Product Introduction

Product parameters

Funtion:Low-Power, Single-Supply Op Amp + Comparator + Reference

Vout Range:2.5V - 5.5V

Vin Range:2.5V - 5.5V

Operating Current:15uA


Rail-to-Rail Input:Yes

Rail-to-Rail Output:Yes

General Description

The CN951 features combinations of a low power operational amplifier, comparator and reference in an 8-pin SOP package. In the CN951, the comparator’s inverting input is connected to an internal 1.211V ±2% bandgap reference. The CN951 operates from a single 2.5V to 5.5V supply with a typical supply current of 15uA. Both the op amp and comparator feature a common-mode input voltage range that extends from the negative supply rail to the positive supply rail, as well as output stages that swing Rail-to-Rail.

The op amp in the CN951 is internally compensated to be unity-gain stable with 20V/ms slew rate. The op amp has a unique output stage that enables it to operate with a low supply current while maintaining linearity under loaded conditions. In addition, the device has been designed to exhibit good DC characteristics over the entire operating temperature range. In addition, the comparator contains a ±7mV (14mV) internal hysteresis to ensure clean output switching, even with slow-moving input signals.


l  Instruments, Terminals, and Bar-Code Readers

l  Battery-Powered Systems

l  Automotive Keyless Entry

l  Low-Frequency, Local-Area Alarms/Detectors

l  Photodiode Preamps

l  Smart Cards

l  Infrared Receivers for Remote Controls

l  Smoke Detectors and Safety Sensors


l  Op Amp + Comparator + Reference

l  Operating Current: 15uA

l   Rail-to-Rail Inputs and Outputs

l  2.5V to 5.5V Supply Voltage Range

l  Unity-Gain Stable

l  Internal 1.211V ±2% Bandgap Reference

l  Internal Comparator Hysteresis: ±7mV(14mV)

l  Op Amp Capable of Driving up to 1nF Load

l  Operating Temperature Range:
40 to 85

l  Available in SOP8 Package

l  Lead-free, Rohs-compliant and Halogen-free


Tools and Documents




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