User Manual
LMX331/LMX393/LMX339
General-Purpose, Low-Voltage,
Single/Dual/Quad, Tiny-Pack Comparators
4 _______________________________________________________________________________________
DC ELECTRICAL CHARACTERISTICS—1.8V OPERATION
(V
DD
= 1.8V, V
SS
= 0, V
CM
= 0, R
L
= 5.1kΩ connected to V
DD
. Typical values are at T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Offset Voltage V
OS
0.2 5 mV
Input Voltage Hysteresis LMX331H/LMX393H/LMX339H only 2 mV
Input Offset Voltage Average
Temperature Drift
TCV
OS
5
µV/°C
Input Bias Current I
B
0.05
nA
Input Offset Current I
OS
0.05
nA
-0.1
Input Voltage Range V
CM
1
V
Output Saturation Voltage V
SAT
I
SINK
≤ 1mA 35 mV
Power-Supply Rejection Ratio PSRR V
DD
= 1.8V to 5.5V 60 70 dB
Output Sink Current I
O
V
O
≤ 1.5V 15 mA
LMX331/LMX331H 40
100
LMX393/LMX393H (both comparators) 65
140
Supply Current (Note 2) I
S
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
(V
DD
= 1.8V, V
SS
= 0, V
CM
= 0, R
L
= 5.1kΩ connected to V
DD
. Typical values are at T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input overdrive = 10mV (Note 3)
500
Propagation Delay
Output High to Low
t
PHL
Input overdrive = 100mV (Note 3)
100
ns
Input overdrive = 10mV (Note 3)
500
Propagation Delay
Output Low to High
t
PLH
Input overdrive = 100mV (Note 3)
100
ns