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TLC277CDR

Auth: Date:2025/11/21 Source:WECHIP Visit:14 Related Key Words: battery-powered applications high-impedance well-matched

I.Overview of TLC277CDR

The TLC277CDR is a dual operational amplifier from Texas Instruments' LinCMOS™ series. Housed in an 8-pin SOIC package and designed with advanced CMOS technology, this device features a wide supply voltage range (3V to 16V) and an output drive capability of up to 30mA. With its high input impedance and low power consumption characteristics, this operational amplifier is well-suited for various general-purpose analog circuits and battery-powered applications.

 

II.TLC277CDR Parameter

Category:Integrated Circuits (ICs);Linear;Amplifiers;Instrumentation, Op Amps, Buffer Amps

Mfr:Texas Instruments

Series:LinCMOS™

Packaging:Tape & Reel (TR);Cut Tape (CT);Digi-Reel®

Part Status:Active

Amplifier Type:CMOS

Number of Circuits:2

Current - Output / Channel:30 mA

Voltage - Supply Span (Min):3 V

Voltage - Supply Span (Max):16 V

Operating Temperature:0°C ~ 70°C (TA)

Mounting Type:Surface Mount

Package / Case:8-SOIC (0.154", 3.90mm Width)

Supplier Device Package:8-SOIC

Base Product Number:TLC277

 

III.TLC277CDR Main Characteristics

Wide Supply Voltage Range: 3V to 16V operating voltage adapts to various application scenarios.

High Output Drive Capability: 30mA output current can directly drive medium loads.

Low Power Consumption: Based on CMOS technology, featuring very low quiescent power consumption.

High Input Impedance: Suitable for interfacing with high-impedance signal sources.

Rail-to-Rail Output: Provides maximum output dynamic range.

Dual Symmetrical Design: Two independent operational amplifiers with well-matched performance.

Industry Standard Package: 8-SOIC package facilitates installation and replacement.

 

IV.TLC277CDR Application 

Signal Conditioning Circuits: Sensor signal amplification and filtering.

Active Filters: Low-pass, high-pass, and band-pass filter designs.

Voltage Comparators: Window comparator and zero-crossing detection circuits.

Battery-Powered Devices: Analog signal processing in portable instruments.

Test and Measurement Equipment: Signal conditioning in data acquisition systems.

Industrial Control: Analog interfaces for process control systems.

 

V.Conclusion

The TLC277CDR is an excellent dual CMOS operational amplifier. Its wide supply voltage range and high output drive capability make it perform outstandingly in general-purpose analog circuits. The device's low power consumption and high input impedance are particularly suitable for battery-powered systems, while its dual symmetrical design provides convenience for multi-channel applications. Whether used in industrial control, test and measurement, or consumer electronics, the TLC277CDR delivers reliable signal processing solutions, making it an ideal choice for general-purpose amplification applications.


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