Datasheet

LTC15 4 0
3
1540fb
For more information www.linear.com/LTC1540
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
+
= 5V, V
–
= GND = 0V unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Power Supply
V
+
Supply Voltage Range
l
2.0 11.0 V
I
CC
Supply Current IN
–
– IN
+
= 80mV, HYST = REF, C-Grade
IN
–
– IN
+
= 80mV, HYST = REF, I-Grade
l
l
0.3 0.68
0.71
µA
µA
Comparator
V
OS
Comparator Input Offset Voltage V
CM
= 2.5V
LTC1540CMS8/IMS8
l
l
±12
±15
±16
mV
mV
mV
I
IN
Input Leakage Current (IN
+
, IN
–
)
Input Leakage Current (HYST)
V
IN
+
= V
IN
–
= 2.5V
l
l
±0.01
±0.02
±1.0
±1.0
nA
nA
V
CM
Comparator Input Common Mode Range
l
V
–
V
+
– 1.3V V
CMRR Common Mode Rejection Ratio V
–
to V
+
– 1.3V 0.1 1 mV/V
PSRR Power Supply Rejection Ratio V
+
= 2V to 11V 0.1 1 mV/V
V
HYST
Hysteresis Input Voltage Range
l
REF – 50mV REF V
t
PD
Propagation Delay C
OUT
= 100pF Overdrive = 10mV
Overdrive = 100mV
60
50
µs
µs
V
OH
Output High Voltage I
O
= –13mA
l
V
+
– 0.4V V
V
OL
Output Low Voltage I
O
= 1.8mA
l
GND + 0.4V V
Reference
V
REF
Reference Voltage No Load (SO-8)/(DFN) Commercial
MS8 Commercial
(SO-8)/(MS8)/(DFN) Industrial
l
l
l
1.158
1.156
1.152
1.182
1.182
1.182
1.206
1.208
1.212
V
V
V
∆V
REF
Load Regulation 0 ≤ I
SOURCE
≤ 100µA
l
0.5 2.5 mV
0 ≤ I
SINK
≤ 10µA
l
0.5 1.5
5
mV
mV
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