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PDF SS1376 Data sheet ( Hoja de datos )
| Número de pieza | SS1376 | |
| Descripción | Unipolar Hall Switch-Low Sensitivity | |
| Fabricantes | SEC | |
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SS1376
Unipolar Hall Switch-Low Sensitivity
Features and Benefits
– 3.5V to 24V Operation
– -40°C to 150°C Superior temperature operation
– CMOS technology
– Low current consumption
– Chopper-stabilized amplifier stage
– Open drain output
– Low sensitivity
– Small Size SOT23 3L or SIP 3L
– Both RoHS compliant packages
Application Examples
– Automotive, Consumer and Industrial
– Solid-state switch
– Brushless DC motor commutation
– Speed detection
– Angular position detection
– Proximity detection
– Current detector
3 pin SOT23 (suffix SO)
3 pin SIP (suffix UA)
Functional Block Diagram
VDD
Voltage
Regulator
Chopper
OUT
Hall
Plate
GND
SIP Package
Pin 1 – VDD
Pin 2 – GND
Pin 3 – OUT
SOT Package
Pin 1 – VDD
Pin 2 – OUT
Pin 3 – GND
1 V3.10 Nov 1, 2013
1 page  
SS1376
Unipolar Hall Switch-Low Sensitivity
Application Information
It is strongly recommended that an external bypass capacitor be connected (in close proximity to the Hall sensor)
between the supply(VDD Pin) and ground(GND Pin) of the device to reduce both external noise and noise
generated by the chopper stabilization technique. As is shown in the following figure, a 0.1μF capacitor is
typical.
For reverse voltage protection, it is recommended to connect a resistor or a diode in series with the VDD pin.
When using a resistor, three points are important:
- the resistor has to limit the reverse current to 50mA maximum (VCC / R1 ≤ 50mA)
- the resulting device supply voltage VDD has to be higher than VDD min (VDD = VCC – R1*IDD)
- the resistor has to withstand the power dissipated in reverse voltage condition (PD = VCC2/R1)
When using a diode, a reverse current cannot flow and the voltage drop is almost constant (≈0.7V).
Therefore, a 100Ω/0.25W resistor for 5V application and a diode for higher supply voltage are recommended.
Typical Three-Wire Application Circuit
SS1376
When a weak power supply is used or when the device is intended to be used in noisy environment, it is
recommended that following figure is used.
Automotive and Severe Environment Protection Circuit
SS1376
The low-pass filter formed by R1 and C1 and the Zener diode Z1 bypass the disturbances or voltage spikes
occurring on the device supply voltage VDD. The diode D1 provides additional reverse voltage protection. Both
solutions provide the required reverse voltage protection.
ESD Precautions
Electronic semiconductor products are sensitive to Electro Static Discharge (ESD).
Always observe Electro Static Discharge control procedures whenever handling semiconductor products.
5 V3.10 Nov 1, 2013
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet SS1376.PDF ] | |
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