INA828IDR

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1. Describe

INA828IDR is a high precision instrument amplifier that provides low power consumption and Operates on a very wide single or dual supply scope. A single external resistor sets any gain to 1 to 1000. The device provides excellent accuracy due to Using the new ultra-beta input transistors, Provides very low input offset voltage, offset voltage drift, input bias current and input voltage and current noise. Additional circuit protection input Resistant to overvoltages up to ±40 V. The INA828 is optimized to provide excellent Common Mode Rejection Ratio. CMRR exceeds 90 dB at G = 1 Enter the common mode range. The device is perfect for Low Voltage Operation for 5V Single Supply and dual power supplies up to ±18 V. Finally, the INA828 is Available in 8-pin SOIC package and specified Over the temperature range of –40°C to +125°C.

2. Feature

    1. Evolution of Precision Instrumentation Amplifiers:

        – Second generation: INA828

        – First generation: INA128

    2. Low offset voltage: 50 µV, max

    3. Gain drift: 5 ppm/°C (G = 1), 50 ppm/°C (G > 1)

    4. Noise: 7 nV/√Hz

    5. Bandwidth: 2 MHz (G = 1), 260 kHz (G = 100)

    6. Stable 1nF capacitive load

    7. Input protected up to ±40 V

    8. Common Mode Rejection:

        – 110 dB, min (G = 10)

    9. Power Supply Rejection: 100 dB, min (G = 1)

  10. Supply current: 650 µA, max

  11. Scope of supply:

        – Single supply: 4.5 V to 36 V

        – Dual supply: ±2.25 V to ±18 V

  12. Specify the temperature range:

        –40°C to +125°C

  13. Package: 8-pin SOIC

3. Application

    1. Industrial Process Control

    2. circuit breakers

    3. Battery Tester

    4. ECG amplifier

    5. Electricity automation

    6. Medical equipment

    7. Portable instruments

4. Typical application

Three-terminal programmable logic controller (PLC) design for the INA828. This PLC reference design accepts ±10 V or ±20 mA input. The output is a single-ended voltage of 2.5 V ±2.3 V (or 200mV to 4.8V). Many PLCs typically have these input and output ranges.

5. Pin configuration

6. Pin Description