A2491 MAT | Alldatasheet
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A2491(T) Specification Ratio-metric Linear Hall Effect Sensor 050523 www.masteranalog.com Page 1 of 3 RD-30052 Rev 1.12 A2491 is fast response time, wide output range, stable and accurate of Totem-Pole linear output of hall IC. The output performance of T type is more accurate than standard type. Absolute Maximum Ratings At (TA=25℃) Characteristics Values Unit Supply Voltage, (VDD) 8 V Output V oltage, (VOUT) 8 V Output Current, (ISINK) 5 mA Operating Temperature Range, (TA) -40 ~+125 ℃ Storage Temperature Range, (TS) -65 ~ +150 ℃ Package Power Dissipation, (PD) 606 / 230 mW Functional Block Diagram Voltage Regulator VDD VSS Hall Sensor Out Dynamic Offset Cancellation Tuned Filter Sensitivity and Sensitivity TC Offset and Offset TC Electrical Specifications DC Operating Parameters： T A=+25℃, VDD=5V Parameters Test Conditions Min Typ Max Units Supply V oltage, (VDD) Operating 2.8 6.0 V Supply Current, (IDD) B= 0 Gauss 5.0 mA Output Current, (IO) VDD > 3V 1.0 1.5 mA Null Output V oltage, (VNULL) B= 0 Gauss, (T type) 2.375 (2.475) 2.5 2.625 (2.525) V High Output V oltage, (VOH) B> Max Magnetic Gauss 4.9 4.99 V Low Output V oltage, (VOL) B> Min Magnetic Gauss 0.01 0.1 V Output V oltage Span, (VOS) 4.8 V Magnetic Range Gauss ±1600 Gauss Linearity, (LIN) % of Span ±1.5 % Output Switch Frequency, (FSW) 3 kHz Power-On Time, (TP) 100 uS Sensitivity Standard, (T type) 1.38 (1.425) 1.5 1.62 (1.575) mV/G Electro-Static Discharge HBM 4 KV DMOS Hall Effect Sensor Supply Voltage 2.8 ~ 6.0V Sensitivity 1.5mV/G Output Totem-Pole Package SIP-3(I3) SOT-23(S3) Masteranalog
A2491(T) Specification Ratio-metric Linear Hall Effect Sensor 050523 www.masteranalog.com Page 2 of 3 RD-30052 Rev 1.12 Typical Application circuit and Magnetic Flux Density in Gauss OutA2491C1 Vcc VDD Out VSS 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
0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00Output Voltage(V) Flux Density(Gauss) VO Max(T) Min(T) Max Min C1：1nF/10V C2：10nF/10V Masteranalog
A2491(T) Specification Ratio-metric Linear Hall Effect Sensor 050523 www.masteranalog.com Page 3 of 3 RD-30052 Rev 1.12 (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