ꢇꢍ ꢚꢛ ꢀ ꢀ ꢁ
www.ti.com
SBAS286A − JUNE 2003 − REVISED MARCH 2004
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T = −40°C to +85°C, AVDD = +5V, DVDD = +5V, f
= 2MHz, and V = +2.5V, unless otherwise noted.
REF
A
CLK
PARAMETER
Digital Input/Output
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
V
V
V
0.8 DVDD
GND − 0.1
0.8 DVDD
DVDD + 0.1
0.2 DVDD
V
V
IH
Logic
levels
IL
I
I
= 1mA
= 1mA
V
OH
OL
OH
OL
0.2 DVDD
V
Input leakage
10
8
µA
MHz
%
CLK frequency (f
CLK duty cycle
Power Supply
AVDD
)
CLK
30
70
2.7
2.7
5.5
5.5
V
V
DVDD
Standby mode
< 1
285
405
265
385
< 1
20
µA
µA
µA
µA
µA
µA
µA
µA
mW
mW
AVDD = 5V, normal mode, buffer off
AVDD = 5V, normal mode, buffer on
AVDD = 3V, normal mode, buffer off
AVDD = 3V, normal mode, buffer on
Standby mode
AVDD current
DVDD current
DVDD = 5V, normal mode
DVDD = 3V, normal mode
10
AVDD = DVDD = 5V, buffer off
AVDD = DVDD = 3V, buffer off
1.5
0.8
2.25
Total power dissipation
Temperature Range
Specified
−40
−55
−60
+85
+125
+150
°C
°C
°C
Operating
Storage
(1)
(2)
(3)
SPS = samples per second.
FSR = full-scale range = 4V
REF
It will not be possible to reach the digital output full-scale code when V
.
> AVDD/2.
REF
4
BB [ BURR-BROWN CORPORATION ]
