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Description
The O213M2121M is an IC chip designed for current sensing and measurement in various electronic devices. It has the ability to measure small differential voltage on a high-side shunt resistor and convert it into a ground-referenced output voltage. The chip provides a wide common-mode operating range that is independent of the supply voltage and has a wide common-mode surviving range under reversed battery and load-dump conditions.
Specifications and features
- Wide common-mode operating range: 2.8 to 30 V
- Wide common-mode surviving range: -32 to 60 V (reversed battery and load-dump conditions)
- Maximum input offset voltage: ±1.5 mV for Tamb = 25°C and ±2.3 mV for -40°C < Tamb < 125°C
- Maximum total output voltage error: ±1.5% for Tamb = 25°C and ±2.5% for -40°C < Tamb < 125°C
- Maximum variation over temperature: dVos/dT = 8 µV/°C and dVout/dT = 100 ppm/°C
- Low current consumption: ICC max = 300 µA
- Operating temperature range: -40 to 125°C
- Internally fixed gain: 20 V/V, 50 V/V
- EMI filtering
Application Scenarios
- Automotive current monitoring
- Notebook computers
- Server power supplies
- Telecom equipment
- Industrial SMPS
- Current sharing
- LED current measurement
Comparison
Advantages- Wide common-mode operating and surviving range make it suitable for various applications
- Low current consumption helps in saving power
- Internally fixed gain provides accurate measurements
- EMI filtering helps in reducing unwanted noise and interference
Disadvantages- None
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Datasheet
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Shopping guide
Delivery period:
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Additional Information
- Datasheet: Download O213M2121M
- Chipdatas Part: CD89-O213M2121M
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/09/20 10:44 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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