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AD7482 Datasheet(PDF) 3 Page - Analog Devices

Part # AD7482
Description  3 MSPS, 12-Bit SAR ADC
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7482 Datasheet(HTML) 3 Page - Analog Devices

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AD7482
Rev. B | Page 3 of 20
SPECIFICATIONS
AVDD/DVDD = 5 V ± 5%, AGND = DGND = 0 V, VREF = external, fSAMPLE = 3 MSPS; all specifications TMIN to TMAX and valid for VDRIVE = 2.7 V
to 5.25 V, unless otherwise noted. The operating temperature range is −40°C to +85°C.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DYNAMIC PERFORMANCE1, 2
Signal-to-Noise + Distortion (SINAD)3
71
dB
fIN = 1 MHz
72
dB
fIN = 1 MHz
71
dB
fIN = 1 MHz, internal reference
Total Harmonic Distortion (THD)3
−86
dB
−90
dB
−88
dB
Internal reference
Peak Harmonic or Spurious Noise (SFDR)3
−87
dB
Intermodulation Distortion (IMD)3
Second Order Terms
−96
dB
fIN1 = 95.053 kHz,
fIN2 = 105.329 kHz
Third Order Terms
−94
dB
Aperture Delay
10
ns
Full Power Bandwidth
40
MHz
@ 3 dB
3.5
MHz
@ 0.1 dB
DC ACCURACY
Resolution
12
Bits
Integral Nonlinearity3
±0.5
LSB
B Grade
±0.25
±1
LSB
A Grade
Differential Nonlinearity3
±0.25
±0.5
LSB
Guaranteed no missed codes to
12 bits
Offset Error3
±1.5
LSB
0.036
%FSR
Gain Error3
±1.5
LSB
0.036
%FSR
ANALOG INPUT
Input Voltage
−200
mV
+2.7
V
DC Leakage Current
±1
μA
VIN from 0 V to 2.7 V
±2
μA
VIN = −200 mV
Input Capacitance4
35
pF
REFERENCE INPUT/OUTPUT
Input Voltage, VREFIN
+2.5
V
±1% for specified performance
Input DC Leakage Current, VREFIN
±1
μA
Input Capacitance, VREFIN4
25
pF
Input Current, VREFIN
220
μA
External reference
Output Voltage, VREFOUT
+2.5
V
Error @ 25°C, VREFOUT
±50
mV
Error TMIN to TMAX, VREFOUT
±100
mV
Output Impedance, VREFOUT
1


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