
AD7690
Rev. B | Page 4 of 24
VDD = 4.75 V to 5.25 V, VIO = 2.3 V to VDD, VREF = VDD, all specifications TMIN to TMAX, unless otherwise noted.
Table 3.
Parameter
Conditions
Min
Typ
Max
Unit
REFERENCE
Voltage Range
0.5
VDD + 0.3
V
Load Current
400 kSPS, REF = 5 V
100
μA
SAMPLING DYNAMICS
3 dB Input Bandwidth
9
MHz
Aperture Delay
VDD = 5 V
2.5
ns
DIGITAL INPUTS
Logic Levels
VIL
0.3
+0.3 × VIO
V
VIH
0.7 × 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
Specified performance
4.75
5.25
V
VIO
Specified performance
2.3
VDD + 0.3
V
VIO Range
1.8
VDD + 0.3
V
VDD and VIO = 5 V, 25°C
1
50
nA
Power Dissipation
VDD = 5 V, 100 SPS throughput
4.25
μW
VDD = 5 V, 100 kSPS throughput
4.25
5
mW
VDD = 5 V, 400 kSPS throughput
17
20
mW
Energy per Conversion
50
nJ/sample
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.