AH175-WL-A

The AH175-WL-A is designed as one kind of single-digital-output Hall-effect sensor that can be used in (1)rotor position sensing; (2)current switch; (3)encoder; (4)RPM detection. This device includes an on-chip Hall voltage generator for magnetic sensing, an amplifier to amplify Hall voltage, and a comparator to provide switching hysteresis for noise rejection, and an open-collector output pre-driver.

Features of the AH175-WL-A are:(1)Bipolar Hall effect latch sensor; (2)3.5V to 20V DC operation voltage; (3)Open collector pre-driver; (4)25mA output sink current; (5)Chip power reverse-connection protection; (6)Operating temperature:-40°C to +125°C; (7)Package: SIP3, SOT23.

The absolute maximum ratings of AH175-WL-A can be summarized as:(1)Supply voltage: 20 V;(2)Output "OFF" voltage: 20 V;(3)Output "ON" current: 25 mA;(4)Operating temperature range: -40 to +125 °C;(5)Storage temperature range: -65 to +150 °C;(6)Power dissipation SIP: 550 mW;(7)Power dissipation SOT23: 230 mW.

The electrical characteristics of AH175-WL-A can be summarized as:(1)Supply voltage: 3.5 to 20 V;(2)Output saturation voltage: 300 to 400 mV;(3)Supply current: 3.5 to 6 mA;(4)Operate Point: 15 to 60 Gauss;(5)Release Point: -60 to -15 Gauss;(6)Hysteresis: 80 Gauss. If you want to know more information such as the electrical characteristics about AH175-WL-A, please download the datasheet in www.seekic.com or www.chinaicmart.com.