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SH248 Dataheets PDF



Part Number SH248
Manufacturers NIPPON CERAMIC
Logo NIPPON CERAMIC
Description High Sensitivity CMOS Micropower Hall Switch
Datasheet SH248 DatasheetSH248 Datasheet (PDF)

NIPPON CERAMIC CO., LTD. SH 248 High Sensitivity CMOS Micropower Hall Switch SH248 includes the following on a single silicon chip: voltage regulator, Hall voltage generator, small-signal amplifier, chopper stabilization, Schmitt trigger, and a short circuit protected open-drain output. Advanced CMOS wafer fabrication processing is used to take advantage of low-voltage requirements, component matching, very low input-offset errors, and small component geometries. FEATURES z z z z z CMOS Hall IC.

  SH248   SH248



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NIPPON CERAMIC CO., LTD. SH 248 High Sensitivity CMOS Micropower Hall Switch SH248 includes the following on a single silicon chip: voltage regulator, Hall voltage generator, small-signal amplifier, chopper stabilization, Schmitt trigger, and a short circuit protected open-drain output. Advanced CMOS wafer fabrication processing is used to take advantage of low-voltage requirements, component matching, very low input-offset errors, and small component geometries. FEATURES z z z z z CMOS Hall IC Technology Solid-State Reliability much better than reed switch Micro power consumption for battery-powered applications Omni polar output switches with absolute value of North or South pole from magnet High Sensitivity for reed switch replacement TYPICAL APPLICATION z z Solid state switch Handheld Wireless Handset Awake Switch ( Flip Cell/PHS Phone/Note Book/Flip Video Set) Lid close sensor for battery powered devices Magnet proximity sensor for reed switch replacement in low duty cycle applications z z ABSOLUTE MAXIMUM RATINGS At (TA=25℃) Parameter Supply Voltage Output Current Output Voltage Operating Temperature Range ( E ) Storage Temperature Range Symbol VCC IOUT VOUT TA TS Value Min Max 2.5 -0.3 -40 -55 3.5 1 3.5 85 150 Unit V mA V ℃ ℃ FUNCTIONAL BLOCK DIAGRAM SH248 ELECTRICAL www.DataSheet4U.com Parameter Supply Voltage Output Saturation Voltage Output Leakage Current Supply Current Operate Point & MAGNETIC CHARACTERISTICS (At TA=25℃ , VCC=3V) Test Condition Symbol VCC IOUT=1mA, B>BOP VOUT=3V, BBOP) VOUT=Low(On) S/N Pole (B>BOP) (UA package) PERFORMANCE GRAPHS VOUT=Low(On) (SO package) Typica Magnetic Switchpoints versus Temperature 5 4 3 Typical Magnetic Switchpoints versus VCC 5 www.DataSheet4U.com 4 3 BOPS BRPS Fl ux dens i t y( m T) Fl ux dens i t y( m T) 2 1 0 BOPS-25℃ BOPN-25℃ BOPS-85℃ BOPN-85℃ BRPS-85℃ BRPN-85℃ BRPS-25℃ BRPN-25℃ 2 1 0 -1 -2 -3 -4 -5 2. 2 -1 -2 -3 BRPN BOPN - 40 - 20 0 20 40 60 80 2.5 2. 8 VCC( V) 3. 1 3.4 3. 7 -4 Tem per at ur e( ℃) http://nicera.co.jp NIPPON CERAMIC CO., LTD. Typical Current Consumption versus Supply Voltage 10 10 Typical Current Consumption versus Temperature Average Current(μA) 8 8 Average Current(μA) 6 Current Consumption C u rre n t C o n s u m p tio n 6 Sleep Current(μA) 4 Sleep Current(μA) 4 2 2 Awake Current(mA) 0 -40 Awake Current(mA) 0 1 1.5 2.0 2.5 3.0 3.5 -20 0 20 40 60 80 100 Supply Voltage(V) Temperature(℃) POWER DISSIPATION VERSUS TEMPERATURE Power Dissipation Curve www.DataSheet4U.c.


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