MAX4038 (5)
The MAX4038 is available from Analog Devices at Xecor. Designed for low-power, precision amplification, the MAX4038 offers ultra-low 800nA per amplifier supply current, rail-to-rail outputs, and operation from a single +1.4V to +3.6V supply. Available in multiple package options including TDFN, UCSP, SC70, SOT23, and µMAX, it is ideal for battery-powered systems, portable medical instrumentation, and remote sensor amplifiers. Whether used in glucose meters, pH meters, or cellular handsets, this series ensures high efficiency, precision, and reliability for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the MAX4038 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| MAX4038EUA+ | High-gain, low-power rail-to-rail op-amp for demanding designs | USOP-8 | 4,141 | |
| MAX4038ETA+T | Versatile, low-power, and low-voltage device for use in a wide range of electronic system | TDFN-8 | 9,232 | |
| MAX4038ETA+ | Versatile op-amp design suitable for a wide range of analog signal processing tas | TDFN EP-8 | 2,037 | |
| MAX4038EBL+T | Rail-to-rail operational amplifiers boasting low bias current, accompanied by a buffered reference of +1.2V, and consuming +1.4V/800nA" | UCSP-9 | 2,030 | |
| MAX4038EUA+T | MAX4038EUA+T: Buffered reference for accurate voltage control | USOP-8 | 4,192 |
Key Featrues
Ultra-Low 800nA Supply Current: The operational amplifier consumes only 800nA per amplifier, making it ideal for battery-powered and portable devices. This significantly enhances energy efficiency and extends battery life in applications like glucose meters, pagers, and portable medical instrumentation.
Rail-to-Rail Outputs: The amplifier supports rail-to-rail output, enabling it to drive 5kΩ and 5000pF loads effectively. This feature ensures maximum signal swing and improves performance in low-voltage applications such as cellular handsets and digital cameras.
1.232V Buffered Reference: The integrated 1.232V reference (accurate to ±0.5%) eliminates the need for external components, reducing design complexity and cost. This is particularly beneficial for precision applications like pH meters and electrometer amplifiers.
Wide Operating Voltage Range (1.4V to 3.6V): The amplifier operates from a single supply as low as 1.4V, making it suitable for ultra-low-power systems. This flexibility supports use cases in solar-powered systems, GPS solutions, and micropower thermostats.
Low 1.0pA Input Bias Current: With an exceptionally low input bias current, the amplifier minimizes errors in high-impedance circuits. This feature is critical for applications like remote sensor amplifiers and active badges, where signal integrity is paramount.
Rail-to-Rail Outputs: The amplifier supports rail-to-rail output, enabling it to drive 5kΩ and 5000pF loads effectively. This feature ensures maximum signal swing and improves performance in low-voltage applications such as cellular handsets and digital cameras.
1.232V Buffered Reference: The integrated 1.232V reference (accurate to ±0.5%) eliminates the need for external components, reducing design complexity and cost. This is particularly beneficial for precision applications like pH meters and electrometer amplifiers.
Wide Operating Voltage Range (1.4V to 3.6V): The amplifier operates from a single supply as low as 1.4V, making it suitable for ultra-low-power systems. This flexibility supports use cases in solar-powered systems, GPS solutions, and micropower thermostats.
Low 1.0pA Input Bias Current: With an exceptionally low input bias current, the amplifier minimizes errors in high-impedance circuits. This feature is critical for applications like remote sensor amplifiers and active badges, where signal integrity is paramount.
Applications
Portable Medical Instrumentation: The MAX4038 is ideal for portable medical devices such as glucose meters and pH meters, where ultra-low power consumption and rail-to-rail operation are critical. Its low input bias current and high precision make it suitable for amplifying signals from sensitive biomedical sensors, ensuring accurate readings in compact, battery-powered designs.
Remote Sensor Amplifiers: The MAX4038 is well-suited for remote sensor applications, such as environmental monitoring or industrial sensing. Its ability to operate at ultra-low supply voltages and consume minimal power makes it ideal for amplifying signals from sensors in hard-to-reach locations, ensuring reliable performance in low-power, long-duration deployments.
Battery-Powered/Solar-Powered Systems: The MAX4038 excels in battery or solar-powered systems, such as wireless sensors or IoT devices. Its ultra-low supply current and rail-to-rail output capability enable efficient signal amplification in energy-constrained environments, extending battery life and ensuring consistent operation in remote or off-grid applications.
Electrometer Amplifiers: The MAX4038 is perfect for electrometer applications, where low input bias current and high input impedance are essential. Its ability to handle rail-to-rail signals and operate at ultra-low voltages makes it ideal for amplifying weak signals from high-impedance sensors, such as those used in scientific research or precision measurement systems.
Remote Sensor Amplifiers: The MAX4038 is well-suited for remote sensor applications, such as environmental monitoring or industrial sensing. Its ability to operate at ultra-low supply voltages and consume minimal power makes it ideal for amplifying signals from sensors in hard-to-reach locations, ensuring reliable performance in low-power, long-duration deployments.
Battery-Powered/Solar-Powered Systems: The MAX4038 excels in battery or solar-powered systems, such as wireless sensors or IoT devices. Its ultra-low supply current and rail-to-rail output capability enable efficient signal amplification in energy-constrained environments, extending battery life and ensuring consistent operation in remote or off-grid applications.
Electrometer Amplifiers: The MAX4038 is perfect for electrometer applications, where low input bias current and high input impedance are essential. Its ability to handle rail-to-rail signals and operate at ultra-low voltages makes it ideal for amplifying weak signals from high-impedance sensors, such as those used in scientific research or precision measurement systems.
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