SS496B Honeywell SS490 Series Cost-Reduced Miniature Ratiometric Linear Hall-Effect Sensor!PDF!

SS496.pdf

Features

Small size Low power consumption Single current sinking or current sourcing output Linear output for circuit design flexibility Built-in thin-film resistors - laser trimmed for precise sensitivity and temperature compensation Rail-to-rail operation provides more useable signal for higher accuracy Responds to either positive or negative gauss Quad Hall sensing element for stable output

Potential Applications

Current sensing Motor control Position sensing Magnetic code reading Rotary encoder Ferrous metal detector Vibration sensing Liquid level sensing Weight sensing Description The SS490 Series MRL (Miniature Ratiometric Linear) sensors are versatile linear Hall effect devices operated by the magnetic field from a permanent magnet or an electromagnet. The ratiometric output voltage is set by the supply voltage. It varies in proportion to the strength of the magnetic field. The integrated circuitry provides increased temperature stability and sensitivity. Laser trimmed thin film resistors on the chip provide high accuracy (null to � 3%, sensitivity up to �3%) and temperature compensation. The positive temperature coefficient of the sensitivity (+0.02 %/�C typical) compensates for the negative temperature coefficients of low cost magnets. The SS490B Series sensors offer cost-effective MRL sensing with slightly wider specifications than the SS490 products. The SS490B has a typical sinking or sourcing output of 1.5 mA continuous, uses seven mA of supply current at 5.0 volts at 25�C, for predictable performance over the full temperature range. SS490B Series sensors have wider null and sensitivity tolerances and a wider drift over temperature. NOTE: Products ordered in bulk packaging (plastic bags) may not have perfectly straight leads as a result of normal handling and shipping operations. Please order tape packaging option for applications with critical lead straightness requirements. Product Specifications Product Type Miniature Hall-Effect Linear Position Sensor IC Package Quantity/Type Available in 1,000/Bag Package Type Radial Lead IC Supply Voltage 4.5 Vdc to 10.5 Vdc Output Type Sink/Source Termination Type PC Board Magnetic Actuation Type Ratiometric Operating Temperature -40 ¡ãC to 150 ¡ãC [-40 ¡ãF to 302 ¡ãF] Storage Temperature -55 ¡ãC to 165 ¡ãC [-67 ¡ãF to 329 ¡ãF] Output Voltage 0.2 Vdc to (Vs - 0.2 Vdc) typ., 0.4 Vdc to (Vs - 0.4 Vdc) min. Linearity (% of Span) -1.0% typ. Output Voltage Span (min.) 0.4 Vdc to (Vs - 0.4 Vdc) Availability Global Supply Current 8.7 mA @ 5 Vdc Sensitivity 2.500 mV ¡À 0.200 mV/G Output Voltage Swing (Negative G) 0.4 Vdc Output Voltage Swing (Positive G) Vs - 0.4 Vdc Temperature_Error_25_Null_Shift_2 ¡À 0.064 Temperature_Error_25 Sensitivity_1 -0.02 min., 0.08 max. Output_Current_Typical_Source_45 1.5 mA Output_Current_Minimum_Source_45 1 mA Output_Current_Minimum_Sink_45 0.6 mA Output_Current_Minimum_Sink_5 1 mA Magnetic Range (typ.) -84 mT to 84 mT [-840 G to 840 G] Magnetic Range (min.) -75 mT to 75 mT [-750 G to 750 G] Output Voltage Span (typ.) 0.2 Vdc to (Vs - 0.2 Vdc) Null Output 2.50 Vdc ¡À 0.150 Vdc Response Time 3 µs Series Name SS490

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