LP365 National Semiconductor, LP365 Datasheet - Page 7

• Manufacturer Part Number: LP365
• Description: Micropower Programmable Quad Comparator
• Manufacturer: National Semiconductor

Typical Applications
R
Unlike most comparators the LP365 can be used as an op amp if suitable
R-C damping networks are used
Chopping the outputs by modulating the I
mitted via opto-couplers transformers etc
B
e
V
a
20 A
Slow Op Amp (Inverter)
Chopping Outputs
SET
current allows data to be trans-
(Continued)
TL H 5023– 12
TL H 5023– 10
7
R
The LP365 can also be used as a high-input-impedance follower-amplifier
with the damping components shown
I
I
f
Comparator A detects when the supply voltage drops to 4V and enables
comparator B to drive a piezoelectric alarm
S
S
e
B
e
3 kHz
6V
3 8V
V
a
e
e
20 A
45 A
1 A
Slow Op Amp (Unity-Gain Follower)
Low Battery Detector
TL H 5023 – 11
TL H 5023 – 13