MAX4078 (4)
The MAX4078 is available from Analog Devices Inc./Maxim Integrated at Xecor. Designed for micropower, rail-to-rail amplification, the MAX4078 offers low power consumption (34µA supply current), high gain accuracy (0.1%), and fault-protected inputs that withstand ±17V. Available in 14-SOIC packages, it is ideal for applications such as portable battery-powered equipment, cellular handsets, GPS solutions, and low-side current-sense amplifiers. Whether used in digital cameras, smart-card readers, or photodiode preamps, this series ensures high performance, reliability, and efficiency for demanding applications. Xecor is an authorized distributor for Analog Devices Inc./Maxim Integrated. Please view our extensive selection of the MAX4078 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| MAX4078EUD+T | High-speed operational amplifier for demanding applications | TSSOP-14 | 7,321 | |
| MAX4078EUD+ | MAX4078EUD+ offers low power consumption and high performance | TSSOP-14 | 7,912 | |
| MAX4078ESD+ | Wide input common-mode range for increased flexibility and reliabilit | SOIC-14 | 5,785 | |
| MAX4078ESD+T | Operational Amplifiers - Op Amps Micropower, Rail-to-Rail, Fixed-Gain GainAmp/Open-Loop Op Amps | SOIC-14 | 5,553 |
Key Featrues
Internal Gain-Setting Resistors: The MAX4074–MAX4078 family includes precision internal gain-setting resistors, which reduce design complexity, cost, and PCB layout space. This feature ensures 0.1% gain accuracy, making the amplifiers ideal for applications requiring high precision, such as instrumentation and low-side current sensing.
Rail-to-Rail Outputs: These amplifiers feature rail-to-rail output stages, enabling them to drive loads as low as 1kΩ while maintaining signal integrity across the entire supply voltage range. This capability enhances performance in low-voltage applications like portable battery-powered devices and sensors.
Micropower Operation: With a supply current of just 34µA, these amplifiers are optimized for low-power applications. This feature extends battery life in portable devices such as glucose meters, GPS solutions, and remote controls, making them suitable for energy-efficient designs.
Fault-Protected Inputs: The MAX4074 and MAX4075 models offer input fault protection, withstanding voltages up to ±17V without damage or excessive current draw. This feature enhances reliability in harsh environments, such as automotive or industrial applications, where overvoltage conditions may occur.
Stable with Capacitive Loads: The amplifiers are stable with capacitive loads up to 100pF without requiring an isolation resistor. This simplifies circuit design and ensures reliable performance in applications like photodiode preamps and audio signal processing, where capacitive loads are common.
Rail-to-Rail Outputs: These amplifiers feature rail-to-rail output stages, enabling them to drive loads as low as 1kΩ while maintaining signal integrity across the entire supply voltage range. This capability enhances performance in low-voltage applications like portable battery-powered devices and sensors.
Micropower Operation: With a supply current of just 34µA, these amplifiers are optimized for low-power applications. This feature extends battery life in portable devices such as glucose meters, GPS solutions, and remote controls, making them suitable for energy-efficient designs.
Fault-Protected Inputs: The MAX4074 and MAX4075 models offer input fault protection, withstanding voltages up to ±17V without damage or excessive current draw. This feature enhances reliability in harsh environments, such as automotive or industrial applications, where overvoltage conditions may occur.
Stable with Capacitive Loads: The amplifiers are stable with capacitive loads up to 100pF without requiring an isolation resistor. This simplifies circuit design and ensures reliable performance in applications like photodiode preamps and audio signal processing, where capacitive loads are common.
Applications
Portable Glucose Monitoring: The MAX4078 is ideal for portable glucose meters, where its micropower operation and rail-to-rail output ensure accurate signal amplification from low-impedance sensors. Its low supply current and high gain accuracy make it suitable for battery-powered medical devices, providing reliable performance in healthcare applications.
Photodiode Signal Conditioning: The MAX4078 is well-suited for photodiode preamplifiers in infrared receivers and remote controls. Its rail-to-rail output and low input bias current enable precise amplification of weak photodiode signals, ensuring reliable operation in consumer electronics and communication systems.
Low-Side Current Sensing: The MAX4078 excels in low-side current-sense amplifier applications, such as battery monitoring in portable devices. Its high gain accuracy and fault-protected inputs ensure robust performance in harsh environments, making it ideal for power management in portable electronics.
Smart-Card Reader Signal Processing: The MAX4078 is perfect for signal conditioning in smart-card readers, where its rail-to-rail output and low noise characteristics ensure accurate data transmission. Its compact SOT23 package and low power consumption make it ideal for integration into compact, portable devices.
Photodiode Signal Conditioning: The MAX4078 is well-suited for photodiode preamplifiers in infrared receivers and remote controls. Its rail-to-rail output and low input bias current enable precise amplification of weak photodiode signals, ensuring reliable operation in consumer electronics and communication systems.
Low-Side Current Sensing: The MAX4078 excels in low-side current-sense amplifier applications, such as battery monitoring in portable devices. Its high gain accuracy and fault-protected inputs ensure robust performance in harsh environments, making it ideal for power management in portable electronics.
Smart-Card Reader Signal Processing: The MAX4078 is perfect for signal conditioning in smart-card readers, where its rail-to-rail output and low noise characteristics ensure accurate data transmission. Its compact SOT23 package and low power consumption make it ideal for integration into compact, portable devices.
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