TL331, TL331B, TL391B
SLVS238K – AUGUST 1999 – REVISED SEPTEMBER 2023
TL331B, TL391B and TL331 Single Comparators
1 Fea...
TL331, TL331B, TL391B
SLVS238K – AUGUST 1999 – REVISED SEPTEMBER 2023
TL331B, TL391B and TL331 Single Comparators
1 Features
3 Description
NEW TL331B and TL391B
The TL331B and TL391B devices are the next
Improved specifications of B-version
generation versions of the industry-standard TL331
– Maximum rating: up to 38 V
comparator. These next generation devices provide
– ESD rating (HBM): 2k V
outstanding value for cost-sensitive applications,
– Improved reverse
voltage performance
with features including lower offset
voltage, higher
– Low input offset: 0.37 mV
supply
voltage capability, lower supply current,
– Low input bias current: 3.5 nA
lower input bias current, lower propagation delay,
– Low supply-current: 430 µA
wider temperature range and improved 2kV ESD
– Faster response time of 1 µsec
performance with drop-in replacement convenience.
– TL391B provides an alternate pinout
The TL331B is a drop-in improved replacement for
TL331B is improved drop-in replacement for
both the TL331I and TL331K versions, while the
TL331
TL391B provides an alternate pinout of the TL331B
Common-mode input
voltage range includes
to replace competitive devices.
ground Differential input
voltage range equal to maximum-
rated supply
voltage: ±38 V Low output saturation
voltage Output compatible with TTL, MOS, and
CMOS
Operation from dual supplies also is possible as long as the difference between the two supplies is within 2 V to 36 V, and VCC is at l...