INA148QDRQ1

Product Overview

Category: Integrated Circuit (IC)

Use: The INA148QDRQ1 is a high-precision, low-power, and low-noise instrumentation amplifier designed for automotive applications. It is specifically tailored for use in automotive systems that require accurate signal amplification and noise reduction.

Characteristics: - High precision: The INA148QDRQ1 offers excellent accuracy and linearity, making it suitable for demanding automotive applications. - Low power consumption: This IC is designed to operate efficiently with minimal power consumption, ensuring optimal performance in automotive systems. - Low noise: The INA148QDRQ1 features a low noise level, enabling clear and reliable signal amplification in noisy automotive environments.

Package: The INA148QDRQ1 comes in a small outline package (SOIC) with 14 pins. This compact package allows for easy integration into automotive circuit boards.

Essence: The essence of the INA148QDRQ1 lies in its ability to provide precise and low-noise amplification of signals in automotive systems, enhancing overall system performance.

Packaging/Quantity: The INA148QDRQ1 is typically available in reels containing 2500 units per reel.

Specifications

• Supply voltage range: 2.7V to 5.5V
• Input offset voltage: ±150µV (maximum)
• Gain bandwidth product: 1MHz (typical)
• Common-mode rejection ratio: 86dB (typical)
• Operating temperature range: -40°C to +125°C

Pin Configuration

The INA148QDRQ1 has the following pin configuration:

```

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| | --| V- | --| IN- | --| REF- | --| V+ | --| OUT | --| REF+ | --| IN+ | --| V- | --| NC | --| NC | --| GND | --| V- | |___________| ```

Functional Features

• High gain accuracy: The INA148QDRQ1 provides precise amplification of input signals, ensuring accurate measurement and control in automotive systems.
• Low noise operation: With its low-noise characteristics, this IC minimizes signal distortion caused by external interference, resulting in reliable and clear output signals.
• Wide supply voltage range: The INA148QDRQ1 can operate within a wide range of supply voltages, making it compatible with various automotive power systems.
• Robust design: This IC is designed to withstand harsh automotive environments, including temperature variations, vibrations, and electromagnetic interference.

Advantages and Disadvantages

Advantages: - High precision amplification - Low power consumption - Low noise operation - Wide supply voltage range - Robust design for automotive applications

Disadvantages: - Limited availability in smaller quantities - Relatively higher cost compared to standard amplifiers

Working Principles

The INA148QDRQ1 operates based on the principle of differential amplification. It amplifies the difference between the two input signals while rejecting common-mode noise. This allows for accurate measurement and control of signals in automotive systems.

Detailed Application Field Plans

The INA148QDRQ1 is widely used in various automotive applications, including: - Engine control units (ECUs) - Transmission control modules - Anti-lock braking systems (ABS) - Airbag control systems - Fuel injection systems - Battery management systems

Its high precision, low power consumption, and low noise characteristics make it suitable for these critical automotive applications.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the INA148QDRQ1 include: - AD8221 - MCP6N11 - LT1167 - MAX4209

These alternative models can be considered based on specific application requirements and availability.

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