Datasheet

Data Sheet AD7264
Rev. B | Page 5 of 28
Parameter Min Typ Max Unit Test Conditions/Comments
POWER REQUIREMENTS Digital inputs = 0 V or V
DRIVE
AV
CC
4.75 5.25 V
C
A
_C
B
V
CC
, C
C
_C
D
V
CC
2.7 5.25 V
V
DRIVE
2.7 5.25 V
I
DD
ADC Normal Mode (Static) 20 31.5 mA AV
CC
= 5.25 V
ADC Normal Mode (Dynamic) 23 33.3 mA f
S
= 1 MSPS, AV
CC
= 5.25 V
Shutdown Mode 0.5 1 μA AV
CC
= 5.25 V, ADCs and comparators
powered down
Power Dissipation
ADC Normal Mode (Static)
105
165
mW
ADC Normal Mode (Dynamic) 120 175 mW
Shutdown Mode 2.625 5.25 µW
1
These specifications were determined without the use of the gain calibration feature.
2
See the Terminology section.
3
Samples are tested during initial release to ensure compliance; they are not subject to production testing.
4
For PGA gain = 1, to utilize the full analog input range (V
CM
± V
REF
/2) of the AD7264, the V
CM
voltage should be dropped to lie within a range from 1.95 V to 2.05 V.
5
Refers to Pin V
REF
A or Pin V
REF
B.
6
This specification includes the I
DD
for both comparators. The I
DD
per comparator is the specified value divided by 2.