Datasheet

AD7980 Data Sheet
Rev. C | Page 4 of 28
VDD = 2.5 V, VIO = 2.3 V to 5.5 V, V
REF
= 5 V, T
A
= –40°C to +125°C, unless otherwise noted.
Table 3.
Parameter Conditions Min Typ Max Unit
REFERENCE
Voltage Range 2.4 5.1 V
Load Current 1 MSPS, REF = 5 V 330 µA
SAMPLING DYNAMICS
−3 dB Input Bandwidth 10 MHz
Aperture Delay VDD = 2.5 V 2.0 ns
DIGITAL INPUTS
Logic Levels
V
IL
VIO > 3V –0.3 0.3 × VIO V
V
IH
VIO > 3V 0.7 × VIO VIO + 0.3 V
V
IL
VIO ≤ 3V –0.3 0.1 × VIO
V
IH
VIO ≤ 3V 0.9 × VIO VIO + 0.3 µA
I
IL
−1 +1 µA
I
IH
−1 +1 µA
DIGITAL OUTPUTS
Data Format Serial 16 bits straight binary
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 2.375 2.5 2.625 V
VIO Specified performance 2.3 5.5 V
VIO Range 1.8 5.5 V
Standby Current
1, 2
VDD and VIO = 2.5 V, 25°C 0.35 nA
Power Dissipation
VDD = 2.625 V, V
REF
= 5 V, VIO = 3 V
Total 10 kSPS throughput 70 µW
1 MSPS throughput, B Grade 7.0 9.0 mW
1 MSPS throughput, A Grade 7.0 10 mW
VDD Only 4 mW
REF Only 1.7 mW
VIO Only
1.3
mW
Energy per Conversion 7.0 nJ/sample
TEMPERATURE RANGE
3
Specified Performance
T
MIN
to T
MAX
−40
+125
°C
1
With all digital inputs forced to VIO or GND as required.
2
During the acquisition phase.
3
Contact sales for extended temperature range.