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AD7902 Datasheet(PDF) 5 Page - Analog Devices

Part # AD7902
Description  Dual Pseudo Differential 16-Bit, 1 MSPS PulSAR ADC 12.0 mW in QSOP
PDF  29 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD7902 Datasheet(HTML) 5 Page - Analog Devices

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AD7902
Data Sheet
Rev. B | Page 4 of 28
VDD = 2.5 V, VIO = 2.3 V to 5.5 V, TA = −40°C to +125°C, unless otherwise noted.1
Table 3.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
REFERENCE
Voltage Range
2.4
5.1
V
Load Current
1 MSPS, V
REF = 5 V, each ADC
330
µA
SAMPLING DYNAMICS
−3 dB Input Bandwidth
10
MHz
Aperture Delay
V
DD = 2.5 V
2.0
ns
Aperture Delay Match
V
DD = 2.5 V
2.0
ns
DIGITAL INPUTS
Logic Levels
V
IL
V
IO > 3 V
−0.3
+0.3 × V
IO
V
V
IO ≤ 3 V
−0.3
+0.1 × V
VIO
V
V
IH
V
IO > 3 V
0.7 × V
IO
V
IO + 0.3
V
V
IO ≤ 3 V
0.9 × V
IO
V
IO + 0.3
V
I
IL
−1
+1
µA
I
IH
−1
+1
µA
DIGITAL OUTPUTS
Data Format
Straight binary
Bits
Pipeline Delay
No delay, conversion results available
immediately after conversion is complete
0
Samples
V
OL
I
SINK = 500 µA
0.4
V
V
OH
I
SOURCE = −500 µA
V
IO − 0.3
V
POWER SUPPLIES
VDDx
2.375
2.5
2.625
V
VIOx
Specified performance
2.3
5.5
V
VIOx Range
Full range
1.8
5.5
V
I
VDDx
Each ADC
1.4
1.6
mA
I
VIOx
Each ADC
0.2
0.45
mA
Standby Current2, 3
V
DD and VIO = 2.5 V, 25°C
0.35
µA
Power Dissipation
10 kSPS throughput
140
µW
1 MSPS throughput
12.0
16
mW
VDDx Only
1 MSPS throughput
7.0
mW
REF Only
3.3
mW
VIO Only
1.7
mW
Energy per Conversion
7.0
nJ/sample
TEMPERATURE RANGE4
Specified Performance
T
MIN to TMAX
−40
+125
°C
1 In this data sheet, the voltages for the VDDx, VIOx, and REFx pins are indicated by V
DD, VIO, and VREF, respectively.
2 With all digital inputs forced to VIOx or to ground, as required.
3 During the acquisition phase.
4 Contact Analog Devices, Inc., for the extended temperature range.



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