参数资料
型号: AD7834AR
厂商: Analog Devices Inc
文件页数: 24/28页
文件大小: 0K
描述: IC DAC 14BIT QUAD SRL 28-SOIC
产品培训模块: Data Converter Fundamentals
DAC Architectures
标准包装: 1
设置时间: 10µs
位数: 14
数据接口: 串行
转换器数目: 4
电压电源: 模拟和数字,双 ±
功率耗散(最大): 465mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.295",7.50mm 宽)
供应商设备封装: 28-SOIC W
包装: 管件
输出数目和类型: 4 电压,单极;4 电压,双极
采样率(每秒): 100k
AD7834/AD7835
Rev. D | Page 5 of 28
AC PERFORMANCE CHARACTERISTICS
These characteristics are included for design guidance and are not subject to production testing.
Table 3.
Parameter
A
B
S
Unit (typ)
Test Conditions/Comments
DYNAMIC PERFORMANCE
Output Voltage Settling Time
10
μs
Full-scale change to ±1/2 LSB. DAC latch contents
alternately loaded with all 0s and all 1s.
Digital-to-Analog Glitch Impulse
120
nV-s
Measured with VREF(+) = VREF() = 0 V. DAC latch
alternately loaded with all 0s and all 1s.
DC Output Impedance
0.5
Ω
See the Terminology section.
Channel-to-Channel Isolation
100
dB
See the Terminology section; applies to the AD7835 only.
DAC-to-DAC Crosstalk
25
nV-s
See the Terminology section.
Digital Crosstalk
3
nV-s
Feedthrough to DAC output under test due to change in
digital input code to another converter.
Digital Feedthrough—AD7834
0.2
nV-s
Effect of input bus activity on DAC output under test.
Digital Feedthrough—AD7835
1.0
nV-s
Output Noise Spectral Density at 1 kHz
40
nV/√Hz
All 1s loaded to DAC. VREF(+) = VREF() = 0 V.
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