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AD7982 Datasheet(PDF) 5 Page - Analog Devices

Part No. AD7982
Description  18-Bit, 1 MSPS PulSAR 7 mW ADC in MSOP/LFCSP
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD7982 Datasheet(HTML) 5 Page - Analog Devices

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AD7982
Data Sheet
Rev. D | Page 4 of 25
VDD = 2.5 V, VIO = 1.71 V to 5.5 V, VREF = 5 V, TA = −40°C to +85°C, unless otherwise noted.
Table 3.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
REFERENCE
Voltage Range
2.4
5.1
V
Load Current
1 MSPS, VREF = 5 V
350
μA
SAMPLING DYNAMICS
−3 dB Input Bandwidth
10
MHz
Aperture Delay
VDD = 2.5 V
2
ns
DIGITAL INPUTS
Logic Levels
VIL
VIO > 3 V
–0.3
+0.3 × VIO
V
VIH
VIO > 3 V
0.7 × VIO
VIO + 0.3
V
VIL
VIO ≤ 3 V
–0.3
+0.1 × VIO
V
VIH
VIO ≤ 3 V
0.9 × VIO
VIO + 0.3
V
IIL
−1
+1
μA
IIH
−1
+1
μA
DIGITAL OUTPUTS
Data Format
Serial 18 bits, twos complement
Pipeline Delay
Conversion results available immediately
after completed conversion
VOL
ISINK = +500 μA
0.4
V
VOH
ISOURCE = −500 μA
VIO − 0.3
V
POWER SUPPLIES
VDD
2.375
2.5
2.625
V
VIO
1.71
5.5
V
Standby Current1, 2
VDD and VIO = 2.5 V, 25°C
0.35
μA
Power Dissipation
VDD = 2.625 V, VREF = 5 V, VIO = 3 V
Total
10 kSPS throughput
70
86
μW
1 MSPS throughput
7
8.6
mW
VDD Only
4
mW
REF Only
1.7
mW
VIO Only
1.3
mW
Energy per Conversion
7.0
nJ/sample
TEMPERATURE RANGE3
Specified Performance
TMIN to TMAX
−40
+85
°C
1 With all digital inputs forced to VIO or GND as required.
2 During acquisition phase.
3 Contact an Analog Devices, Inc., sales representative for the extended temperature range.


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