INA4180A2QPWRQ1

Product Overview

Category: Integrated Circuit (IC)

Use: The INA4180A2QPWRQ1 is a high-precision, low-power, zero-drift instrumentation amplifier designed for automotive applications. It provides accurate amplification of small differential input signals in harsh environments.

Characteristics: - High precision: The INA4180A2QPWRQ1 offers excellent accuracy with low offset voltage and low offset drift over temperature. - Low power consumption: It operates at low supply voltages and consumes minimal power, making it suitable for battery-powered applications. - Zero-drift architecture: The zero-drift technology ensures long-term stability and eliminates the need for external calibration. - Automotive-grade: This IC is specifically designed to meet the stringent requirements of the automotive industry, including extended temperature range and robustness against electromagnetic interference.

Package: The INA4180A2QPWRQ1 comes in a small-sized, surface-mount package, known as TSSOP-16. This package offers good thermal performance and ease of integration onto PCBs.

Essence: The essence of the INA4180A2QPWRQ1 lies in its ability to provide highly accurate amplification of small differential signals in automotive applications while maintaining stability and low power consumption.

Packaging/Quantity: The INA4180A2QPWRQ1 is typically available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Offset Voltage: ±25µV (maximum)
• Input Offset Drift: ±0.05µV/°C (maximum)
• Gain Bandwidth Product: 500kHz (typical)
• Common Mode Rejection Ratio: 120dB (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA4180A2QPWRQ1 has a total of 16 pins, which are assigned specific functions as follows:

1. IN-: Negative differential input
2. IN+: Positive differential input
3. REF-: Reference voltage negative input
4. REF+: Reference voltage positive input
5. VCM: Common-mode voltage output
6. OUT: Amplified output
7. GND: Ground
8. NC: No connection (unused pin)
9. NC: No connection (unused pin)
10. NC: No connection (unused pin)
11. NC: No connection (unused pin)
12. NC: No connection (unused pin)
13. NC: No connection (unused pin)
14. NC: No connection (unused pin)
15. V+: Positive supply voltage
16. NC: No connection (unused pin)

Functional Features

• High gain accuracy and linearity
• Low noise and distortion
• Wide common-mode voltage range
• Rail-to-rail output swing capability
• Overvoltage and reverse polarity protection
• EMI filtering for improved electromagnetic compatibility

Advantages and Disadvantages

Advantages: - High precision and stability - Low power consumption - Automotive-grade reliability - Small package size for space-constrained applications - Wide operating temperature range

Disadvantages: - Limited maximum supply voltage range - Higher cost compared to standard amplifiers

Working Principles

The INA4180A2QPWRQ1 utilizes a zero-drift architecture to achieve high precision amplification. It employs a combination of chopper stabilization and auto-zeroing techniques to minimize offset voltage and drift over time and temperature. This ensures accurate signal amplification even in harsh automotive environments.

Detailed Application Field Plans

The INA4180A2QPWRQ1 is specifically designed for automotive applications that require accurate amplification of small differential signals. Some common application areas include:

1. Automotive sensor interfaces
2. Battery management systems
3. Engine control units
4. Powertrain systems
5. Active suspension systems

Detailed and Complete Alternative Models

• INA4180A1QPWRQ1: Similar to the INA4180A2QPWRQ1, but with a different pin configuration.
• INA4180B2QPWRQ1: A higher-gain version of the INA4180A2QPWRQ1, suitable for applications requiring greater amplification.

These alternative models offer similar functionality and performance characteristics, providing flexibility in design choices.

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