MAX4080SASA

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MAX4080SASA

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  • ManufacturerAnalog Devices Inc./Maxim Integrated

  • Mfr. Part #MAX4080SASA

  • In Stock5430

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Specifications

Attribute Value
Package Tube
ProductStatus Obsolete
AmplifierType Current Sense
NumberofCircuits 1
-3dbBandwidth 250 kHz
Current-InputBias 5 µA
Voltage-InputOffset 100 µV
Current-Supply 75µA
Voltage-SupplySpan(Min) 4.5 V
Voltage-SupplySpan(Max) 76 V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The MAX4080SASA is a precision, high-side current-sense amplifier designed by Maxim Integrated (now part of Analog Devices) for monitoring current in various electronic systems. It is specifically tailored for applications that require precise current measurement, such as power management, battery monitoring, and automotive systems. The device operates with a wide supply voltage range and is capable of sensing small differential voltages over high common-mode voltage ranges, making it versatile for different environments.
Key features of the MAX4080SASA include its low input offset voltage, high accuracy, and the ability to measure bidirectional currents. It offers a fixed gain, enhancing simplicity in circuit design. The amplifier is also known for its low power consumption, making it suitable for battery-operated devices.
The MAX4080SASA is housed in a compact package, facilitating integration into space-constrained designs. Its robust performance and reliability make it a popular choice for designers looking to implement efficient current sensing solutions in their projects.

Equivalent

The MAX4080SASA is a high-side current-sense amplifier. Equivalent products include the INA168 from Texas Instruments, the LT6100 from Analog Devices, the MCP6H01 from Microchip Technology, and the ZXCT1009 from Diodes Incorporated. These products serve similar functions, providing high-side current sensing with different specifications such as bandwidth, gain, and input offset voltage. Always compare specific parameters to ensure compatibility with your application.

Features

The MAX4080SASA is a high-side current-sense amplifier known for its precision, low offset voltage, and wide operating voltage range. Key features include:
1. Wide Supply Voltage Range: Operates from 4.5V to 76V, making it suitable for a variety of applications.

2. High Accuracy: Offers precision current measurement with low offset voltage, typically around 0.1 mV, enhancing accuracy in current sensing.
3. Wide Input Common-Mode Range: Capable of measuring common-mode voltages from 4.5V to 76V.
4. Low-Side Sense: This configuration allows for easy connection to a microcontroller or other monitoring electronics.
5. High Bandwidth: Provides fast response times, which is beneficial for dynamic current monitoring.
6. Low Quiescent Current: Consumes minimal power, aiding in energy-efficient designs.
7. Robust Packaging: Comes in a small, space-saving package suitable for compact applications.
8. Temperature Range: Operates effectively over a wide temperature range, enhancing reliability in various environmental conditions.
These features make the MAX4080SASA ideal for applications in automotive, industrial, and power management systems where precise current measurement is critical.

Pinout

The MAX4080SASA is a high-side current-sense amplifier designed by Maxim Integrated. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The functions of its pins are as follows:
1. V+: Power supply pin.
2. OUT: Output voltage pin, proportional to the sensed current.
3. REF1: Reference voltage input, used to set the output reference voltage.
4. REF2: Second reference voltage input, providing flexibility in setting the output voltage level.
5. RS+: Sense resistor input (high-side) pin connected to the higher potential side of the resistor.
6. RS-: Sense resistor input (low-side) pin connected to the lower potential side of the resistor.
7. GND: Ground pin.
8. N.C.: No connect pin, which is typically not connected to the circuit and is left floating.
The MAX4080 is designed for precision high-side current measurements and features a wide supply voltage range, making it suitable for various applications in power management and monitoring.

Manufacturer

The MAX4080SASA is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated was known for designing, manufacturing, and marketing a wide range of analog and mixed-signal integrated circuits. The company served various markets, including industrial, communications, consumer, and computing. As of its acquisition by Analog Devices, Maxim Integrated expanded Analog Devices' portfolio, particularly in areas related to power management, sensors, and communications. Analog Devices, Inc. is a well-established semiconductor company that provides a broad range of analog, digital, and mixed-signal solutions for various applications, including automotive, healthcare, aerospace, and industrial sectors.

Application

The MAX4080SASA is a high-side current-sense amplifier used in various applications requiring accurate current monitoring. Key application areas include:
1. Power Management Systems: Monitoring and controlling power consumption in electronic devices.
2. Battery Management: Ensuring safe and efficient charging and discharging in battery-powered systems.
3. Telecommunications: Maintaining power efficiency and monitoring in telecom equipment.
4. Automotive Systems: Monitoring current in electric vehicles and automotive electronics.
5. Industrial Equipment: Measuring current in machinery for predictive maintenance and efficiency optimization.
6. Consumer Electronics: Enhancing power management in gadgets and home appliances.
7. Renewable Energy: Monitoring current in solar panels and wind turbines for effective energy management.

Package

The MAX4080SASA is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

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