A1281 MAT | Alldatasheet
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Low Sensitivity Unipolar Hall Effect Switch Page 1 of 2
100214 RD-30011
Rev 1.02 A1281 is an Unipolar Hall switch of low operating voltage and low sensitivity. Absolute Maximum Ratings At (Ta=25℃) Characteristics Values Unit Supply voltage (VDD) 28 V Output V oltage,(Vo ut) 28 V Output current, (ISINK) 50 mA Operating Temperature Range, (TA) -40 ~ +125 ℃ Storage temperature Range, (TS) -55 ~ +150 ℃ Package Power Dissipation, (PD) 606 / 230 mW Functional Block Diagram Voltage Regulator Amp VDD Out VSS Hall Sensor Hall Sensor Clock Electrical Specifications DC Operating Parameters： TA=+25℃, VDD=12V Parameters Test Conditions Min Typ Max Units Supply V oltage,(VDD) Operating 3.0 24.0 V Supply Current,(IDD) B<BOP 2.5 5.0 mA Output Saturation V oltage, (VDSON) Iout=20mA,B>BOP 500.0 mV Output Leakage Current, (Ioff) IOFF B<BRP, VOUT = 20V 10.0 uA Output Rise Time, (TR) RL=1kΩ, CL =20pF 0.04 0.45 uS Output Fall Time, (TF) RL=1kΩ; CL =20pF 0.18 0.45 uS Electro-Static Discharge HBM 4 KV Operate Point,(BOP) I3(S3) 140(-250) 250(-140) Gauss Release Point,(BRP) I3(S3) 95(-205) 205(-95) Gauss Hysteresis,(BHYS) |BOP - BRP| 45 Gauss DMOS Hall Effect Switch Supply Voltage 3.0 ~ 24V Bop：175 Gauss Brp：130 Gauss Output Open Drain Package SIP-3(I3) SOT-23(S3)
Low Sensitivity Unipolar Hall Effect Switch Page 2 of 2 Rev 1.02 Package Dimension and Sensor Location (Top VieW) NOTES: 1. Controlling dimension: mm 2. Leads must be free of flash and plating voids 3. Do not bend leads within 1 mm of lead to package interface. 4. PINOUT: Pin No. Pin Name Function
1 VDD Power Supply
2 VSS Ground
3 VOUT Output
(Top VieW) NOTES: 1. Controlling dimension: mm 2. Leads must be free of flash and plating voids 3. Lead thickness after solder plating will be 0.254mm maximum 4. PINOUT: Pin No. Pin Name Function