INA240A3QDRQ1

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INA240A3QDRQ1

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  • 제조업체 부품 #INA240A3QDRQ1

  • 데이터시트 INA240A3QDRQ1 DataSheet

  • 재고6319

365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

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사양

속성 가치
Package / Case Bulk
Series Automotive, AEC-Q100, Zero-Drift
Part Status Active
Amplifier Type Current Sense
Number of Circuits 1
Slew Rate 2V/µs
-3 dB Bandwidth 400 kHz
Current - Input Bias 90 µA
Voltage - Input Offset 5 µV
Supply Current 1.8mA
Voltage - Supply Span(Min) 2.7 V
Voltage - Supply Span(Max) 5.5 V
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount

개요

Description

The INA240A3QDRQ1 is a high-precision, current-sensing amplifier from Texas Instruments, designed for automotive applications. It is part of the INA240-Q1 series, which is known for its ability to accurately measure bidirectional currents on common-mode voltages ranging from -4V to +80V, making it suitable for high-side or low-side current sensing. This particular model offers a gain of 100 V/V, providing enhanced signal amplification for low-level current measurements.
One of the key features of the INA240A3QDRQ1 is its enhanced PWM rejection, ensuring high accuracy and performance in environments where pulse-width modulation signals are present. The device operates over a wide temperature range, from -40°C to +125°C, which is crucial for automotive and other demanding applications.
Additionally, the INA240A3QDRQ1 comes in a small SOIC-8 package, allowing for space-efficient designs. Its robust performance, precision, and automotive qualification (AEC-Q100) make it an excellent choice for current-sensing applications in electric vehicles, battery management systems, and other automotive electronics.

Equivalent

The INA240A3QDRQ1 is a high-precision current sense amplifier from Texas Instruments. Equivalent products from other manufacturers include:
1. MAX40080 from Maxim Integrated: Offers similar current sensing capabilities with high precision.
2. LT1999-10 from Analog Devices: A comparable current sense amplifier with differential input.
3. INA180 series from Texas Instruments: More basic with similar functionality.
4. ZXCT series from Diodes Incorporated: Provides similar current sensing solutions.
Always verify specific parameters and requirements to ensure compatibility.

Features

The INA240A3QDRQ1 is a high-precision, automotive-grade current sense amplifier. Key features include:
1. Wide Common-Mode Voltage Range: Operates from -4V to +80V, making it versatile for various applications.
2. Precision: Offers low offset voltage and drift, ensuring accurate current measurements.
3. High Bandwidth: Provides a bandwidth of up to 400 kHz, suitable for fast response applications.
4. Over-the-Top Capability: Maintains performance even when common-mode voltage exceeds supply voltage.
5. Enhanced PWM Rejection: Features advanced circuitry to reject PWM-induced errors, enhancing measurement accuracy in motor control and other PWM-driven applications.
6. Automotive-Grade: AEC-Q100 qualified, ensuring reliability in automotive environments.
7. Temperature Range: Operates over a wide temperature range of -40°C to +125°C, suitable for harsh conditions.
8. Gain Option: Offers a fixed gain option for design flexibility.
9. Package: Available in a small, space-saving package, making it ideal for compact designs.
These features make the INA240A3QDRQ1 well-suited for precise current monitoring in automotive, industrial, and other demanding environments.

Pinout

The INA240A3QDRQ1 is a current sense amplifier manufactured by Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a concise overview of its pin configuration and functions:
1. V+ (Pin 1): Power supply pin where the device is powered, typically 2.7V to 5.5V.
2. IN+ (Pin 2): Non-inverting input for the differential voltage across the shunt resistor.
3. IN- (Pin 3): Inverting input for the differential voltage across the shunt resistor.
4. REF1 (Pin 4): Reference voltage input 1, used to set the output voltage reference level.
5. REF2 (Pin 5): Reference voltage input 2, typically tied to REF1 for single-ended output. It can be used for differential reference.
6. OUT (Pin 6): Output pin that provides the amplified differential voltage.
7. GND (Pin 7): Ground pin for the device.
8. NC (Pin 8): No connection, typically used for mechanical support.
The INA240A3QDRQ1 is designed for precise current measurements in high-side applications, featuring enhanced PWM rejection and high accuracy.

Manufacturer

The INA240A3QDRQ1 is manufactured by Texas Instruments (TI), a global technology company. Texas Instruments is known for designing and manufacturing semiconductors and various integrated circuits. They supply a wide range of products for electronics, including analog devices, digital signal processors, microcontrollers, and other semiconductor solutions. TI operates in several markets, such as industrial, automotive, personal electronics, communications equipment, and enterprise systems. The company is renowned for its innovation and extensive portfolio of products that support engineers and designers worldwide in creating efficient, reliable, and high-performing electronic systems.

Application

The INA240A3QDRQ1 is a high-precision current sense amplifier designed for applications requiring accurate current measurement and monitoring. Key application areas include automotive systems, such as electric power steering, battery management systems, and motor control; industrial applications, like motor drives and solenoid control; and power management systems, including power supply and converter monitoring. Its ability to handle high common-mode voltages and provide precise current measurements makes it suitable for use in environments where accurate current sensing is critical.

Package

The INA240A3QDRQ1 is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package.

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