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http://www.ti.com/general/docs/suppproductinfo.tsp?distId=26&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftmag5253″>View Datasheet
Texas Instruments TMAG5253 Low-Power Linear Hall-Effect Sensors are designed to respond proportionally to magnetic flux density. The TMAG5253 offers an enable pin to enter ultra-low power (nA) shutdown mode. The TMAG5253 supplies a fast start-up time (<25µs) developed for low-power position sensing applications. The device is engineered in an industry-leading 1.54mm2 ultra-small footprint for space-constrained applications. The sensors have a vast supply range and can operate from 1.65V to 3.6V.
The TI TMAG5253 utilizes a ratiometric architecture to eliminate errors from VCC tolerance when the external analog-to-digital converter (ADC) uses the same VCC for reference. Furthermore, the device features magnet temperature compensation to counteract the magnetic sensitivity drifts across a wide range of temperatures, from 40°C to 125°C. The device also allows the output to be placed in a high-impedance state during shutdown mode. This mode enables multiple devices to be connected to a single ADC.
