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LM2903B

STMicroelectronics
Part Number LM2903B
Manufacturer STMicroelectronics
Description Low-power dual voltage comparator
Published Mar 6, 2023
Detailed Description SO8 MiniSO8 TSSOP8 Maturity status link LM2903B LM2903B Datasheet Low-power dual voltage comparator Features • Wide ...
Datasheet PDF File LM2903B PDF File

LM2903B
LM2903B

Overview
SO8 MiniSO8 TSSOP8 Maturity status link LM2903B LM2903B Datasheet Low-power dual voltage comparator Features • Wide single supply voltage range or dual supplies +2 V to +36 V or ±1 V to ±18 V • Very low supply current 0.
5 mA typ.
, essentially independent of supply voltage • Low input bias current: 20 nA typ.
• Low input offset current: ±5 nA typ.
• Input common-mode voltage range includes negative rail • Low output saturation voltage: 250 mV typ.
(Iout = 4 mA) • TTL, DTL, ECL, MOS, CMOS compatible outputs • Automotive qualification Applications • Level shifters • Sampling circuits • Peak & zero crossing detectors • Threshold detectors • Automotive Description The LM2903B consists of two independent low-power voltage comparators designed specifically to operate from a single supply over a wide range of voltages.
It is fully specified at 5 V and 36 V supply voltage operation, however operation from dual power supplies is also possible.
The B-grade version of the LM2903 comparators offers an increased maximum operating voltage of 40 V and improved electrical characteristics.
DS13991 - Rev 2 - December 2022 For further information contact your local STMicroelectronics sales office.
www.
st.
com 1 Diagram and pin configuration Figure 1.
Diagram LM2903B Diagram and pin configuration Figure 2.
Pin connections (top view) Out1 In1In1+ VCC- VCC+ Out2 In2In2+ SO8 / MiniSO8 / TSSOP8 DS13991 - Rev 2 page 2/20 LM2903B Maximum ratings 2 Maximum ratings Table 1.
Absolute maximum ratings Symbol Parameter Value Unit Vcc Supply voltage (1) Vid Differential input voltage (2) Vin Input voltage Iin Input current (3) Output short-circuit current (4) ±20 or 40 ±40 V -0.
3 to 40 10 mA 30 mA Output short-circuit duration (4) Infinite s Tstg Tj Rthja Rthjc Storage temperature range Maximum junction temperature Thermal resistance junction to ambient (5) SO-8 MiniSO-8 TSSOP Thermal resistance junction to case (5) SO-8 MiniSO-8 TSSOP -65 to 150 150 125...


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