参数资料
型号: AD5744RCSUZ-REEL7
厂商: Analog Devices Inc
文件页数: 29/32页
文件大小: 0K
描述: IC DAC QUAD 14BIT 1LSB 32TQFP
产品培训模块: Data Converter Fundamentals
DAC Architectures
产品变化通告: AD5764(R), AD5744R Product Change 04/Sept/2009
标准包装: 500
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): 387mW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-TQFP
供应商设备封装: 32-TQFP(7x7)
包装: 带卷 (TR)
输出数目和类型: 4 电压,双极
采样率(每秒): *
AD5744R
Data Sheet
Rev. E | Page 6 of 32
AC PERFORMANCE CHARACTERISTICS
AVDD = 11.4 V to 16.5 V, AVSS = 11.4 V to 16.5 V, AGND = DGND = REFGND = PGND = 0 V; REFAB = REFCD = 5 V external;
DVCC = 2.7 V to 5.25 V, RLOAD = 10 kΩ, CL = 200 pF. All specifications TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE1
Output Voltage Settling Time
8
μs
Full-scale step to ±1 LSB
10
μs
2
μs
512 LSB step settling
Slew Rate
5
V/μs
Digital-to-Analog Glitch Energy
8
nV-sec
Glitch Impulse Peak Amplitude
25
mV
Channel-to-Channel Isolation
80
dB
DAC-to-DAC Crosstalk
8
nV-sec
Digital Crosstalk
2
nV-sec
Digital Feedthrough
2
nV-sec
Effect of input bus activity on DAC outputs
Output Noise (0.1 Hz to 10 Hz)
0.025
LSB p-p
Output Noise (0.1 Hz to 100 kHz)
45
μV rms
1/f Corner Frequency
1
kHz
Output Noise Spectral Density
60
nV/√Hz
Measured at 10 kHz
Complete System Output Noise
Spectral Density2
80
nV/√Hz
Measured at 10 kHz
1 Guaranteed by design and characterization; not production tested.
2 Includes noise contributions from integrated reference buffers, 14-bit DAC, and output amplifier.
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