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EVAL-AD7765EBZ Datasheet(PDF) 4 Page - Analog Devices

Part # EVAL-AD7765EBZ
Description  24-Bit, 156 kSPS, 112 dB 誇-? ADC with On-Chip Buffers and Serial Interface
PDF  32 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

EVAL-AD7765EBZ Datasheet(HTML) 4 Page - Analog Devices

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AD7765
Rev. 0 | Page 4 of 32
Parameter
Test Conditions/Comments
Specification
Unit
DC ACCURACY
Resolution
Guaranteed monotonic to 24 bits
24
Bits
Normal power mode
0.0036
% typ
Integral Nonlinearity
Low power mode
0.0014
% typ
Normal power mode
0.006
% typ
0.03
% max
Including on-chip amplifier
0.04
% typ
Low power mode
0.002
% typ
Zero Error
0.024
% max
0.018
% typ
Gain Error
Including on-chip amplifier
0.04
% typ
Zero Error Drift
0.00006
%FS/°C typ
Gain Error Drift
0.00005
%FS/°C typ
DIGITAL FILTER CHARACTERISTICS
Pass-Band Ripple
0.1
dB typ
Pass Band3
−1 dB frequency
ODR × 0.4016
kHz
−3dB Bandwidth3
ODR × 0.4096
kHz
Stop Band3
Beginning of stop band
ODR × 0.5
kHz
Decimate 128×
120
dB typ
Stop-Band Attenuation
Decimate 256×
115
Group Delay
Decimate 128×
MCLK = 40 MHz
177
μs typ
Decimate 256×
MCLK = 40 MHz
358
μs typ
ANALOG INPUT
Differential Input Voltage
Modulator input pins: VIN(+) − VIN(−), VREF = 4.096 V
±3.2768
V p-p
Input Capacitance
At on-chip differential amplifier inputs
5
pF typ
At modulator inputs
29
pF typ
REFERENCE INPUT/OUTPUT
VREF Input Voltage
AVDD3 = 5 V ± 5%
4.096
V
VREF Input DC Leakage Current
±1
μA max
VREF Input Capacitance
5
pF typ
DIGITAL INPUT/OUTPUT
MCLK Input Amplitude
2.25 to 5.25
V
Input Capacitance
7.3
pF typ
Input Leakage Current
±1
μA/pin max
VINH
0.8 × DVDD
V min
VINL
0.2 × DVDD
V max
VOH4
2.2
V min
VOL
0.1
V max
ON-CHIP DIFFERENTIAL AMPLIFIER
Input Impedance
>1
MΩ
Bandwidth for 0.1 dB Flatness
125
kHz
Common-Mode Input Voltage
Voltage range at input pins: VINA− and VINA+.
−0.5 to +2.2
V
Common-Mode Output Voltage
On-chip differential amplifier pins: VOUT+ and VOUT−
2.048
V
POWER REQUIREMENTS
AVDD1 (Modulator Supply)
±5%
2.5
V
AVDD2 (General Supply)
±5%
5
V
AVDD3 (Differential Amplifier Supply)
±5%
5
V min/max
AVDD4 (Ref Buffer Supply)
±5%
5
V min/max
DVDD
±5%
2.5
V



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