AD8418AWBRZ

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AD8418AWBRZ

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IC CURRENT SENSE 1 CIRCUIT 8SOIC

  • HerstellerAnalog Devices Inc.

  • Herstellerteil #AD8418AWBRZ

  • Paket SOIC-8

  • Auf Lager2532

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Spezifikationen

Attribut Wert
Package Tube
Series Automotive
ProductStatus Active
AmplifierType Current Sense
NumberofCircuits 1
SlewRate 1V/µs
-3dbBandwidth 250 kHz
Current-InputBias 130 µA
Current-Supply 4.1mA
Voltage-SupplySpan(Min) 2.7 V
Voltage-SupplySpan(Max) 5.5 V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Übersicht

Description

The AD8418AWBRZ is a high-precision, bidirectional current sense amplifier designed by Analog Devices. It is used for measuring voltage across shunt resistors in various applications, providing accurate current monitoring and control. The device operates over a wide input common-mode voltage range, from -2 V to +70 V, making it suitable for use in demanding automotive and industrial environments. The AD8418AWBRZ features a gain of 20 V/V, ensuring precise amplification of small differential signals.
Key features include low offset voltage, low drift over temperature, and a high bandwidth of 250 kHz, allowing for accurate and fast current measurements. The amplifier also offers protection against input overvoltage, enhancing reliability. The device operates over a wide temperature range, from -40°C to +125°C, ensuring stable performance in harsh conditions.
Encased in an 8-lead SOIC package, the AD8418AWBRZ is easy to integrate into various electronic designs. Its combination of accuracy, robustness, and wide operating parameters makes it ideal for applications like motor control, battery management, and power monitoring systems.

Equivalent

The AD8418AWBRZ is a high precision, high bandwidth current sense amplifier from Analog Devices. Equivalent products include:
1. INA240 by Texas Instruments – Offers similar current sense capabilities with enhanced PWM rejection.
2. MAX4080 by Maxim Integrated – Another current sense amplifier with a wide input common-mode range.
3. LT1999 by Analog Devices (formerly Linear Technology) – A high-voltage, bidirectional current sense amplifier.
These alternatives offer similar functionalities for applications requiring accurate current sensing.

Features

The AD8418AWBRZ is a high-precision, bidirectional current sense amplifier from Analog Devices designed for use in a variety of applications. Key features include:
1. Wide Operating Voltage Range: It functions effectively from 2.7 V to 5.5 V, making it versatile for different power sources.

2. High Accuracy: Offers excellent precision with low offset voltage and drift, ensuring accurate current measurements.
3. Wide Common-Mode Voltage Range: Operates within a range of -2 V to +70 V, allowing for flexibility in high-side or low-side current sensing.
4. High Bandwidth: Features a bandwidth of 250 kHz, suitable for fast transient response and real-time monitoring.
5. Excellent Performance Over Temperature: Maintains high performance over a wide operating temperature range of -40°C to +125°C.
6. Robust Protection: Includes features such as EMI filters and a high input impedance to enhance reliability and protection against harsh conditions.
7. Low Power Consumption: Designed to be power-efficient, reducing energy usage in battery-powered applications.
Overall, the AD8418AWBRZ is ideal for precision current measurement in automotive, industrial, and power management systems.

Pinout

The AD8418AWBRZ is a high bandwidth, current sense amplifier designed by Analog Devices. It comes in an 8-lead SOIC (Small Outline Integrated Circuit) package. The device is primarily used for current measurement applications due to its high accuracy, wide input common-mode voltage range, and excellent performance over temperature.
Key features include:
- Pin Count: 8 pins
- Function: It amplifies the differential voltage across a shunt resistor in high-side or low-side current sensing configurations, translating it to a ground-referenced single-ended output voltage.
The typical pin configuration is as follows:
1. IN+: Positive input terminal for the shunt voltage.
2. IN-: Negative input terminal for the shunt voltage.
3. VCC: Power supply pin.
4. OUT: Output pin, providing the amplified voltage.
5. REF1: Reference voltage pin 1, used for setting output offset.
6. REF2: Reference voltage pin 2, also for output offset adjustments.
7-8. GND: Ground pins for circuit reference.
This amplifier is known for its robustness, making it suitable for automotive and industrial applications.

Manufacturer

The AD8418AWBRZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational company known for designing and manufacturing a broad range of analog, mixed-signal, and digital signal processing integrated circuits used in electronic equipment. The company specializes in converting, conditioning, and processing real-world phenomena such as temperature, pressure, sound, light, speed, and motion into electrical signals to be used in various applications. Established in 1965, Analog Devices has developed a reputation for innovation and quality in the semiconductor industry, supplying components to sectors including automotive, communications, healthcare, industrial, and consumer electronics.

Application

The AD8418AWBRZ is a high precision, high voltage current sense amplifier suitable for various applications. Key areas include:
1. Automotive Systems: Used in battery management, electric power steering, and braking systems for accurate current monitoring.
2. Industrial Equipment: Ideal for motor control and industrial automation where precise current sensing is crucial.
3. Telecommunications: Helps in power management and efficiency improvements in telecom infrastructure.
4. Renewable Energy: Used in solar inverters and wind turbines for monitoring and optimizing energy conversion.
5. Consumer Electronics: Ensures battery safety and efficiency in devices like laptops and power tools.
Its wide input range and robust performance make it versatile for high-performance applications.

Package

The AD8418AWBRZ is a high precision, current shunt amplifier from Analog Devices, packaged in an 8-lead SOIC_N (Small Outline Integrated Circuit, Narrow) package. This form factor is compact and suitable for surface mounting on printed circuit boards (PCBs).

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