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規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Amplifier Type | Current Sense |
| Number of Circuits | 1 |
| Slew Rate | 0.4V/µs |
| Gain Bandwidth Product | 7 kHz |
| Current - Input Bias | 28 µA |
| Voltage - Input Offset | 0.55 µV |
| Supply Current | 65µA |
| Voltage - Supply Span(Min) | 2.7 V |
| Voltage - Supply Span(Max) | 26 V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
概述
Description
The INA211AIDCKR is a precision, high-side, current-sense amplifier from Texas Instruments. Designed to monitor current in industrial, automotive, and power management applications, it offers a wide operating voltage range and high accuracy. The device amplifies the voltage across a shunt resistor to provide an output voltage proportional to the sensed current, simplifying the measurement of load currents. Key features include a high voltage range (up to 26V), low offset voltage, and fast response times, making it suitable for dynamic current measurements. Its small SC70 package allows for compact designs, and the device provides a fixed gain, reducing the need for additional external components. The INA211AIDCKR is known for its reliability and is often used in battery management systems, power supplies, and motor controls. Its robust design helps in maintaining precision even under harsh operating conditions, making it a versatile choice for current sensing applications.
Equivalent
The INA211AIDCKR is a precision instrumentation amplifier from Texas Instruments. Equivalent products with similar functionalities include:
1. MAX9634 by Maxim Integrated: Offers similar current sensing capabilities.
2. AD8207 by Analog Devices: Another option for high-side current sensing.
3. LT1999 by Analog Devices (formerly Linear Technology): Provides current sensing with a similar wide common-mode range.
Always check specific electrical characteristics and pin compatibility to ensure proper substitution.
1. MAX9634 by Maxim Integrated: Offers similar current sensing capabilities.
2. AD8207 by Analog Devices: Another option for high-side current sensing.
3. LT1999 by Analog Devices (formerly Linear Technology): Provides current sensing with a similar wide common-mode range.
Always check specific electrical characteristics and pin compatibility to ensure proper substitution.
Features
The INA211AIDCKR is a precision, low-power, voltage-output, current-shunt monitor designed by Texas Instruments. Key features include:
1. Wide Supply Voltage Range: Operates from 2.7V to 26V, allowing flexibility in various applications.
2. Current Sensing: Measures voltage across a shunt resistor to determine current flow with a high level of accuracy.
3. Amplification: Provides a fixed gain of 500V/V, enabling effective amplification of small differential input signals.
4. Low Offset Voltage: Ensures precise measurements with a low offset voltage, contributing to high accuracy.
5. Wide Common-Mode Range: Capable of handling common-mode voltages from –0.3V to 26V, suitable for high-side and low-side current sensing.
6. Low Power Consumption: Designed for low power operation, making it ideal for battery-powered applications.
7. Package: Available in a compact SOT-23 package, allowing for space-efficient design implementations.
8. Temperature Range: Reliable performance over an extended temperature range from –40°C to +125°C, suitable for industrial applications.
These features make the INA211AIDCKR ideal for applications that require accurate current monitoring and low power consumption.
1. Wide Supply Voltage Range: Operates from 2.7V to 26V, allowing flexibility in various applications.
2. Current Sensing: Measures voltage across a shunt resistor to determine current flow with a high level of accuracy.
3. Amplification: Provides a fixed gain of 500V/V, enabling effective amplification of small differential input signals.
4. Low Offset Voltage: Ensures precise measurements with a low offset voltage, contributing to high accuracy.
5. Wide Common-Mode Range: Capable of handling common-mode voltages from –0.3V to 26V, suitable for high-side and low-side current sensing.
6. Low Power Consumption: Designed for low power operation, making it ideal for battery-powered applications.
7. Package: Available in a compact SOT-23 package, allowing for space-efficient design implementations.
8. Temperature Range: Reliable performance over an extended temperature range from –40°C to +125°C, suitable for industrial applications.
These features make the INA211AIDCKR ideal for applications that require accurate current monitoring and low power consumption.
Pinout
The INA211AIDCKR is a current shunt monitor or current sense amplifier from Texas Instruments. It is typically used for precision current measurement in various applications. This device comes in a SC70 package and has a total of 6 pins. The pin functions are as follows:
1. IN+: Non-inverting input for connecting to the high side of the shunt resistor.
2. IN-: Inverting input for connecting to the low side of the shunt resistor.
3. GND: Ground connection.
4. OUT: Output pin where the amplified voltage proportional to the measured current is available.
5. V+: Power supply pin for the device.
6. REF: Reference voltage input. This pin is used to set the output voltage reference level.
The INA211AIDCKR allows for high-precision current measurement with a fixed gain, which is critical in power management and monitoring systems.
1. IN+: Non-inverting input for connecting to the high side of the shunt resistor.
2. IN-: Inverting input for connecting to the low side of the shunt resistor.
3. GND: Ground connection.
4. OUT: Output pin where the amplified voltage proportional to the measured current is available.
5. V+: Power supply pin for the device.
6. REF: Reference voltage input. This pin is used to set the output voltage reference level.
The INA211AIDCKR allows for high-precision current measurement with a fixed gain, which is critical in power management and monitoring systems.
Manufacturer
The INA211AIDCKR is manufactured by Texas Instruments. Texas Instruments (TI) is a well-known American technology company that specializes in designing and manufacturing semiconductors and various integrated circuits, which are used in a variety of electronic devices and systems. TI is recognized for its role in producing microcontrollers, processors, analog signal chain components, and power management solutions, making it a key player in the electronics industry. The company serves a wide range of markets, including industrial, automotive, personal electronics, and communications equipment. Texas Instruments is renowned for its innovation and extensive product portfolio, catering to both consumer and enterprise applications.
Application
The INA211AIDCKR is a high-side, current-sense amplifier commonly used in various applications requiring precise current measurement. Its primary application areas include:
1. Battery Management Systems: Monitoring charge and discharge currents in battery packs.
2. Power Management: Over-current protection and power monitoring in power supply units.
3. Automotive Systems: Current measurement in electronic control units (ECUs) and infotainment systems.
4. Industrial Automation: Motor control and monitoring in automated systems.
5. Telecommunications: Power monitoring in network and communication equipment.
6. Consumer Electronics: Current sensing in laptops, smartphones, and other gadgets.
These applications benefit from the amplifier's high accuracy, wide supply voltage range, and ability to handle high common-mode voltages.
1. Battery Management Systems: Monitoring charge and discharge currents in battery packs.
2. Power Management: Over-current protection and power monitoring in power supply units.
3. Automotive Systems: Current measurement in electronic control units (ECUs) and infotainment systems.
4. Industrial Automation: Motor control and monitoring in automated systems.
5. Telecommunications: Power monitoring in network and communication equipment.
6. Consumer Electronics: Current sensing in laptops, smartphones, and other gadgets.
These applications benefit from the amplifier's high accuracy, wide supply voltage range, and ability to handle high common-mode voltages.
Package
The INA211AIDCKR is a current sense amplifier from Texas Instruments, available in a SC70-6 package type. This small outline package is designed for space-constrained applications and offers high performance for current sensing and monitoring in various electronic devices.
