ماژول آپ امپ دقیق AD620 با تغذیه ایزوله
ماژول ایزوله آپ پمپ ad620
SPECIFICATION
- AMP01 Micro Signal Amplifier Instructions
- Isolated small signal amplification module, carefully designed with industrial-grade high-quality components, default amplification
- 20-1000 times. Adopt AD620 and isolated power supply design, with two-stage amplification and multi-stage filtering at the same time, with strong anti-interference
- Ability, the module has the characteristics of high stability, high precision, and low offset.
- One: functional characteristics
- 1. The design of isolated power supply is adopted to realize a single power supply of 5-30V, and it can provide 12V/20m power output for users.
- 2. Module power consumption is less than 0.3W: 39mA at 5V, 19mA at 12V, 10mA at 24V.
- 3. The module can be used for uV or mV signal amplification, with high accuracy, good linearity, and linear output range from -10 to + 10V.
- 4. The default magnification of the module is 20-1000 times adjustable, and users with special needs can customize 2-1000 times the module.
- 5. With zero point adjustment function, the adjustment range is -2.5V to +2.5V. .
- 6. The module has built-in multiple filters, which can effectively filter out high-frequency interference signals and ensure signal stability. The default bandwidth is about 2000Hz2.
- 7. With power indicator light, the blue light is on when connected to the power source.
- 7. DC characteristics (AD620):
- The maximum input offset voltage is 50uV.
- Maximum input offset drift: 0.6μV/C.
- Maximum input bias current: 1.0nA.
- Minimum mode rejection ratio: 100dB (minimum value, G=10).
- Input voltage noise: 9nV/ VHz.
- 8. Size: 55mm*35me* 15mm (length*width*height), with 4 3me screw holes reserved.
- 2: Description of terminal
- Left terminal
- 1. DC+: Power input positive (input range DC5- 30V, with anti-reverse protection).
- 2. DC-: negative pole of power supply.
- 3. V+: Positive 12V output, output capacity +12V/20mA.
- 4. GND: signal ground (earth 12V power ground), isolated from input power
- 5.V-: negative 12V output, output capacity -12V/20mA.
- Right terminal
- 1.St: signal input positive
- 2.S-: signal ground
- 3.S-: signal input negative
- 4.OUT: Amplified signal output terminal
- 5. GND: signal ground
- Three: electrical parameters.
- Working voltage: DC 5-30V
- Working current: 39mA at 05V.
- 19mA at 12V
- 10mA at 24V
- Working temperature:-30C- 60C (limit range 40C- -70C)
- Four: zero adjustment method
- You need to adjust the zero before use. The steps of zero adjustment are as follows (note: the position of the terminal in the figure may not match the actual object, please connect
- Pay attention to the terminal identification)
- 1. Short the input positive (S+) input negative (S-) and GND, as shown in the figure below.
- 2. Turn the gain appliance clockwise to adjust the gain to the maximum.
- 3. Rotate the zero point electrical appliance to make the signal output port OV.
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