Datasheet

ADS1225
ADS1226
SBAS346C – MAY 2006 – REVISED JANUARY 2009 ....................................................................................................................................................... www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T
A
= – 40 ° C to +105 ° C, AVDD = +5V, DVDD = +3V, and V
REF
= +5V, unless otherwise noted.
ADS1225, ADS1226
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Digital Input/Output
V
IH
0.8 DVDD DVDD + 0.1 V
V
IL
GND – 0.1 0.2 DVDD V
Logic
levels
V
OH
I
OH
= 1mA 0.8 DVDD V
V
OL
I
OL
= 1mA 0.2 DVDD V
Input leakage ± 10 µ A
Power Supply
AVDD 2.7 5.5 V
DVDD 2.7 5.5 V
Shutdown < 1 µ A
AVDD = 5V, converting, buffer off 285 µ A
AVDD current AVDD = 5V, converting, buffer on 405 µ A
AVDD = 3V, converting, buffer off 265 µ A
AVDD = 3V, converting, buffer on 385 µ A
Shutdown < 1 µ A
DVDD current DVDD = 5V, converting 90 µ A
DVDD = 3V, converting 55 µ A
AVDD = 5V, DVDD = 3V, buffer off 1.6 2.5 mW
Total power dissipation
AVDD = DVDD = 3V, buffer off 1 mW
Temperature Range
Specified – 40 +105 ° C
Operating – 55 +125 ° C
Storage – 60 +150 ° C
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Product Folder Link(s): ADS1225 ADS1226