MC3303N - Quad 30V 1MHz Op Amp | Texas Instruments
MPN: MC3303N ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.1237 | $0.12 |
| 10 | $0.1237 | $1.24 |
| 100 | $0.1237 | $12.37 |
| 500 | $0.1237 | $61.85 |
| 1,000 | $0.1237 | $123.70 |
MC3303N Overview
An operational amplifier is a voltage-amplified differential-input device whose external feedback network determines its behavior. MC3303 belongs to the operational-amplifier hierarchy: quad low-power op amp, bipolar linear amplifier, analog signal-conditioning IC, and semiconductor. Four independent amplifiers in one 14-pin package reduce board area compared with four separate single or dual amplifier packages, although users must preserve adequate spacing and decoupling for stable low-noise operation.
Verified manufacturer information identifies the MC3303N as a standard general-purpose four-circuit amplifier in a 14-pin PDIP package, with a 30 V supply rating and 1 MHz gain-bandwidth product. The family is intended for single-supply or split-supply operation when the electrical limits specified by the manufacturer are met. Because the target uses a through-hole PDIP package, it also supports prototype repair and conventional leaded-board assembly rather than requiring a fine-pitch SMT footprint.
The integrated amplifier count makes the device useful when a board needs multiple similar signal paths. Typical uses include four sensor channels, four analog-control loops, dual-channel buffering with spare amplifier capacity, or small active-filter sections. Designers should check common-mode range, output swing, input bias behavior, supply current, noise, slew rate, stability, and temperature limits against the manufacturer datasheet before fixing the operating conditions.
The MC3303N should be placed near the supported decoupling network, with power and ground return paths arranged to minimize resistance and switching noise. Input and feedback components should be positioned to reduce parasitic capacitance at the high-frequency nodes. Do not infer exact bias-current, noise, slew-rate, common-mode, or temperature values from the search summaries; those parameters require the official manufacturer datasheet before release to production.
This page combines verified product identity, source links, package information, application guidance, and explicitly marked data gaps. The comparison section is limited to candidates that the provided evidence supports as MC3303N equivalents; any claimed drop-in substitution must still be checked against pin assignment, electrical limits, supply requirements, and the intended operating conditions.
Drop-in alternatives for MC3303N — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
LM3303
✅ Drop-In📋 Reference alternative (not in catalog)
MC3403
✅ Drop-In📋 Reference alternative (not in catalog)
UA741
✅ Drop-In📋 Reference alternative (not in catalog)
MC3303
✅ Drop-In📋 Reference alternative (not in catalog)
MC3303N Maximum Ratings & Electrical Characteristics
| Product Type | Quad operational amplifier |
| Number of Amplifiers | 4 circuits |
| Maximum Supply Voltage | 30 V |
| Unity-Gain Bandwidth | 1 MHz |
| Package | 14-pin PDIP |
| Mounting Type | Through-hole |
| Application Classification | Standard general-purpose amplifier |
MC3303N 14-pin pdip Pin Configuration Guide
Pin configuration for MC3303N (14-pin pdip package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for MC3303N.
Refer to the datasheet for full pin configuration.
Typical Applications
MC3303N is suitable for 6 applications: General-Purpose Analog Signal Conditioning, Multi-Channel Sensor Interface, Active Filtering and Small Signal Processing, Audio Preamplifier Front End, Industrial Control and Feedback Loops, Educational and Prototype Analog Circuits.
General-Purpose Analog Signal Conditioning
The MC3303N fits a general-purpose analog signal-conditioning board because it combines four amplifier circuits in one 14-pin PDIP package and is identified by Texas Instruments as a quad low-power operational amplifier. It can support buffering, voltage amplification, level shifting, and impedance isolation when the external feedback network is selected for the source impedance and load. The verified 1 MHz unity-gain bandwidth provides a useful starting point for moderate-bandwidth conditioning, while the 30-V family rating supports designs with higher supply headroom than ordinary low-voltage signal chains. Verify input common-mode range, output swing, supply current, offset, and stability in the official datasheet before setting gain.
Recommended
Multi-Channel Sensor Interface
A four-amplifier package is useful when several sensor outputs need similar conditioning. MC3303N can provide four independent voltage-feedback sections for buffering or modest gain, reducing the number of amplifier packages compared with using four discrete single amplifiers. The 1-MHz verified bandwidth is appropriate for many slow sensor signals, but sensor-specific limits such as offset, bias current, common-mode range, noise, and output drive must be checked against the actual source impedance and measurement bandwidth. The 14-pin PDIP footprint is also convenient for laboratory and industrial through-hole prototypes. Use guarding and careful grounding when handling high-impedance sensor nodes.
