Datasheet

3
LTC1541/LTC1542
15412fd
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 5V, V
SS
= 0V, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
Power Supply
V
CC
Supply Voltage Range ● 2.5 12.6 V
I
CC
Supply Current (Note 2) 510 µA
Commercial Grade
● 16 µA
Industrial Grade
● 17 µA
Comparator
V
OS
Input Offset Voltage (Note 3) (SO-8) 1mV
Commercial Grade (SO-8)
● 1.5 mV
Industrial Grade (SO-8)
● 2.0 mV
(MSOP)(DFN) 1.2 mV
Commercial Grade (MSOP)(DFN)
● 2.0 mV
Industrial Grade (MSOP)(DFN)
● 2.5 mV
V
TRIP
Trip Point (Note 4) 1.7 2.25 2.8 mV
● 1 3.8 mV
I
IN
Input Leakage Current (Note 5) ● 0.01 1 nA
V
CM
Input Common Mode Range ● V
SS
V
CC
– 1.3V V
CMRR Common Mode Rejection Ratio V
CM
= V
SS
to (V
CC
– 1.3V) (LTC1542) 0.7 mV/V
Commercial Grade
● 0.8 mV/V
Industrial Grade
● 0.9 mV/V
PSRR Power Supply Rejection Ratio V
CC
= 3V to 12V 0.25 mV/V
Commercial Grade (SO-8)
● 0.30 mV/V
Industrial Grade (SO-8)
● 0.35 mV/V
t
PD
Propagation Delay Overdrive = 10mV 20 µs
Overdrive = 100mV 8 µs
V
OH
Output High Voltage I
OUT
= –2mA ● V
CC
– 0.2V V
V
OL
Output Low Voltage I
OUT
= 1.8mA ● V
SS
+ 0.3V V
Reference (LTC1541 Only)
V
REF
Reference Voltage No Load (SO-8) 1.195 1.200 1.205 V
Commercial Grade (SO-8)
● 1.190 1.210 V
Industrial Grade (SO-8)
● 1.188 1.212 V
No Load (MSOP) 1.190 1.200 1.210 V
Commercial Grade (MSOP)
● 1.185 1.215 V
Industrial Grade (MSOP)
● 1.183 1.217 V
No Load (DFN) 1.185 1.200 1.215 V
Commercial Grade (DFN)
● 1.180 1.220 V
Industrial Grade (DFN)
● 1.178 1.222 V
∆V
REF
Load Regulation I
SOURCE
= 2mA ● 26 mV
I
SINK
= 10µA 0.2 1.5 mV
● 5mV
e
n
Voltage Noise 0.1Hz to 10Hz 16 µV
P-P
Op Amp
V
OS
Input Offset Voltage V
CM
= 2.5V (SO-8) 0.7 mV
Commercial Grade (SO-8)
● 1.25 mV
Industrial Grade (SO-8)
● 1.65 mV
V
CM
= 2.5V (MSOP) (DFN) 1.00 mV
Commercial Grade (MSOP) (DFN)
● 1.75 mV
Industrial Grade (MSOP) (DFN)
● 2.0 mV