사양
| 속성 | 가치 |
| Package | Tube |
| 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) |
개요
Description
The AD8418BRMZ is a high precision, low noise, automotive-grade current sense amplifier manufactured by Analog Devices. It is designed to amplify small differential voltages in the presence of large common-mode voltages, making it suitable for a wide range of current sensing applications, particularly in automotive systems.
Key features include:
- Wide common-mode voltage range: -2 V to +70 V, enabling use in various voltage environments.
- High accuracy and stability: Offers low offset voltage and low gain error, which are crucial for precise current measurements.
- High bandwidth: The amplifier supports a wide bandwidth of up to 250 kHz, making it suitable for fast transient response applications.
- Robust performance: The device offers excellent performance over a wide temperature range (-40°C to +125°C), ensuring reliability in harsh operating conditions.
- Integrated EMI filter: Provides immunity to radio frequency interference, which is significant in automotive environments.
This amplifier is packaged in a compact MSOP, making it easy to integrate into space-constrained designs. It is ideal for use in battery management systems, motor control, and other applications requiring precise current monitoring.
Key features include:
- Wide common-mode voltage range: -2 V to +70 V, enabling use in various voltage environments.
- High accuracy and stability: Offers low offset voltage and low gain error, which are crucial for precise current measurements.
- High bandwidth: The amplifier supports a wide bandwidth of up to 250 kHz, making it suitable for fast transient response applications.
- Robust performance: The device offers excellent performance over a wide temperature range (-40°C to +125°C), ensuring reliability in harsh operating conditions.
- Integrated EMI filter: Provides immunity to radio frequency interference, which is significant in automotive environments.
This amplifier is packaged in a compact MSOP, making it easy to integrate into space-constrained designs. It is ideal for use in battery management systems, motor control, and other applications requiring precise current monitoring.
Equivalent
The AD8418BRMZ is a high-voltage, precision current sense amplifier. Equivalent products include:
1. INA240 by Texas Instruments - Offers enhanced PWM rejection for precise current measurements.
2. MAX4080 by Maxim Integrated - A similar high-side current sense amplifier.
3. LT1999 by Analog Devices (formerly Linear Technology) - Provides high-speed current sensing.
4. INA282 by Texas Instruments - Features wide common-mode range and high accuracy.
Always verify specifications and compatibility with your specific application needs.
1. INA240 by Texas Instruments - Offers enhanced PWM rejection for precise current measurements.
2. MAX4080 by Maxim Integrated - A similar high-side current sense amplifier.
3. LT1999 by Analog Devices (formerly Linear Technology) - Provides high-speed current sensing.
4. INA282 by Texas Instruments - Features wide common-mode range and high accuracy.
Always verify specifications and compatibility with your specific application needs.
Features
The AD8418BRMZ is a high-precision, bi-directional current sense amplifier from Analog Devices. Key features include:
1. Wide Input Common-Mode Voltage Range: It can operate over a voltage range from −2 V to +70 V, making it suitable for various applications.
2. High Accuracy: The amplifier provides high accuracy with a typical offset voltage of 200 µV and a gain error of 0.1%.
3. High Bandwidth: It features a bandwidth of 250 kHz, enabling fast response in the detection of current changes.
4. Low Offset Drift: Offers a low offset drift of 2 µV/°C, ensuring stable performance over temperature variations.
5. Robust Build: Designed to withstand harsh environments with its high ESD rating and excellent EMI/RFI rejection.
6. Low Power Consumption: Operates with a low quiescent current, enhancing power efficiency.
7. Temperature Range: It functions over an extended temperature range from −40°C to +125°C.
8. Compact Package: Available in an MSOP-8 package, facilitating integration into space-constrained designs.
These features make the AD8418BRMZ ideal for applications in automotive, industrial, and power management systems.
1. Wide Input Common-Mode Voltage Range: It can operate over a voltage range from −2 V to +70 V, making it suitable for various applications.
2. High Accuracy: The amplifier provides high accuracy with a typical offset voltage of 200 µV and a gain error of 0.1%.
3. High Bandwidth: It features a bandwidth of 250 kHz, enabling fast response in the detection of current changes.
4. Low Offset Drift: Offers a low offset drift of 2 µV/°C, ensuring stable performance over temperature variations.
5. Robust Build: Designed to withstand harsh environments with its high ESD rating and excellent EMI/RFI rejection.
6. Low Power Consumption: Operates with a low quiescent current, enhancing power efficiency.
7. Temperature Range: It functions over an extended temperature range from −40°C to +125°C.
8. Compact Package: Available in an MSOP-8 package, facilitating integration into space-constrained designs.
These features make the AD8418BRMZ ideal for applications in automotive, industrial, and power management systems.
Pinout
The AD8418BRMZ is a high-precision current sense amplifier produced by Analog Devices. It comes in an 8-lead MSOP (Mini Small Outline Package) package. The primary function of the AD8418BRMZ is to amplify the differential voltage across a shunt resistor, which is used to measure current. This device is often utilized for current sensing in various applications, including automotive and industrial systems.
Here is a brief pinout and function overview for the AD8418BRMZ:
1. VIN+: Positive input for differential voltage.
2. VIN-: Negative input for differential voltage.
3. VOUT: Output voltage, proportional to the differential input.
4. REF1: Reference voltage input 1 (used for output offset adjustment).
5. REF2: Reference voltage input 2 (used for output offset adjustment).
6. GND: Ground connection.
7. VS: Supply voltage input.
8. NC: No connection (not internally connected).
These connections facilitate the device's operation as a current sense amplifier, supporting high-side and low-side current sensing with excellent accuracy and a wide input common-mode voltage range.
Here is a brief pinout and function overview for the AD8418BRMZ:
1. VIN+: Positive input for differential voltage.
2. VIN-: Negative input for differential voltage.
3. VOUT: Output voltage, proportional to the differential input.
4. REF1: Reference voltage input 1 (used for output offset adjustment).
5. REF2: Reference voltage input 2 (used for output offset adjustment).
6. GND: Ground connection.
7. VS: Supply voltage input.
8. NC: No connection (not internally connected).
These connections facilitate the device's operation as a current sense amplifier, supporting high-side and low-side current sensing with excellent accuracy and a wide input common-mode voltage range.
Manufacturer
The AD8418BRMZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational company specializing in the design and manufacturing of semiconductor products. They focus on developing solutions for analog, mixed-signal, and digital signal processing (DSP) technologies. These solutions are widely used in various applications, including industrial, automotive, consumer electronics, communications, and healthcare. The company is known for its innovation in creating high-performance integrated circuits and system-level solutions that enable accurate measurement, interpretation, and processing of real-world phenomena. Analog Devices is recognized for its leadership in the analog technology space and is a key player in the semiconductor industry.
Application
The AD8418BRMZ is a high common-mode voltage, current sense amplifier ideal for use in applications such as automotive, industrial, and power management systems. It is used for current monitoring in motor control, battery management, and solenoid control in automotive applications. In industrial systems, it is suitable for monitoring current in various equipment and machinery. The device is also effective in power management, where precise current measurement is essential for optimizing system performance and efficiency. Its capability to operate over a wide voltage range and its high accuracy make it versatile for applications requiring robust current sensing solutions.
Package
The AD8418BRMZ is an integrated circuit that comes in an MSOP-8 package, which is a Mini Small Outline Package with 8 leads. This type of package is commonly used for surface mount applications, offering a compact footprint suitable for limited space on printed circuit boards.
