Product Overview
RadioShack 276-1711 LM324N Quad Operational Amplifier IC
Condition
New old stock surplus component. Card back carries full pinout diagram and electrical ratings. Markings legible: Fairchild logo EI18 LM 324N.
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Product Overview
Four internally compensated, high-gain independent op amps in a standard 14-pin dual in-line package make up this Fairchild-manufactured LM324N. Sourced under RadioShack catalog number 276-1711, this bipolar integrated circuit operates from either a single power rail or split dual supplies. Printed pinout wiring and absolute maximum ratings are detailed directly on the reverse card face for quick bench reference.
Key Features
- Contains four internally frequency-compensated operational amplifiers
- Standard 14-pin dual in-line package (DIP-14) for breadboards and sockets
- Single-supply operation from +3VDC to +32VDC, or split supply from ±1.5VDC to ±16VDC
- Differential input voltage range up to 32VDC
- Large signal voltage gain rated at 100dB
- Common-mode rejection ratio (CMRR) of 80dB
- Typical output current sourcing up to 40mA and sinking up to 20mA
- Maximum power dissipation rated at 570mW
Applications
- Breadboard prototyping for analog synth modules, active filters, and signal buffers
- Transducer amplifiers and DC gain blocks in microcontroller sensor circuits
- Comparator networks in battery monitors, robotics, and threshold detection systems
- Bench repairs and restoration of legacy electronics requiring DIP-14 quad op amps
Frequently Asked Questions
Can the LM324 operate from a single 5V or 9V power source?
Yes. The LM324 is designed for single-supply operation starting at +3VDC up to +32VDC, making it directly compatible with standard 5V logic rails or 9V battery supplies without requiring a negative voltage rail.
What is the pinout configuration for the DIP-14 package?
Pin 4 connects to Vcc power and pin 11 connects to ground (or negative supply). The four op amp outputs are located at pins 1, 7, 8, and 14, with each amplifier's inverting and non-inverting inputs mapped sequentially around the package per the printed card diagram.
How many op amp stages does a single chip provide?
Four independent operational amplifiers are integrated onto the single DIP-14 chip, allowing four separate active filtering, buffering, or comparator stages from one package.
Nothing quite matches the clean click of sliding a classic DIP chip out of pegboard stock and straight into a breadboard. It is benchwork the way it was meant to be.
