Datasheet

AD7690
Rev. B | Page 4 of 24
VDD = 4.75 V to 5.25 V, VIO = 2.3 V to VDD, V
REF
= VDD, all specifications T
MIN
to T
MAX
, 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
V
IL
−0.3 +0.3 × VIO V
V
IH
0.7 × VIO VIO + 0.3 V
I
IL
−1 +1 μA
I
IH
−1 +1 μA
DIGITAL OUTPUTS
Data Format Serial 18 bits, twos complement
Pipeline Delay
Conversion results available immediately
after completed conversion
V
OL
I
SINK
= +500 μA 0.4 V
V
OH
I
SOURCE
= −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
Standby Current
1, 2
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
TEMPERATURE RANGE
3
Specified Performance T
MIN
to T
MAX
−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.