LMX331 datasheet(4/9 Pages) MAXIM

4 / 9 page

General-Purpose, Low-Voltage,

Single/Dual/Quad, Tiny-Pack Comparators

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DC ELECTRICAL CHARACTERISTICS—1.8V OPERATION

(VDD = 1.8V, VSS = 0V, VCM = 0V, RL = 5.1k

Ω connected to VDD. Typical values are at TA = +25°C. Boldface limits apply at the

defined temperature extremes.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Offset Voltage

VOS

0.2

Input Voltage Hysteresis

LMX331H/LMX393H/LMX339H only

Input Offset Voltage Average

Temperature Drift

TCVOS

µV/

°C

Input Bias Current

0.05

Input Offset Current

IOS

0.05

-0.1

Input Voltage Range

VCM

Output Saturation Voltage

VSAT

ISINK

≤ 1mA

Power-Supply Rejection Ratio

PSRR

VDD = 1.8V to 5.5V

Output Sink Current

≤ 1.5V

LMX331/LMX331H

100

LMX393/LMX393H (both comparators)

140

Supply Current (Note 2)

LMX339/LMX339H (all four comparators)

120

200

µA

Output Leakage Current

0.003

µA

Note 1: All devices are production tested at +25°C. All temperature limits are guaranteed by design.

Note 2: Supply current when output is high.

Note 3: Input overdrive is the overdrive voltage beyond the offset and hysteresis-determined trip points.

AC ELECTRICAL CHARACTERISTICS—1.8V OPERATION

(VDD = 1.8V, VSS = 0V, VCM = 0V, RL = 5.1k

Ω connected to VDD. Typical values are at TA = +25°C. Boldface limits apply at the

defined temperature extremes.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input overdrive = 10mV (Note 3)

500

Propagation Delay

Output High to Low

tPHL

Input overdrive = 100mV (Note 3)

100

Input overdrive = 10mV (Note 3)

500

Propagation Delay

Output Low to High

tPLH

Input overdrive = 100mV (Note 3)

100

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