Datasheet Details
- Part number
- LM2903WH
- Manufacturer
- STMicroelectronics ↗
- File Size
- 480.41 KB
- Datasheet
- LM2903WH-STMicroelectronics.pdf
- Description
- dual-voltage comparator
LM2903WH Description
LM2903WH Low-power, dual-voltage comparator Datasheet - production data S MiniSO8 (plastic micropackage) Pin connections (top view) 1 - Output 1 2 .
This device consists of two independent low-power voltage comparators designed specifically to operate from a single supply over a wide range of volta.
LM2903WH Features
* Wide, single supply voltage range or dual supplies, 2 V to 36 V or ±1 V to ±18 V Very low supply current (0.4 mA) independent of supply voltage (1 mW/comparator at 5 V) Low input bias current: 25 nA typ. Low input offset current: ±5 nA typ. Input common-mode voltage range includes negative rail Low
LM2903WH Applications
* - zero crossing detector
15 V
eI ~
1/2 LM2903
15 V
5.1 kΩ eo
Figure 18: Comparator with a negative reference 15 V
eI ~
1/2 LM2903
5V 15 V
5.1 kΩ eo
8/14 DocID028311 Rev 1
LM2903WH
Figure 19: Time delay generator
Typical application schematics
Frequency control voltage input Vcontrol
Fig
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