![](http://datasheet.mmic.net.cn/Analog-Devices-Inc/AD7988-1BRMZ-RL7_datasheet_100528/AD7988-1BRMZ-RL7_4.png)
AD7988-1/AD7988-5
Data Sheet
Rev. D | Page 4 of 24
VDD = 2.5 V, VIO = 2.3 V to 5.5 V, VREF = 5 V, TA = –40°C to +125°C, unless otherwise noted.
Table 3.
Parameter
Test Conditions/Comments
Min
Typ
Max
Unit
REFERENCE
Voltage Range
2.4
5.1
V
Load Current
VREF = 5 V
250
A
SAMPLING DYNAMICS
3 dB Input Bandwidth
10
MHz
Aperture Delay
VDD = 2.5 V
2.0
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
A
IIH
1
+1
A
DIGITAL OUTPUTS
Data Format
Serial 16 bits straight binary
Pipeline Delay
Conversion results available immediately
after completed conversion
VOL
ISINK = 500 A
0.4
V
VOH
ISOURCE = 500 A
VIO 0.3
V
POWER SUPPLIES
VDD
2.375
2.5
2.625
V
VIO
Specified performance
2.3
5.5
V
VIO Range
1.8
5.5
V
VDD and VIO = 2.5 V, 25°C
0.35
nA
VDD = 2.625 V, VREF = 5 V, VIO = 3 V
Total
10 kSPS throughput
70
W
100 kSPS throughput
700
W
1
mW
VDD Only
400
W
REF Only
170
W
VIO Only
130
W
VDD = 2.625 V, VREF = 5 V, VIO = 3 V
Total
500 kSPS throughput
3.5
5
mW
VDD Only
2
mW
REF Only
0.85
mW
VIO Only
0.65
mW
Energy per Conversion
7.0
nJ/sample
TEMPERATURE RANGE
Specified Performance
TMIN to TMAX
40
+125
°C
1
With all digital inputs forced to VIO or GND as required.
2
During the acquisition phase.