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AD7764 View Datasheet(PDF) - Analog Devices

Part Name
Description
View to exact match
AD7764 Datasheet PDF : 32 Pages
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AD7764
Parameter
Decimate 64×
Normal Power Mode
Dynamic Range
Test Conditions/Comments
MCLK = 40 MHz, ODR = 312.5 kHz, fIN = 1 kHz sine wave
Modulator inputs shorted
Signal-to-Noise Ratio (SNR)2
Differential amplifier inputs shorted
Spurious-Free Dynamic Range (SFDR)
Total Harmonic Distortion (THD)
Intermodulation Distortion (IMD)
Low Power Mode
Dynamic Range
Nonharmonic
Input amplitude = −0.5 dB
Input amplitude = −6 dB
Input amplitude = −6 dB, fIN A = 100.3 kHz, fIN B = 97.3 kHz
Second-order terms
Third-order terms
Modulator inputs shorted
Signal-to-Noise Ratio (SNR)2
Differential amplifier inputs shorted
Input amplitude = −0.5 dB
Spurious-Free Dynamic Range (SFDR)
Total Harmonic Distortion (THD)
Nonharmonic
Input amplitude = −0.5 dB
Input amplitude = −6 dB
DC ACCURACY
Resolution
Integral Nonlinearity
Zero Error
Guaranteed monotonic to 24 bits
Normal power mode
Low power mode
Normal power mode
Including on-chip amplifier
Low power mode
Gain Error
Zero Error Drift
Gain Error Drift
DIGITAL FILTER CHARACTERISTICS
Pass-Band Ripple
Pass Band3
−3 dB Bandwidth3
Stop Band3
Stop-Band Attenuation
Group Delay
Decimate 64×
Decimate 128×
Decimate 256×
ANALOG INPUT
Differential Input Voltage
Input Capacitance
Including on-chip amplifier
−1 dB frequency
Beginning of stop band
Decimate 64× and decimate 128× modes
Decimate 256×
MCLK = 40 MHz
MCLK = 40 MHz
MCLK = 40 MHz
Modulator input pins: VIN(+) − VIN(−), VREF+ = 4.096 V
At on-chip differential amplifier inputs
At modulator inputs
Specification Unit
109
105
107.3
104
102.7
130
−105
−103
−118
−108
106
105
105.3
103
102
110
−105
−111
−100
24
0.0036
0.0014
0.006
0.03
0.04
0.002
0.024
0.018
0.04
0.00006
0.00005
dB typ
dB min
dB typ
dB typ
dB min
dBFS typ
dB typ
dB typ
dB
dB
dB typ
dB min
dB typ
dB min
dBFS typ
dB typ
dB typ
dB max
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
dB typ
89
μs typ
177
μs typ
358
μs typ
±3.2768
5
29
V p-p
pF typ
pF typ
Rev. 0 | Page 4 of 32
 

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