Details

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BUY A3120 DIP8 https://www.utsource.net/itm/p/12606328.html

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	Vcc	4.5	-	5.5	V
Operating Current	Icc	5	10	15	mA
Output Current	Iout	0.5	1.0	1.5	mA
Sensitivity	S	100	200	300	Gauss
Hysteresis	Hys	20	50	80	Gauss
Response Time	Tr	1	2	3	渭s
Output Low Voltage	Vol	0.2	0.4	0.6	V
Output High Voltage	Voh	4.0	4.5	5.0	V
Operating Temperature	Topr	-40	-	85	掳C
Storage Temperature	Tstg	-55	-	125	掳C

Instructions for A3120 DIP8

1. Power Supply:

   • Connect the Vcc pin to a stable power supply between 4.5V and 5.5V.
   • Connect the GND pin to the ground of the power supply.

2. Output Configuration:

   • The output pin (OUT) is open-collector, which means it can sink current but not source it. Use an external pull-up resistor to Vcc to ensure a high state when the sensor is not active.
   • The recommended value for the pull-up resistor is typically between 1k惟 and 10k惟.

3. Magnetic Field Sensing:

   • Place the sensor in the magnetic field you wish to detect. The sensitivity of the A3120 is between 100 and 300 Gauss.
   • The hysteresis ensures that the output does not oscillate rapidly due to small fluctuations in the magnetic field.

4. Response Time:

   • The typical response time of the A3120 is 2 渭s, allowing it to react quickly to changes in the magnetic field.

5. Temperature Considerations:

   • Ensure that the operating temperature remains within the range of -40掳C to 85掳C for reliable operation.
   • Store the device in temperatures between -55掳C and 125掳C.

6. Handling Precautions:

   • Handle the A3120 with care to avoid damage from static electricity.
   • Avoid exposing the device to excessive mechanical stress or moisture.

7. Testing and Troubleshooting:

   • Verify the power supply connections and ensure the correct polarity.
   • Check the pull-up resistor connection to the output pin.
   • Test the sensor in a known magnetic field to confirm proper operation.

(For reference only)