Ultra-Small, Rail-to-Rail I/O with Disable, Single/Dual-Supply, Low-Power Op Amps

The MAX4245/MAX4246/MAX4247 family of low-cost op amps offer rail-to-rail inputs and outputs, draw only 320µA of quiescent current, and operate from a single +2.5V to +5.5V supply. For additional power conservation, the MAX4245/MAX4247 offer a low-power shutdown mode that reduces supply current to 50nA, and puts the amplifiers' outputs in a high-impedance state. These devices are unity-gain stable with a 1MHz gain-bandwidth product driving capacitive loads up to 470pF.

The MAX4245/MAX4246/MAX4247 family is specified from -40°C to +125°C, making them suitable for use in a variety of harsh environments. The MAX4245 single amplifier is available in ultra-small 6-pin SC70 and space-saving 6-pin SOT23 packages. The MAX4246 dual amplifier is available in 8-pin, SO, SOT23 and µMAX® packages. The MAX4247 dual amplifier comes in a tiny 10-pin µMAX package.

Applications

* Automotive Sensors * Base Station/Wireless Infrastructure * Computers: Desktops, Workstations, and Servers * Computers: Motherboards * Computers: Notebook * Electronic Ignition Modules * GPS Solutions * Infrared Receivers * Instruments and Terminals * MP3 Docking Stations: Mid Level * Portable Communications * Programmable Logic Controllers (PLCs) * Sensor-Signal Detection * Set-Top Boxes * Single-Supply Zero-Crossing Detectors

* Rail-to-Rail Input and Output Voltage Swing

* 50nA (max) Shutdown Mode (MAX4245/MAX4247)

* 320µA (typ) Quiescent Current Per Amplifier

* Single +2.5V to +5.5V Supply Voltage Range

* 110dB Open-Loop Gain with 2kΩ Load

* 0.01% THD with 100kΩ Load

* Unity-Gain Stable up to CLOAD = 470pF

* No Phase Inversion for Overdriven Inputs

* Available in Space-Saving Packages

* 6-Pin SC70 or 6-Pin SOT23 (MAX4245)

* 8-Pin SOT23/SO or 8-Pin µMAX (MAX4246)

* 10-Pin µMAX (MAX4247)