Datasheet

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SBAS286C − JUNE 2003 − REVISED JANUARY 2009
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4
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T
A
= −40°C to +85°C, AVDD = +5V, DVDD = +5V, f
CLK
= 2MHz, and V
REF
= +2.5V, unless otherwise noted.
PARAMETER UNITMAXTYPMINTEST CONDITIONS
Digital Input/Output
V
IH
0.8 DVDD DVDD + 0.1 V
Logic
V
IL
GND − 0.1 0.2 DVDD V
Logic
levels
V
OH
I
OH
= 1mA 0.8 DVDD V
levels
V
OL
I
OL
= 1mA 0.2 DVDD V
Input leakage ±10 µA
CLK frequency (f
CLK
) 8 MHz
CLK duty cycle 30 70 %
Power Supply
AVDD 2.7 5.5 V
DVDD 2.7 5.5 V
Standby mode < 1 µA
AVDD = 5V, normal mode, buffer off 285 µA
AVDD current
AVDD = 5V, normal mode, buffer on 405 µA
AVDD current
AVDD = 3V, normal mode, buffer off 265 µA
AVDD = 3V, normal mode, buffer on 385 µA
Standby mode < 1 µA
DVDD current
DVDD = 5V, normal mode 20 µA
DVDD current
DVDD = 3V, normal mode 10 µA
Total power dissipation
AVDD = DVDD = 5V, buffer off 1.5 2.25 mW
Total power dissipation
AVDD = DVDD = 3V, buffer off 0.8 mW
Temperature Range
Specified −40 +85 °C
Operating −55 +125 °C
Storage −60 +150 °C
(1)
SPS = samples per second.
(2)
FSR = full-scale range = 4V
REF
.
(3)
It will not be possible to reach the digital output full-scale code when V
REF
> AVDD/2.