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INA228AIDGSR

Ultra-precise I2C Output

Inventory:6,502

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Overview of INA228AIDGSR

The INA228AIDGSR is a current sense amplifier with an integrated A/D converter that provides high-precision current measurements in various applications. It offers adjustable gain and high accuracy, making it ideal for monitoring and control systems.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VSS: Ground
  • VCC: Positive Power Supply
  • AIN+: Non-Inverting Input
  • AIN-: Inverting Input
  • VOUT: Analog Output
  • VS-: Negative Supply Voltage
  • VS+: Positive Supply Voltage
  • SCK: Serial Clock Input
  • SDI: Serial Data Input
  • SDO: Serial Data Output
  • RDY: Ready Output
  • CNV: Convert Input
  • GND: Power Ground

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the INA228AIDGSR for a visual representation.

Key Features

  • High-Precision Current Sense Amplifier: Provides accurate current measurements for monitoring systems.
  • Integrated A/D Converter: Features an integrated ADC for digital output of current measurements.
  • Adjustable Gain: Offers adjustable gain settings for flexibility in current sensing applications.
  • High Accuracy: Ensures precise current measurements for critical systems.
  • Wide Supply Voltage Range: Works with supply voltages from ±2.25V to ±18V, enhancing compatibility with different systems.
  • Low Power Consumption: Operates with low power consumption, suitable for energy-efficient designs.

Note: For detailed technical specifications, please refer to the INA228AIDGSR datasheet.

Application

  • Power Management Systems: Suitable for current monitoring in power management applications.
  • Industrial Automation: Used for current sensing in industrial automation systems.
  • Battery Management: Ideal for monitoring current in battery management systems.

Functionality

The INA228AIDGSR is a high-precision current sense amplifier with an integrated A/D converter, offering accurate current measurements with adjustable gain settings. It is designed for various monitoring and control applications, ensuring reliable performance in critical systems.

Usage Guide

  • Power Supply: Connect VCC (Pin 2) and VS+ (Pin 6) to the positive power supply.
  • Current Sensing: Connect the AIN+ (Pin 3) and AIN- (Pin 4) to the current measurement points.
  • Data Interface: Use the SCK, SDI, and SDO pins for serial communication with the amplifier.

Frequently Asked Questions

Q: What is the resolution of the integrated A/D converter in the INA228AIDGSR?
A: The INA228AIDGSR features a 16-bit ADC for high-resolution current measurements.

Q: Can the INA228AIDGSR operate with single-supply voltage?
A: Yes, the INA228AIDGSR can operate with supply voltages from +2.25V to +18V, allowing for single-supply operation.

Equivalent

For similar functionalities, consider these alternatives to the INA228AIDGSR:

  • INA219: A current sensor IC with integrated A/D converter from Texas Instruments, providing comparable current measurement capabilities.
  • MAX4376: This current sense amplifier from Maxim Integrated offers high precision and adjustable gain for current sensing applications.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Common-mode voltage (max) (V) 85 Common-mode voltage (min) (V) -0.3
Input offset (±) (max) (µV) 1 Input offset drift (±) (max) (µV/°C) 0.01
Input offset drift (±) (typ) (µV/°C) 0.002 Voltage gain (V/V) 1
CMRR (min) (dB) 154 Bandwidth (kHz) 10
Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 2.7
Iq (max) (mA) 1.1 Digital interface I2C
Gain error (%) 0.05 Gain error drift (±) (max) (ppm/°C) 20
Features Alert Function, Bidirectional, Digital Temp Monitor, Integrated Power Accumulator, Integrated Power Monitor, Low-side Capable, Ultra precise Number of channels 1
Resolution (Bits) 20 Power measurement accuracy (%) 0.1
Rating Catalog Operating temperature range (°C) -40 to 125

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