A1201
FEATURES
AND BENEFITS
- Continuous-time operation ▫ Fast power-on time ▫ Low noise
- Stable operation over full operating temperature range
- Reverse battery protection
- Solid-state reliability
- Factory-programmed at end-of-line for optimum performance
- Robust EMC performance
- High ESD rating
- Regulator stability without a bypass capacitor
PACKAGES:
Not to scale
3-pin SOT23W (suffix LH)
NOT FOR NEW DESIGN
3-pin SIP, matrix HD style
(suffix UA)
3-pin SIP, chopper style
(suffix UA)
DESCRIPTION
The Allegro A1201 Hall-effect bipolar switch is a nextgeneration replacement and extension of the popular Allegro A3134 bipolar switch. Overall, the A1201, produced with Bi CMOS technology, is a continuous-time device that features fast power-on time and low-noise operation. Device programming is performed after packaging, to ensure increased switchpoint accuracy by eliminating offsets that can be induced by package stress. Unique Hall element geometries and lowoffset amplifiers...
