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General Description

The MAX951–MAX954 feature combinations of a micropower operational amplifier, comparator, and reference in an 8-pin package. In the MAX951 and MAX952, the comparator’s inverting input is connected to an internal 1.2V ±2 bandgap reference. The MAX953 and MAX954 are offered without an internal reference.

The MAX951/MAX952 operate from a single 2.7V to 7V supply with a typical supply current of 7μA, while the MAX953/MAX954 operate from 2.4V to 7V with a 5μA typical supply current. Both the op amp and comparator feature a common mode input voltage range that extends from the negative supply rail to within 1.6V of the positive rail, as well as output stages that swing Rail-to-Rail®.

特性 Features

● Op Amp + Comparator + Reference in an 8-Pin

   μMAX Package (MAX951/MAX952)

● 7μA Typical Supply Current (Op Amp + Comparator +

   Reference)

● Comparator and Op Amp Input Range Includes

   Ground

● Outputs Swing Rail to Rail

● 2.4V to 7V Supply Voltage Range

● Unity-Gain Stable and 125kHz Decompensated

   AV ≥ 10V/V Op Amp Options

● Internal 1.2V ±2 Bandgap Reference

● Internal Comparator Hysteresis

● Op Amp Capable of Driving up to 1000pF Load

Applications

● Instruments, Terminals, and Bar-Code Readers

● Battery-Powered Systems

● Low-Frequency, Local-Area Alarms/Detectors

● Photodiode Preamps

● Smart Cards

● Infrared Receivers for Remote Controls

● Smoke Detectors and Safety Sensors