Datasheet

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SBAS253E − MAY 2003 − REVISED JULY 2006
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5
1.5 ELECTRICAL CHARACTERISTICS (continued)
Over recommended operating free-air temperature range at –40_C to +85_C, AV
DD
= 5V, BV
DD
= 3.3V, V
REF
= internal +2.5V, f
CLK
= 16MHz,
f
SAMPLE
= 1 MSPS, unless otherwise noted.
ADS7869I
PARAMETER UNITMAXTYP
(1)
MINCONDITION
Current Sign Comparator
Input Range Lower Voltage of Differential Inputs 0 AV
DD
− 1.8 V
Offset Range ±2 ±20 mV
Hysteresis 10 30 mV
Delay Time 25 150 ns
Window Comparator
Input Range −0.3 AV
DD
+ 0.3 V
Offset Range ±10 ±30 mV
Hysteresis 60 70 80 mV
Delay Time f
CLK
= 16MHz 250 375 ns
Threshold Voltage Input Range (DAIN pin) 0.5 2.5 V
(1) All values are at T
A
= +25_C.
(2) Applies for 5.0V nominal supply: 4.5V < BV
DD
< 5.5V.
(3) Applies for 3.0V nominal supply: 2.7V < BV
DD
< 3.6V.