AD7765(Rev0) 查看數據表（PDF） - Analog Devices
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产品描述 (功能)
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AD7765
(Rev.:Rev0)
(Rev.:Rev0)
Analog Devices
AD7765 Datasheet PDF : 32 Pages
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AD7765
Parameter
DC ACCURACY
Resolution
Integral Nonlinearity
Zero Error
Gain Error
Zero Error Drift
Gain Error Drift
DIGITAL FILTER CHARACTERISTICS
Pass-Band Ripple
Pass Band3
−3dB Bandwidth3
Stop Band3
Stop-Band Attenuation
Group Delay
Decimate 128×
Decimate 256×
ANALOG INPUT
Differential Input Voltage
Input Capacitance
REFERENCE INPUT/OUTPUT
VREF Input Voltage
VREF Input DC Leakage Current
VREF Input Capacitance
DIGITAL INPUT/OUTPUT
MCLK Input Amplitude
Input Capacitance
Input Leakage Current
VINH
VINL
VOH 4
VOL
ON-CHIP DIFFERENTIAL AMPLIFIER
Input Impedance
Bandwidth for 0.1 dB Flatness
Common-Mode Input Voltage
Common-Mode Output Voltage
POWER REQUIREMENTS
AVDD1 (Modulator Supply)
AVDD2 (General Supply)
AVDD3 (Differential Amplifier Supply)
AVDD4 (Ref Buffer Supply)
DVDD
Test Conditions/Comments
Guaranteed monotonic to 24 bits
Normal power mode
Low power mode
Normal power mode
Including on-chip amplifier
Low power mode
Including on-chip amplifier
−1 dB frequency
Beginning of stop band
Decimate 128×
Decimate 256×
MCLK = 40 MHz
MCLK = 40 MHz
Modulator input pins: VIN(+) − VIN(−), VREF = 4.096 V
At on-chip differential amplifier inputs
At modulator inputs
AVDD3 = 5 V ± 5%
Voltage range at input pins: VINA− and VINA+.
On-chip differential amplifier pins: VOUT+ and VOUT−
±5%
±5%
±5%
±5%
±5%
Rev. 0 | Page 4 of 32
Specification Unit
24
0.0036
0.0014
0.006
0.03
0.04
0.002
0.024
0.018
0.04
0.00006
0.00005
Bits
% typ
% typ
% typ
% max
% typ
% typ
% max
% typ
% typ
%FS/°C typ
%FS/°C typ
0.1
ODR × 0.4016
ODR × 0.4096
ODR × 0.5
120
115
dB typ
kHz
kHz
kHz
dB typ
177
μs typ
358
μs typ
±3.2768
5
29
V p-p
pF typ
pF typ
4.096
±1
5
V
μA max
pF typ
2.25 to 5.25
7.3
±1
0.8 × DVDD
0.2 × DVDD
2.2
0.1
V
pF typ
μA/pin max
V min
V max
V min
V max
>1
MΩ
125
kHz
−0.5 to +2.2
V
2.048
V
2.5
V
5
V
5
V min/max
5
V min/max
2.5
V
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