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LM2903B-Q1

更新时间： 2024-10-03 11:06:39
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德州仪器 - TI 比较器
页数 文件大小 规格书
38页 3293K
描述
汽车类双路差分商用比较器

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LM2903B-Q1 数据手册

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LM2903-Q1, LM2903B-Q1  
SLCS141J – MAY 2003 – REVISED NOVEMBER 2020  
LM2903-Q1 and LM2903B-Q1 Automotive Dual Comparators  
Features  
Description  
•
•
Qualified for automotive applications  
The LM2903B-Q1 device is the next generation  
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 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  
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)  
Common-mode input voltage range includes  
ground  
All devices consist of two independent voltage  
comparators that are designed to operate 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.  
The outputs can be connected to other open-collector  
outputs.  
•
•
•
•
•
•
•
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 Grade  
0 extended temperature range of -40°C to +150°C.  
•
Differential input voltage range equal to maximum-  
rated supply voltage ±36 V  
Output compatible with TTL, MOS, and CMOS  
Functional Safety-Capable  
– Documentation available to aid functional safety  
system design  
Device Information (1)  
•
•
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)  
TSSOP (8)  
VSSOP(8)  
WSON (8)  
SOT-23 (8)  
SOIC (8)  
LM2903B-Q1  
Applications  
•
Automotive  
– HEV/EV and power train  
– Infotainment and cluster  
– Body control module  
Industrial  
LM2903-Q1  
TSSOP (8)  
VSSOP(8)  
TSSOP (8)  
•
•
LM2903E-Q1  
Appliances  
(1) For all available packages, see the orderable addendum at  
the end of the datasheet.  
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  
2 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  
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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