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SS1376ESOT データシート(PDF) 5 Page - SEC Electronics Inc.

部品番号. SS1376ESOT
部品情報  Unipolar Hall Switch-Low Sensitivity
ダウンロード  7 Pages
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メーカー  SECELECTRONICS [SEC Electronics Inc.]
ホームページ  http://www.secsemi.com
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SS1376ESOT Datasheet(HTML) 5 Page - SEC Electronics Inc.

   
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SS1376
Unipolar Hall Switch-Low Sensitivity
5
V3.10
Nov 1, 2013
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 V
DD pin.
When using a resistor, three points are important:
- the resistor has to limit the reverse current to 50mA maximum (V
CC / R1 ≤ 50mA)
- the resulting device supply voltage V
DD has to be higher than VDD min (VDD = VCC – R1*IDD)
- the resistor has to withstand the power dissipated in reverse voltage condition (P
D = VCC
2
/R1)
When using a diode, a reverse current cannot flow and the voltage drop is almost constant (
≈0.7V).
Therefore, a 100
Ω/0.25W resistor for 5V application and a diode for higher supply voltage are recommended.
Typical Three-Wire Application Circuit
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
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 V
DD. 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.
SS1376
SS1376


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