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Hall effect proximity sensor - A1343 series
The A1343 device is a high precision, programmable Hall effect linear sensor integrated circuit (IC) with a configurable pulse width modulated (PWM) or single edge nibble transmission (SENT) output, for both automotive and nonautomotive applications. The signal path of the A1343 provides flexibility through external programming that allows the generation of an accurate, and customized output voltage from an input magnetic signal. The A1343 provides 12 bits of output resolution, and supports a maximum bandwidth of 3 kHz. The BiCMOS, monolithic integrated circuit incorporates a Hall sensor element, precision temperature-compensating circuitry to reduce the intrinsic sensitivity and offset drift of the Hall element, a small-signal high-gain amplifier, proprietary dynamic offset cancellation circuits, and advanced output linearization circuitry.With on-board EEPROM and advanced signal processing functions, the A1343 provides an unmatched level of customer reprogrammable options for characteristics such as gain and offset, bandwidth, output clamps, and magnetic range selection. In addition, the device supports separate hot and cold, 1st and 2nd order temperature compensation.