AD7912 Analog Devices, AD7912 Datasheet - Page 4
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AD7912
Manufacturer Part Number
AD7912
Description
2-Channel, 2.35 V to 5.25 V, 1 MSPS, 10-Bit A/D Converter
Manufacturer
Analog Devices
Datasheet
1.AD7912.pdf
(32 pages)
Specifications of AD7912
Resolution (bits)
10bit
# Chan
2
Sample Rate
1MSPS
Interface
Ser,SPI
Analog Input Type
SE-Uni
Ain Range
Uni Vdd
Adc Architecture
SAR
Pkg Type
SOP,SOT
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AD7912/AD7922
Parameter
CONVERSION RATE
POWER REQUIREMENTS
1
2
3
4
Operational from V
See the Terminology section.
Guaranteed by characterization.
See the Power vs. Throughput Rate section.
Conversion Time
Track-and-Hold Acquisition Time
Throughput Rate
V
I
Power Dissipation
DD
DD
Normal Mode (Static)
Normal Mode (Operational)
Full Power-Down Mode (Static)
Full Power-Down Mode (Dynamic)
Normal Mode (Operational)
Full Power-Down
DD
= 2 V, with V
4
IH
= 1.9 V minimum and V
2
IL
A Grade
777
290
1
2.35/5.25
3
1.5
4
2
1
0.48
0.26
20
6
5
= 0.1 V maximum.
1
Rev. 0 | Page 4 of 32
Unit
ns max
ns max
MSPS max
V min/max
mA typ
mA typ
mA max
mA max
µA max
mA typ
mA typ
mW max
mW max
µW max
Test Conditions/Comments
Digital I/Ps = 0 V or V
V
V
V
V
SCLK on or off, typically 50 nA
V
V
V
V
V
14 SCLK cycles with SCLK at 18 MHz
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 4.75 V to 5.25 V, SCLK on or off
= 2.35 V to 3.6 V, SCLK on or off
= 4.75 V to 5.25 V, f
= 2.35 V to 3.6 V, f
= 5 V, f
= 3 V, f
= 5 V, f
= 3 V, f
= 5 V
SCLK
SCLK
SAMPLE
SAMPLE
= 18 MHz, f
= 18 MHz, f
= 1 MSPS
= 1 MSPS
DD
SAMPLE
SAMPLE
SAMPLE
SAMPLE
= 1 MSPS
= 1 MSPS
= 100 kSPS
= 100 kSPS