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SBAS288D − JUNE 2003 − REVISED AUGUST 2004
ELECTRICAL CHARACTERISTICS (continued)
All specifications at −40°C to +85°C, AVDD = +5V, DVDD = +1.8V, f
= 7.68MHz, PGA = 1, and V
= +2.5V, unless otherwise noted.
CLKIN
REF
TYP
PARAMETER
Power-Supply
TEST CONDITIONS
MIN
MAX
UNIT
AVDD
DVDD
4.75
1.8
5.25
3.6
2
V
V
Power-down mode
Standby mode
µA
µA
mA
mA
mA
mA
µA
20
7
Normal mode, PGA = 1, Buffer off
Normal mode, PGA = 64, Buffer off
Normal mode, PGA = 1, Buffer on
Normal mode, PGA = 64, Buffer on
Power-down mode
10
22
19
50
2
AVDD current
16
13
36
Standby mode, CLKOUT off,
DVDD = 3.3V
95
µA
DVDD current
Normal mode, CLKOUT off,
DVDD = 3.3V
0.9
2
mA
Normal mode, PGA = 1, Buffer off,
DVDD = 3.3V
38
57
mW
mW
Power dissipation
Standby mode, DVDD = 3.3V
0.4
Temperature Range
Specified
−40
−40
−60
+85
+105
+150
°C
°C
°C
Operating
Storage
(1)
(2)
(3)
(4)
(5)
See text for more information on input impedance.
SPS = samples per second.
FSR = full-scale range = 4V
/PGA.
REF
is the frequency of the common-mode input signal.
f
CM
Placing a notch of the digital filter at 60Hz (setting f
common-moderejection of this frequency.
= 60SPS, 30SPS, 15SPS, 10SPS, 5SPS, or 2.5SPS) will further improve the
DATA
(6)
The reference input range with Buffer on is restricted only if self-calibration or gain self-calibration is to be used. If using system calibration or
writing calibration values directly to the registers, the entire Buffer off range can be used.
4
BB [ BURR-BROWN CORPORATION ]
