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INA240A1QDRQ1
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FabricanteTexas Instruments
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Peça do Fabricante #INA240A1QDRQ1
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Especificações
| Atributo | Valor |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| 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 |
| Mounting Type | Surface Mount |
Visão Geral
Description
The INA240A1QDRQ1 is a precision current-sense amplifier designed by Texas Instruments, suitable for high-side and low-side current sensing in automotive and industrial applications. It features enhanced PWM rejection capabilities, making it ideal for use in systems with pulse-width modulated signals. The device operates over a wide supply voltage range from 2.7V to 5.5V and can handle common-mode voltages from -4V to +80V, allowing for flexibility in various circuit designs.
Key specifications include a fixed gain of 20 V/V, low offset voltage, low drift, and a high bandwidth of up to 400 kHz, which ensures accurate current measurements in dynamic environments. The INA240A1QDRQ1 is AEC-Q100 qualified, making it suitable for automotive applications requiring high reliability and performance under harsh conditions. Its small package size, enhanced EMI performance, and robust design contribute to its effectiveness in monitoring current in motors, solenoids, and other load-driving applications. This amplifier is particularly useful in systems that demand precision current monitoring and stability across a wide range of operating conditions.
Key specifications include a fixed gain of 20 V/V, low offset voltage, low drift, and a high bandwidth of up to 400 kHz, which ensures accurate current measurements in dynamic environments. The INA240A1QDRQ1 is AEC-Q100 qualified, making it suitable for automotive applications requiring high reliability and performance under harsh conditions. Its small package size, enhanced EMI performance, and robust design contribute to its effectiveness in monitoring current in motors, solenoids, and other load-driving applications. This amplifier is particularly useful in systems that demand precision current monitoring and stability across a wide range of operating conditions.
Equivalent
The INA240A1QDRQ1 is a precision current sense amplifier from Texas Instruments, designed for high-side current sensing applications. Equivalent products might include:
1. Maxim Integrated MAX40080
2. Analog Devices AD8418
3. Allegro Microsystems ACS780
4. STMicroelectronics TSC2010
These alternatives offer similar functionalities like high bandwidth, precision measurement, and are suitable for automotive applications. Always verify specific requirements like pin compatibility and electrical characteristics when considering replacements.
1. Maxim Integrated MAX40080
2. Analog Devices AD8418
3. Allegro Microsystems ACS780
4. STMicroelectronics TSC2010
These alternatives offer similar functionalities like high bandwidth, precision measurement, and are suitable for automotive applications. Always verify specific requirements like pin compatibility and electrical characteristics when considering replacements.
Pinout
The INA240A1QDRQ1 is a current sense amplifier manufactured by Texas Instruments. It typically comes in an 8-pin package. Here are the pin functions:
1. V+: Power supply pin. Connect to a voltage source within the specified operating range.
2. IN+: Non-inverting input. Connect to the positive side of the shunt resistor.
3. IN-: Inverting input. Connect to the negative side of the shunt resistor.
4. REF1: Reference voltage input 1. Used for setting the output reference voltage.
5. REF2: Reference voltage input 2. Used for additional reference voltage setting and flexibility.
6. OUT: Output pin. Provides the amplified voltage corresponding to the sensed current.
7. GND: Ground pin. Connect to system ground.
8. NC (No Connect): Typically, no internal connection but should be left unconnected or connected to ground for mechanical stability depending on your design requirements.
The INA240A1QDRQ1 is specifically designed for high-side or low-side current sensing and offers features such as enhanced PWM rejection for better performance in noisy environments.
1. V+: Power supply pin. Connect to a voltage source within the specified operating range.
2. IN+: Non-inverting input. Connect to the positive side of the shunt resistor.
3. IN-: Inverting input. Connect to the negative side of the shunt resistor.
4. REF1: Reference voltage input 1. Used for setting the output reference voltage.
5. REF2: Reference voltage input 2. Used for additional reference voltage setting and flexibility.
6. OUT: Output pin. Provides the amplified voltage corresponding to the sensed current.
7. GND: Ground pin. Connect to system ground.
8. NC (No Connect): Typically, no internal connection but should be left unconnected or connected to ground for mechanical stability depending on your design requirements.
The INA240A1QDRQ1 is specifically designed for high-side or low-side current sensing and offers features such as enhanced PWM rejection for better performance in noisy environments.
Manufacturer
The INA240A1QDRQ1 is manufactured by Texas Instruments, a global semiconductor design and manufacturing company. Texas Instruments, commonly known as TI, is one of the largest and most established companies in the electronics industry. It specializes in developing analog chips and embedded processors, which are integral to a variety of electronic applications across different sectors, including automotive, industrial, personal electronics, and communications equipment. TI is known for its innovation and comprehensive portfolio of products that cater to complex electronic requirements, continually advancing technology to enable smarter, safer, and more efficient performance in electronic systems.
Application
The INA240A1QDRQ1 is a precision current-sense amplifier commonly used in various application areas, including automotive systems for current monitoring in motor control, battery management, and power steering. It is also applicable in industrial equipment for load detection, overcurrent protection, and energy monitoring. Additionally, it finds use in power management systems for consumer electronics, server power supplies, and photovoltaic solar inverters. Its high precision and ability to operate in wide temperature ranges make it suitable for applications requiring accurate current measurement under challenging conditions.
Package
The INA240A1QDRQ1 is a current sense amplifier from Texas Instruments, and it comes in a SOIC (Small Outline Integrated Circuit) package with 8 pins.
