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AH920Z3-G1 Datasheet(PDF) 1 Page - BCD Semiconductor Manufacturing Limited |
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AH920Z3-G1 Datasheet(HTML) 1 Page - BCD Semiconductor Manufacturing Limited |
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1 / 2 page  Product Brief HIGH SENSITIVITY CMOS HALL-EFFECT LATCH AH920 Mar. 2010 BCD Semiconductor Manufacturing Limited 1 Description The AH920 is a Hall-effect latch designed in mixed signal CMOS technology. It is quite suitable for use in automotive, industrial and consumer applications. Superior high-temperature performance is made possible through dynamic offset cancellation, which reduces the residual offset voltage normally caused by device over-molding, temperature dependencies, and thermal stress. The device integrates a voltage regulator, Hall-voltage generator, small-signal amplifier, chopper stabilization, schmitt trigger, and open-drain output. An on-board regulator permits operation with supply voltage from 3.5V to 20V. The AH920 is available in TO-92S-3 and SOT-23-3 packages, which are optimized for most applications. Features • Wide Operating Voltage Range from 3.5 to • 20V • Symmetrical Switch Points • Chopper-stabilized Amplifier Stage • Superior Temperature Stability • Open-drain Output • Compact Size • ESD Rating: 6000V (Human Body Model) Applications • Brushless DC Motor Commutation • Brushless DC Fan • Solid-state Switch • Revolution Counting • Speed Detection • High Sensitivity and Unconnected Switch Parametric Table Output Saturation Voltage (VCC=12V, IOUT=20mA) (mV) 185 Supply Current (Average) (mA) 3 Operating Point (Gauss) 22 Releasing Point (Gauss) -22 Hysteresis (Gauss) 45 Benefits • High Sensitivity for Switching Symmetry • Excellent Temperature Performance • Wide Operation Temperature Range • High ESD • Cost-effective Total Solution If Bundling • with BCD’s FMD ICs Additional Available Materials • Samples • Preliminary Data Sheet • Reliability Report • ESD Report |
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