AD7988-1 Analog Devices, AD7988-1 Datasheet - Page 4

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AD7988-1

Manufacturer Part Number
AD7988-1
Description
16-Bit, 100ksps, Ultra Low Power 16-Bit SAR ADC
Manufacturer
Analog Devices
Datasheet

Specifications of AD7988-1

Resolution (bits)
16bit
# Chan
1
Sample Rate
100kSPS
Interface
Ser,SPI
Analog Input Type
Diff-Uni
Ain Range
(Vref) p-p,5V p-p,Uni (Vref),Uni 5.0V
Pkg Type
SOP

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AD7988-1/AD7988-5
VDD = 2.5 V, VIO = 2.3 V to 5.5 V, V
Table 3.
Parameter
REFERENCE
SAMPLING DYNAMICS
DIGITAL INPUTS
DIGITAL OUTPUTS
POWER SUPPLIES
TEMPERATURE RANGE
1
2
With all digital inputs forced to VIO or GND as required.
During the acquisition phase.
Voltage Range
Load Current
−3 dB Input Bandwidth
Aperture Delay
Logic Levels
Data Format
Pipeline Delay
VDD
VIO
VIO Range
Standby Current
AD7988-1
AD7988-5
Energy per Conversion
Specified Performance
V
V
V
V
I
I
V
V
IL
IH
IL
IH
IL
IH
OL
OH
Power Dissipation
Power Dissipation
1, 2
Test Conditions/Comments
V
VDD = 2.5 V
VIO > 3 V
VIO > 3 V
VIO ≤ 3 V
VIO ≤ 3 V
I
I
Specified performance
VDD and VIO = 2.5 V, 25°C
10 kSPS throughput
100 kSPS throughput
500 kSPS throughput
T
SINK
SOURCE
MIN
REF
REF
= 500 µA
= 5 V
to T
= 5 V, T
= −500 µA
MAX
A
= –40°C to +125°C, unless otherwise noted.
Rev. A | Page 4 of 24
Min
2.4
–0.3
0.7 × VIO
–0.3
0.9 × VIO
−1
−1
VIO − 0.3
2.375
2.3
1.8
−40
Conversion results available immediately
Serial 16 bits straight binary
after completed conversion
Typ
250
10
2.0
2.5
0.35
70
700
3.5
7.0
Max
5.1
0.3 × VIO
VIO + 0.3
0.1 × VIO
VIO + 0.3
+1
+1
0.4
2.625
5.5
5.5
+125
Data Sheet
Unit
V
µA
MHz
ns
V
V
V
V
µA
µA
V
V
V
V
V
nA
µW
µW
mW
nJ/sample
°C

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