Description

The MAX4299EUE is a micropower operational amplifier that operates from a 1.8V to 5.5V single supply or ±0.9V to ±2.75V dual supplies. With Rail-to-Rail® input/output capabilities, this amplifier provides a 500kHz gain-bandwidth product and 120dB open-loop voltage gain. It consumes only 100µA of supply current per amplifier, making it ideal for low-power/low-voltage, high-precision portable applications.

Specifications and features

• Ultra-Low Voltage Operation—Guaranteed Down to 1.8V
• 100µA Supply Current per Amplifier
• 500kHz Gain-Bandwidth Product
• 120dB Open-Loop Voltage Gain (RL = 100kΩ)
• 0.017% Total Harmonic Distortion Plus Noise (THD + N) at 1kHz
• Rail-to-Rail Input Common-Mode Range
• Rail-to-Rail Output Drives 2kΩ Load
• No Phase Reversal for Overdriven Inputs
• Unity-Gain Stable for Capacitive Loads up to 100pF
• 200µV Input Offset Voltage (MAX4292/MAX4294)
• Single in Small 5-Pin SC70
• Available in Ultra-Small Packages:
• 5-Pin SC70 (MAX4291)
• 8-Bump UCSP (MAX4292)

Application Scenarios

• 2-Cell Battery-Operated Systems
• Portable Electronic Equipment
• Battery-Powered Instrumentation
• Digital Scales
• Strain Gauges
• Sensor Amplifiers
• Cellular Phones

Comparison

The MAX4299EUE offers the advantage of operating at ultra-low voltages, making it suitable for low-power and low-voltage applications. It has a wide gain-bandwidth product, high open-loop voltage gain, and low input offset voltage, making it ideal for high-precision portable devices. The Rail-to-Rail input/output capabilities and ability to drive a 2kΩ load make it versatile for various applications. However, it is only available in small packages, such as the 5-Pin SC70 and 8-Bump UCSP.

• Ultra-low voltage operation
• Low supply current
• Wide gain-bandwidth product
• High open-loop voltage gain
• Low input offset voltage
• Rail-to-Rail input/output
• Capable of driving a 2kΩ load

• Only available in small packages