参数资料
型号: AD7682BCPZRL7
厂商: Analog Devices Inc
文件页数: 28/32页
文件大小: 0K
描述: IC ADC 16BIT 4CH 250KSPS 20LFCSP
产品培训模块: Power Line Monitoring
产品变化通告: Startup Circuitry Design Improvement Change 15/April/2009
标准包装: 1,500
系列: PulSAR®
位数: 16
采样率(每秒): 250k
数据接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
转换器数目: 1
功率耗散(最大): 21mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-VFQFN 裸露焊盘,CSP
供应商设备封装: 20-LFCSP-VQ
包装: 带卷 (TR)
输入数目和类型: 8 个单端,单极;4 个差分,双极;4 个伪差分,双极
Data Sheet
AD7682/AD7689
Rev. D | Page 5 of 32
AD7689A
AD7682B/AD7689B
Parameter
Conditions/Comments
Min
Typ
Max
Min
Typ
Max
Unit
Total Harmonic Distortion
(THD)
fIN = 20 kHz
97
100
dB
Spurious-Free Dynamic
Range
fIN = 20 kHz
105
110
dB
Channel-to-Channel Crosstalk
fIN = 100 kHz on
adjacent channel(s)
120
125
dB
SAMPLING DYNAMICS
3 dB Input Bandwidth
Full bandwidth
1.7
MHz
Bandwidth
0.425
MHz
Aperture Delay
VDD = 5 V
2.5
ns
1 See the
section.
2 The bandwidth is set in the configuration register.
3 LSB means least significant bit. With the 5 V input range, one LSB is 76.3 μV.
4 See the Terminology section. These specifications include full temperature range variation but not the error contribution from the external reference.
5 With VDD = 5 V, unless otherwise noted.
6 All specifications expressed in decibels are referred to a full-scale input FSR and tested with an input signal at 0.5 dB below full scale, unless otherwise specified.
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