Single/Dual/Quad, +1.8V/750nA, SC70, Rail-to-Rail Op Amps

The MAX4464/MAX4470/MAX4471/MAX4472/MAX4474 family of micropower op amps operate from a single +1.8V to +5.5V supply and draw only 750nA of supply current. The MAX4470 family feature ground-sensing inputs and rail-to-rail output. The ultra-low supply current, low-operating voltage, and rail-to-rail output capabilities make these operational amplifiers ideal for use in single lithium ion (Li+), or two-cell NiCd or alkaline battery systems.

The rail-to-rail output stage of the MAX4464/MAX4470/MAX4471/MAX4472/MAX4474 amplifiers is capable of driving the output voltage to within 4mV of the rail with a 100kΩ load, and can sink and source 11mA with a +5V supply. These amplifiers are available in both fully compensated and decompensated versions. The single MAX4470, dual MAX4471, and the quad MAX4472 are unity-gain stable. The single MAX4464 and the dual MAX4474 are stable for closed-loop gain configurations of ≥ +5V/V. These amplifiers are available in space-saving WLP, SC70, SOT23, µMAX®, and TSSOP packages.

Applications

* Badges * Battery-Powered Systems * Cellular Handsets * Digital Cameras (DIGICAMs) * Electrometer Amplifiers * Glucose Meters * GPS Solutions * IP Camera * Micropower * MP3 and Portable Media Players * Pagers and Cellphones * pH Meters * Portable Instrumentation * Remote Sensor Active * Solar-Powered Systems * Thermostats

* Ultra-Low 750nA Supply Current Per Amplifier

* Ultra-Low +1.8V Supply Voltage Operation

* Ground-Sensing Input Common-Mode Range

* Outputs Swing Rail-to-Rail

* Outputs Source and Sink 11mA of Load Current

* No Phase Reversal for Overdriven Inputs

* High 120dB Open-Loop Voltage Gain

* Low 500µV Input Offset Voltage

* 9kHz Gain-Bandwidth Product (MAX4470/MAX4471/MAX4472)

* 40kHz Gain-Bandwidth Product (MAX4464/MAX4474)

* 250pF (min) Capacitive Load Capability

* Available in Tiny, 6-Bump WLP, 5-Pin SC70, and 8-Pin SOT23 Packages