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AD7685
Rev. C | Page 4 of 28
VDD = 2.3 V to 5.5 V, VIO = 2.3 V to VDD, VREF = VDD, TA = –40°C to +85°C, unless otherwise noted.
Table 3.
Parameter
Conditions
Min
Typ
Max
Unit
REFERENCE
Voltage Range
0.5
VDD + 0.3
V
Load Current
250 kSPS, REF = 5 V
50
μA
SAMPLING DYNAMICS
3 dB Input Bandwidth
2
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 16 bits straight binary
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
2.3
5.5
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 = 2.5 V, 100 SPS throughput
1.4
μW
VDD = 2.5 V, 100 kSPS throughput
1.35
2.4
mW
VDD = 2.5 V, 200 kSPS throughput
2.7
4.8
mW
VDD = 5 V, 100 kSPS throughput
4
6
mW
VDD = 5 V, 250 kSPS throughput
10
15
mW
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 sales for extended temperature range.