG CONVERTER |
| DAC7631EBG4 | 功能描述:数模转换器- DAC Serial Input 16-Bit Voltage Output 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 |
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