参数资料
型号: AD7991YRJZ-0RL
厂商: Analog Devices Inc
文件页数: 24/28页
文件大小: 0K
描述: IC ADC 12BIT 4CH I2C SOT23-8
产品变化通告: AD7991,5,9 Offset Error Change 17/Sept/2010
设计资源: Using AD8599 as an Ultralow Distortion Driver for the AD7991 (CN0043)
标准包装: 10,000
位数: 12
采样率(每秒): 1M
数据接口: I²C,串行
转换器数目: 1
功率耗散(最大): 4.68mW
电压电源: 单电源
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: SOT-23-8
供应商设备封装: SOT-23-8
包装: 带卷 (TR)
输入数目和类型: 4 个单端,单极
配用: EVAL-AD7991EBZ-ND - BOARD EVAL FOR AD7991
AD7991/AD7995/AD7999
Rev. B | Page 5 of 28
The temperature range for the Y version is 40°C to +125°C. Unless otherwise noted, VDD = 2.7 V to 5.5 V, VREF = 2.5 V, fSCL = 3.4 MHz,
and TA = TMIN to TMAX.
Table 3.
A Version2
Y Version
Parameter
Typ
Max
Min
Typ
Max
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE3, 4
See the
section, fIN = 10 kHz sine wave for fSCL from
1.7 MHz to 3.4 MHz
fIN = 1 kHz sine wave for fSCL up to 400 kHz
Signal-to-Noise and
Distortion (SINAD)5
61.5
61
dB
Total Harmonic Distortion
85
75
dB
Peak Harmonic or Spurious
Noise (SFDR)5
85
76
dB
Intermodulation
Distortion (IMD)5
fa = 11 kHz, fb = 9 kHz for fSCL from 1.7 MHz to
3.4 MHz
fa = 5.4 kHz, fb = 4.6 kHz for fSCL up to 400 kHz
Second-Order Terms
90
dB
Third-Order Terms
86
dB
Channel-to-Channel
90
dB
fIN = 10 kHz
Full-Power Bandwidth5
14
MHz
@ 3 dB
1.5
MHz
@ 0.1 dB
DC ACCURACY3, 6
Resolution
10
Bits
Integral Nonlinearity5
±0.4
LSB
Differential Nonlinearity5
±0.4
LSB
Offset Error5
±1
±2.25
LSB
Guaranteed no missed codes to 10 bits
Offset Error Matching
±0.04
±0.2
LSB
Offset Temperature Drift
4.13
ppm/°C
Gain Error5
±0.15
±0.5
LSB
Gain Error Matching
±0.06
±0.25
LSB
Gain Temperature Drift
0.50
ppm/°C
ANALOG INPUT
Input Voltage Range
0
VREF
0
VREF
V
VREF = VIN3/VREF or VDD
DC Leakage Current
±1
μA
Input Capacitance
34
pF
Channel 0 to Channel 2—during acquisition
phase
4
pF
Channel 0 to Channel 2—outside acquisition
phase
35
pF
Channel 3—during acquisition phase
5
pF
Channel 3—outside acquisition phase
REFERENCE INPUT
VREF Input Voltage Range
1.2
VDD
1.2
VDD
V
DC Leakage Current
±1
μA
VREF Input Capacitance
5
pF
Outside conversion phase
35
pF
During conversion phase
Input Impedance
69
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