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LM2903-Q1, LM2903B-Q1
SLCS141I –MAY 2003–REVISED JUNE 2020
LM2903-Q1 and LM2903B-Q1 Automotive Dual Comparators
1 Features
3 Description
The LM2903B-Q1 device is the next generation
1
•
•
Qualified for automotive applications
version of the industry-standard LM2903-Q1
comparator family. This next generation family
provides outstanding value for cost-sensitive
applications, with features including lower offset
voltage, higher supply voltage capability, lower supply
current, lower input bias current, lower propagation
delay, and improved 2kV ESD performance with
improved negative input voltage handling and drop-in
replacement convenience.
AEC-Q100 qualified with the following results:
–
Device temperature grade 0: –40°C to 150°C
ambient operating temperature range
(LM2903E-Q1)
–
Device temperature grade 1: –40°C to 125°C
ambient operating temperature range
–
–
Device HBM ESD classification level H1C
Device CDM ESD classification level C4B
All devices consist of two independent voltage
comparators that are designed to operate from a
single power supply over a wide range of voltages.
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 least 1.5 V more positive
than the input common-mode voltage. Current drain
is independent of the supply voltage. The outputs can
be connected to other open-collector outputs to
achieve wired-AND relationships.
•
•
•
Improved 2 kV HBM ESD for "B" device
Single supply or dual supplies
Low supply-current independent of
supply voltage 200 uA Typ Per
comparator ("B" Versions)
•
•
•
Low input bias current 3.5 nA Typ ("B" device)
Low input offset current 0.5 nA Typ ("B" device)
Low input offset voltage ±0.37 mV Typ ("B"
device)
The LM2903-Q1 and LM2903B-Q1 are Qualified for
the AEC-Q100 Grade 1 temperature range of -40°C
to +125°C. The LM2903E-Q1 is Qualified for the
AEC-Q100 Grade 0 extended temperature range of
-40°C to +150°C.
•
•
Common-mode input voltage range includes
ground
Differential input voltage range equal to maximum-
rated supply voltage ±36 V
Device Information(1)
•
•
Output compatible with TTL, MOS, and CMOS
Functional Safety-Capable
PART NUMBER
PACKAGE
BODY SIZE (NOM)
4.90 mm × 3.91 mm
3.00 mm × 4.40 mm
3.00 mm x 3.00 mm
2.00 mm x 2.00 mm
1.60 mm × 2.90 mm
4.90 mm × 3.91 mm
3.00 mm × 4.40 mm
3.00 mm x 3.00 mm
3.00 mm × 4.40 mm
SOIC (8)
–
Documentation available to aid functional
safety system design
TSSOP (8)
VSSOP(8)
WSON (8)
SOT-23 (8)
SOIC (8)
LM2903B-Q1
2 Applications
•
Automotive
–
–
–
HEV/EV and power train
LM2903-Q1
TSSOP (8)
VSSOP(8)
TSSOP (8)
Infotainment and cluster
Body control module
LM2903E-Q1
•
•
•
Industrial
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
Appliances
Power delivery
Family Comparison Table
LM2903-Q1
"A" Devices "AV" Devices
LM2903-Q1
Specification
LM2903B-Q1
LM2903-Q1
LM2903E-Q1
Units
Specified Supply Votlage
Total Supply Current (5 V to VS max)
Temperature Range
3 to 36
0.6 to 0.8
−40 to 125
2k / 1k
± 4
2 to 30
1 to 2.5
−40 to 125
1k / 750
± 15
2 to 30
1 to 2.5
−40 to 125
1k / 750
± 4
2 to 32
1 to 2.5
−40 to 125
1k / 750
± 4
2 to 30
1 to 2.5
-40 to 150
1k / 750
± 15
V
mA
°C
ESD (HBM / CDM)
V
Offset Voltage (max over temp)
Input Bias Current (typ / max)
Response Time (typ)
mV
nA
3.5 / 25
1
25 / 250
1.3
25 / 250
1.3
25 / 250
1.3
25 / 250
1.3
µsec
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
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