仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| AmplifierType | Current Sense |
| NumberofCircuits | 1 |
| SlewRate | 1V/µs |
| -3dbBandwidth | 250 kHz |
| Current-InputBias | 130 µA |
| Voltage-InputOffset | 200 µV |
| Current-Supply | 2.6mA |
| Voltage-SupplySpan(Min) | 2.7 V |
| Voltage-SupplySpan(Max) | 5.5 V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) |
概要
Description
The AD8418BRMZ-RL is a precision, high-voltage, current-sense amplifier designed by Analog Devices. It is used primarily for current monitoring and control in various applications. The device features a wide input common-mode voltage range from −2 V to +70 V, making it suitable for a variety of high-side and low-side current sensing applications.
The AD8418BRMZ-RL offers high accuracy with a low offset voltage and low gain error, providing 60 V/V gain, which ensures precise current measurement. It operates over a wide temperature range, ensuring reliability in harsh environments, and has robust protection against electrostatic discharge (ESD) and other transient events.
The amplifier comes in a compact MSOP (Mini Small Outline Package) package, making it suitable for space-constrained applications. It features rail-to-rail output, allowing for maximum dynamic range and flexibility. Typical applications include automotive, industrial, and power management systems where monitoring of current is essential for system efficiency and safety.
The AD8418BRMZ-RL offers high accuracy with a low offset voltage and low gain error, providing 60 V/V gain, which ensures precise current measurement. It operates over a wide temperature range, ensuring reliability in harsh environments, and has robust protection against electrostatic discharge (ESD) and other transient events.
The amplifier comes in a compact MSOP (Mini Small Outline Package) package, making it suitable for space-constrained applications. It features rail-to-rail output, allowing for maximum dynamic range and flexibility. Typical applications include automotive, industrial, and power management systems where monitoring of current is essential for system efficiency and safety.
Equivalent
The AD8418BRMZ-RL is a high precision current sense amplifier by Analog Devices. Equivalent products from other manufacturers that offer similar functions include the INA240 from Texas Instruments, MAX4080 from Maxim Integrated, and the TSC2010 by STMicroelectronics. It's important to compare the exact specifications, such as supply voltage, bandwidth, accuracy, and package type, to ensure compatibility with your specific application.
Features
The AD8418BRMZ-RL is a high-precision, bidirectional current sense amplifier from Analog Devices. It is designed for use in various applications requiring accurate current measurement. Key features include:
1. Wide Input Common-Mode Voltage Range: The amplifier supports a range from -2 V to +70 V, enabling use in a variety of power systems.
2. High Accuracy: It offers excellent accuracy with a gain error of just 0.1% and an offset voltage of 200 µV maximum, ensuring precise current measurement.
3. Wide Temperature Range: The device operates reliably over an extended temperature range from -40°C to +125°C, making it suitable for automotive and industrial applications.
4. High Bandwidth: With a bandwidth of 250 kHz, it is suitable for fast transient response measurements.
5. Low Offset Drift: The low offset drift of 1 µV/°C enhances measurement stability over temperature variations.
6. High CMRR: It features an exceptional common-mode rejection ratio of 114 dB, minimizing errors caused by common-mode voltage variations.
These features make the AD8418BRMZ-RL well-suited for current sensing in applications such as motor control, battery management, and power supply monitoring.
1. Wide Input Common-Mode Voltage Range: The amplifier supports a range from -2 V to +70 V, enabling use in a variety of power systems.
2. High Accuracy: It offers excellent accuracy with a gain error of just 0.1% and an offset voltage of 200 µV maximum, ensuring precise current measurement.
3. Wide Temperature Range: The device operates reliably over an extended temperature range from -40°C to +125°C, making it suitable for automotive and industrial applications.
4. High Bandwidth: With a bandwidth of 250 kHz, it is suitable for fast transient response measurements.
5. Low Offset Drift: The low offset drift of 1 µV/°C enhances measurement stability over temperature variations.
6. High CMRR: It features an exceptional common-mode rejection ratio of 114 dB, minimizing errors caused by common-mode voltage variations.
These features make the AD8418BRMZ-RL well-suited for current sensing in applications such as motor control, battery management, and power supply monitoring.
Pinout
The AD8418BRMZ-RL is a high precision, high bandwidth current sense amplifier manufactured by Analog Devices. It is designed to measure voltage across a shunt resistor in a variety of applications such as motor control, power management, and battery monitoring.
The AD8418BRMZ-RL comes in an 8-pin MSOP package. The pin functions are as follows:
1. V+: Positive supply voltage.
2. REF1: Reference input 1; used for setting the zero output point.
3. REF2: Reference input 2; can be used for differential referencing.
4. OUT: Output pin; provides the amplified voltage.
5. GND: Ground.
6. IN+: Non-inverting input; connected to the positive side of the shunt resistor.
7. IN-: Inverting input; connected to the negative side of the shunt resistor.
8. NC: No connection; not internally connected, typically used for mechanical stability.
This device is known for its excellent DC precision, wide bandwidth, and ability to operate over a wide temperature range, making it suitable for various demanding environments.
The AD8418BRMZ-RL comes in an 8-pin MSOP package. The pin functions are as follows:
1. V+: Positive supply voltage.
2. REF1: Reference input 1; used for setting the zero output point.
3. REF2: Reference input 2; can be used for differential referencing.
4. OUT: Output pin; provides the amplified voltage.
5. GND: Ground.
6. IN+: Non-inverting input; connected to the positive side of the shunt resistor.
7. IN-: Inverting input; connected to the negative side of the shunt resistor.
8. NC: No connection; not internally connected, typically used for mechanical stability.
This device is known for its excellent DC precision, wide bandwidth, and ability to operate over a wide temperature range, making it suitable for various demanding environments.
Manufacturer
The AD8418BRMZ-RL is manufactured by Analog Devices, Inc. Analog Devices is a multinational company that specializes in designing and manufacturing semiconductor products and signal processing solutions. The company is known for its wide array of electronic components and systems used in various industries, including automotive, communications, industrial, and consumer electronics. Its products are crucial for applications requiring precise measurement and control, such as sensors, data converters, amplifiers, and power management devices.
Application
The AD8418BRMZ-RL is a high precision, high voltage current sense amplifier designed for various applications. Its primary application areas include automotive systems, where it is used for battery management, motor control, and current monitoring in electric and hybrid vehicles. It is also used in industrial automation and control systems for monitoring current in power supplies and motor drives. Additionally, the AD8418BRMZ-RL is suitable for use in renewable energy systems, such as solar inverters and wind turbines, where precise current sensing is critical. Its wide operating temperature range and high accuracy make it ideal for demanding environments.
Package
The AD8418BRMZ-RL is a current sense amplifier from Analog Devices. It comes in an SOIC (Small Outline Integrated Circuit) package type with 8 pins. The "-RL" indicates that the product is supplied on a reel, suitable for automated assembly processes.
