Worcester, Mass. Complementing the company's existing portfolio of standard analog output Hall-effect sensors, Allegro MicroSystems Inc. now offers two new devices, designated as A1373 and A1374, with a low-cost option for field programmability. The new output-pin programmable linear Hall-effect sensors feature a modified four-lead SIP package, lower output noise, and programming on the output pin.
Developed to offer designers greater flexibility from design concept to production release, the A1373 and A1374 devices are one-time field-programmable linear Hall-effect sensors with low-noise ratiometric outputs. Offering very precise operation over temperature and voltage, the chopper stabilization technique used in the Hall element provides low initial offset and minimal drift over temperature.
The A1373 and A1374 are programmable on the output pin, which eliminates potential conflicts during programming that could occur when high-voltage spikes are coupled onto Vcc where some discrete components may reside. Users are allowed to set the gain, quiescent voltage output, and the temperature coefficient after finished sensor assembly. The company said programming post-assembly minimizes the effects of manufacturing-induced stresses and offsets.
Targeting automotive and industrial markets, the A1373 and A1374 are available in a four-lead single inline package with wider lead spacing to ease soldering to the leads. The difference between the two devices is bandwidth. The A1374 has slighter higher bandwidth and thus slightly higher noise on the output. Please visit company's web site for datasheet.
The A137x is priced at $1.27 for annual volumes of 10,000 units. Delivery is eight to ten weeks.
Call (508) 853-5000