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INA181A1QDBVRQ1
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HerstellerTexas Instruments
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Herstellerteil #INA181A1QDBVRQ1
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Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | Automotive, AEC-Q100 |
| Part Status | Active |
| Amplifier Type | Current Sense |
| Number of Circuits | 1 |
| Output Type | Rail-to-Rail |
| Slew Rate | 2V/µs |
| -3 dB Bandwidth | 350 kHz |
| Current - Input Bias | 75 µA |
| Voltage - Input Offset | 100 µV |
| Supply Current | 195µA |
| Current - Output / Channel | 8 mA |
| 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 |
Übersicht
Description
The INA181A1QDBVRQ1 is a precision, bidirectional current sense amplifier designed for applications where accurate current measurements are crucial. It is part of Texas Instruments' INA181-Q1 series, engineered to operate in automotive environments, making it suitable for use in high-temperature and harsh conditions. The device offers excellent performance with a high common-mode voltage range of –0.2V to +26V, allowing it to be used in various battery monitoring and management systems.
The amplifier provides a fixed gain, simplifying its integration into systems by eliminating the need for external gain-setting resistors. The INA181A1QDBVRQ1 features low offset voltage and drift, ensuring high precision in current measurements. It operates with a single supply voltage, enhancing its versatility across different applications.
The device is offered in a small SOT-23 package, making it suitable for compact circuit designs. Its automotive-grade qualification (Q1) ensures reliability in rigorous automotive applications, supporting robust designs for battery monitoring, motor control, and other current sensing tasks in vehicles and industrial systems.
The amplifier provides a fixed gain, simplifying its integration into systems by eliminating the need for external gain-setting resistors. The INA181A1QDBVRQ1 features low offset voltage and drift, ensuring high precision in current measurements. It operates with a single supply voltage, enhancing its versatility across different applications.
The device is offered in a small SOT-23 package, making it suitable for compact circuit designs. Its automotive-grade qualification (Q1) ensures reliability in rigorous automotive applications, supporting robust designs for battery monitoring, motor control, and other current sensing tasks in vehicles and industrial systems.
Equivalent
The INA181A1QDBVRQ1 is a current sense amplifier from Texas Instruments. Equivalent products may include:
1. Maxim Integrated MAX40080
2. Analog Devices AD8418A
3. Allegro Microsystems ACS70331
4. Microchip Technology MCP6071
These alternatives offer similar functionalities, though specifications like bandwidth, input offset voltage, and supply voltage may vary slightly. Always consult datasheets to ensure compatibility with your specific application.
1. Maxim Integrated MAX40080
2. Analog Devices AD8418A
3. Allegro Microsystems ACS70331
4. Microchip Technology MCP6071
These alternatives offer similar functionalities, though specifications like bandwidth, input offset voltage, and supply voltage may vary slightly. Always consult datasheets to ensure compatibility with your specific application.
Features
The INA181A1QDBVRQ1 is a part of the INA181-Q1 series, a family of voltage-output, current-sense amplifiers by Texas Instruments. Key features include:
1. Automotive Grade: It is AEC-Q100 qualified for automotive applications, making it suitable for use in harsh environments.
2. Wide Common-Mode Voltage Range: Operates from -0.2V to +26V, enabling it to be used in a variety of applications.
3. Rail-to-Rail Output: Allows for full-range output swings, providing flexibility in interfacing with different systems.
4. Low Quiescent Current: Consumes minimal power, making it energy-efficient.
5. High Bandwidth: Offers a bandwidth of up to 350 kHz, allowing for fast transient response.
6. High Accuracy: Provides low offset voltage (±150 μV) and low gain error, ensuring precise current sensing.
7. Compact Package: Available in a small SOT-23-6 package, facilitating space-saving designs.
These features make the INA181A1QDBVRQ1 ideal for current sensing in battery management systems, motor controls, and other automotive applications.
1. Automotive Grade: It is AEC-Q100 qualified for automotive applications, making it suitable for use in harsh environments.
2. Wide Common-Mode Voltage Range: Operates from -0.2V to +26V, enabling it to be used in a variety of applications.
3. Rail-to-Rail Output: Allows for full-range output swings, providing flexibility in interfacing with different systems.
4. Low Quiescent Current: Consumes minimal power, making it energy-efficient.
5. High Bandwidth: Offers a bandwidth of up to 350 kHz, allowing for fast transient response.
6. High Accuracy: Provides low offset voltage (±150 μV) and low gain error, ensuring precise current sensing.
7. Compact Package: Available in a small SOT-23-6 package, facilitating space-saving designs.
These features make the INA181A1QDBVRQ1 ideal for current sensing in battery management systems, motor controls, and other automotive applications.
Pinout
The INA181A1QDBVRQ1 is a current-sense amplifier from Texas Instruments. It typically comes in a 6-pin SOT-23 package. The primary function of this device is to amplify the voltage difference between two input pins, which can be used to measure current flowing through a shunt resistor. This device is designed for high-precision current sensing in various applications, such as power management and battery monitoring.
The pin configuration for the SOT-23 package is generally as follows:
1. IN+: Non-inverting input
2. IN-: Inverting input
3. GND: Ground
4. OUT: Output
5. VS: Supply voltage
6. REF: Reference voltage
These amplifiers are designed to work with a wide range of supply voltages and offer excellent performance in terms of low offset voltage and high gain accuracy.
The pin configuration for the SOT-23 package is generally as follows:
1. IN+: Non-inverting input
2. IN-: Inverting input
3. GND: Ground
4. OUT: Output
5. VS: Supply voltage
6. REF: Reference voltage
These amplifiers are designed to work with a wide range of supply voltages and offer excellent performance in terms of low offset voltage and high gain accuracy.
Manufacturer
The INA181A1QDBVRQ1 is manufactured by Texas Instruments, an American technology company. Texas Instruments is a leading global semiconductor company that designs and manufactures a wide variety of analog and embedded processing chips. The company was founded in 1930 and is headquartered in Dallas, Texas. Texas Instruments is known for its innovation in the development of electronic components and integrated circuits used in various applications, including automotive, industrial, consumer electronics, and communication sectors.
Application
The INA181A1QDBVRQ1 is a current-sensing amplifier commonly used in automotive and industrial applications. Its primary application areas include battery management systems, motor control, overcurrent protection, and power supply monitoring. The device's ability to operate over a wide supply voltage range and its high-precision current measurement capability make it suitable for use in electric vehicles, load detection, and energy metering systems. Additionally, its small package size and robustness against harsh environments make it ideal for circuit protection and diagnostic applications in automotive systems.
Package
The INA181A1QDBVRQ1 is a current sense amplifier from Texas Instruments and is typically packaged in a SOT-23-6 configuration. The SOT-23-6 package is a small, surface-mount, six-pin package designed for space-efficient applications.
