参数资料
型号: AD7701ARZ-REEL
厂商: Analog Devices Inc
文件页数: 12/20页
文件大小: 0K
描述: IC ADC 16BIT LC2MOS 20SOIC
标准包装: 1,000
位数: 16
采样率(每秒): 4k
数据接口: 串行
转换器数目: 1
功率耗散(最大): 37mW
电压电源: 模拟和数字,双 ±
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
供应商设备封装: 20-SOIC W
包装: 带卷 (TR)
输入数目和类型: 1 个单端,单极;1 个单端,双极
REV. E
–2–
AD7701–SPECIFICATIONS
Parameter
A, S Version
2
B, T Version
2
Unit
Test Conditions/Comments
STATIC PERFORMANCE
Resolution
16
Bits
Integral Nonlinearity
TMIN to TMAX
±0.0007
% FSR typ
±0.003
±0.0015
% FSR max
Differential Nonlinearity
TMIN to TMAX
±0.125
LSB typ
Guaranteed No Missing Codes
±0.5
LSB max
Positive Full-Scale Error3
±0.13
LSB typ
±0.5
LSB max
Full-Scale Drift4
±1.2 (±2.3 S Version)
±1.2 (±2.3 T Version)
LSB typ
Unipolar Offset Error
3
±0.25
LSB typ
±1
LSB max
Unipolar Offset Drift
4
±1.6 (+3/–25 S Version)
±1.6 (+3/–25 T Version)
LSB typ
Bipolar Zero Error3
±0.25
LSB typ
±1
± 1
LSB max
Bipolar Zero Drift4
±0.8 (+1.5/–12.5 S Version)
±0.8 (+1.5/–12.5 T Version)
LSB typ
Bipolar Negative Full-Scale Error
3
±0.5
LSB typ
±2
LSB max
Bipolar Negative Full-Scale Drift
4
±0.6 (±1.2 S Version)
±0.6 (±1.2 T Version)
LSB typ
Noise (Referred to Output)
0.1
LSB rms typ
DYNAMIC PERFORMANCE
Sampling Frequency, fS
fCLKIN/256
Hz
Output Update Rate, fOUT
fCLKIN/1024
Hz
Filter Corner Frequency, f–3 dB
fCLKIN/409,600
Hz
Settling Time to
±0.0007% FS
507904/fCLKIN
sec
For Full-Scale Input Step
SYSTEM CALIBRATION
Applies to unipolar and
Positive Full-Scale Overrange
VREF + 0.1
V max
bipolar ranges. After cali-
Positive Full-Scale Overrange
VREF + 0.1
V max
bration, if AIN > VREF, the
Negative Full-Scale Overrange
–(VREF + 0.1)
V max
device will output all 1s.
Maximum Offset Calibration Range
5, 6
If AIN < 0 (unipolar) or
Unipolar Input Range
–(VREF + 0.1)
V max
–VREF (bipolar), the device
Bipolar Input Range
–0.4 VREF to +0.4 VREF
V max
will output all 0s.
Input Span7
0.8 VREF
V min
2 VREF + 0.2
V max
ANALOG INPUT
Unipolar Input Range
0 to 2.5
V
Bipolar Input Range
±2.5
V
Input Capacitance
10
pF typ
Input Bias Current
1
11
nA typ
LOGIC INPUTS
All Inputs Except CLKIN
VINL, Input Low Voltage
0.8
V max
VINH, Input High Voltage
2.0
V min
CLKIN
VINL, Input Low Voltage
0.8
V max
VINH, Input High Voltage
3.5
V min
IIN, Input Current
10
A max
LOGIC OUTPUTS
VOL, Output Low Voltage
0.4
V max
ISINK = 1.6 mA
VOH, Output High Voltage
DVDD – 1
V min
ISOURCE = 100
A
Floating State Leakage Current
±10
A max
Floating State Output Capacitance
9
pF typ
(TA = 25 C; AVDD = DVDD = +5 V; AVSS = DVSS = –5 V; VREF = +2.5 V; fCLKIN = 4.096 MHz;
Bipolar Mode: MODE = +5 V; AIN Source Resistance = 1k
1 with 1 nF to AGND at A
IN; unless otherwise noted.)
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