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SBAS341B − DECEMBER 2004 − REVISED APRIL 2005
ELECTRICAL CHARACTERISTICS (continued)
All specifications at T = −40°C to +85°C, AVDD = 5V, DVDD = IOVDD = 3V, f
= 40MHz, External V = +3V, V
REF CM
= +1.45V,
A
CLK
and R
= 37kΩ, unless otherwise noted.
BIAS
ADS1602
TYP
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
Clock Input
Frequency (f
Duty Cycle
)
40
55
MHz
%
CLK
f
= 40MHz
45
CLK
Digital Input/Output
V
V
V
V
0.7 x IOVDD
DGND
IOVDD
V
V
IH
0.3 x IOVDD
IL
I
= 50µA
= 50µA
IOVDD − 0.5
V
OH
OL
OH
I
DGND + 0.5
10
V
OL
Input leakage
DGND < V
< IOVDD
µA
DIGIN
Power-Supply Requirements
AVDD
DVDD
IOVDD
4.75
2.7
5.25
3.3
5.25
125
98
V
V
I
= 50µA
2.7
V
OH
REFEN = low
REFEN = high
IOVDD = 3V
IOVDD = 3V
110
88
25
8
mA
mA
mA
mA
AVDD current (I
)
AVDD
DVDD current (I
)
30
DVDD
IOVDD current (I
)
10
IOVDD
AVDD = 5V, DVDD = 3V,
IOVDD = 3V, REFEN = high
530
10
610
mW
mW
Power dissipation
PD = low, CLK disabled
Temperature Range
Specified
−40
−40
−60
+85
°C
°C
°C
Operating
+105
+150
Storage
5
BB [ BURR-BROWN CORPORATION ]