Recommended
Active Filtering and Small Signal Processing
MC3303N can implement active filters, integrators, and small-signal processing blocks when the four amplifier sections are assigned to cascaded or parallel signal paths. The verified 1-MHz unity-gain bandwidth is the relevant frequency scale when selecting component values, while external resistors and capacitors determine the actual filter response. Check the amplifier’s slew rate, gain-bandwidth behavior, output swing, noise, and stability requirements from the manufacturer datasheet before relying on a particular topology. For precision filters, account for input offset and bias current rather than relying only on nominal bandwidth. Keep feedback traces short and place filtering components close to the relevant pins.
Recommended
Audio Preamplifier Front End
The MC3303N may be evaluated for low-frequency audio preamplifier or mixer functions because it provides four amplifier circuits and a 1-MHz unity-gain bandwidth. Its usefulness depends on the verified noise, slew rate, input bias, output swing, and supply-current characteristics, none of which are present in the supplied snippets. Use it only after comparing those parameters with the audio source impedance, required gain, output level, and load. The quad package can implement multiple preamp or summing sections, but thermal and headroom calculations must use the actual supply and load conditions. Confirm manufacturer-specific ripple, noise, and frequency-response data before production release.
Recommended
Industrial Control and Feedback Loops
MC3303N can serve in low-frequency industrial control loops where four similar amplifier sections are useful for error amplifiers, sensor amplifiers, or actuator-driver interfaces. The verified 30-V family rating and four-circuit 14-pin PDIP package make the part a candidate for industrial through-hole control boards, but it is not automatically suitable for every mains-adjacent or high-energy environment. Confirm supply limits, common-mode range, output swing, noise, temperature range, and any required industrial qualification from official documentation. Keep high-current switching and relay-drive paths physically separate from precision feedback nodes to prevent switching transients from corrupting the control signal.
Recommended
Educational and Prototype Analog Circuits
MC3303N is well suited to breadboard and laboratory experiments because the verified 14-pin PDIP format is easy to inspect, socket, and replace. Its four amplifier sections allow students to compare inverting, non-inverting, summing, comparator-like feedback, and active-filter configurations without using four separate packages. The verified 1-MHz bandwidth makes it useful for introductory low-frequency experiments, while the 30-V family rating permits higher-voltage demonstrations when the complete operating limits are respected. Before wiring, obtain the official pinout because the supplied snippets do not identify individual pins. Include supply bypassing and limit the experiment to documented common-mode and output conditions.
Recommended
Recommended Products Summary
Engineering reference data for MC3303N — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | LM3303 | MC3403 | UA741 | MC3303 |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | STMicroelectronics |
| Package | 14-pin PDIP | DIP14 | DIP14 | DIP14 family comparison | 14-DIP |
| Pin Compatibility | 14-pin PDIP; individual pin map not supplied | Equivalence claimed by supplied search evidence; verify pinout | Equivalence claimed by supplied search evidence; verify pinout | Similarity mentioned; verify pinout | 14-DIP listing; verify manufacturer pinout |
Key Differentiators
- Quad integration in a through-hole package (vs LM3303)
- 30-V family supply rating (vs MC3403)
- 1-MHz verified unity-gain bandwidth (vs UA741)
Design Notes
Treat the verified 30-V family rating as a headline limit, not as a complete operating envelope. Confirm minimum supply, input common-mode range, output swing, absolute maximum ratings, supply current, and thermal limits from the manufacturer datasheet. The available data does not provide power dissipation or operating temperature, so do not calculate a production thermal margin from guessed values. Use local bypassing near the device and return power and ground currents without sharing narrow paths with precision feedback nodes.
Obtain the official MC3303N pin map before laying out the 14-pin PDIP footprint; the supplied snippets do not identify individual pins. After verification, route each amplifier’s input, output, feedback, and compensation components according to the selected topology. Keep feedback traces short and separate high-impedance input traces from power, relay, and switching nodes. The quad package shares a supply and ground structure, so pin-current distribution and ground-return quality can affect all four channels.
Do not treat the supplied LM3303, MC3403, or UA741 family references as proof of a drop-in replacement. Verify package dimensions, pin numbering, pin functions, supply range, common-mode limits, output swing, offset, bias current, noise, slew rate, and temperature grade using official manufacturer documentation. The verified data supports a DIP14 equivalence screen, but it does not quantify the differences required for an engineering release. Document the chosen manufacturer and source before substituting.
Use the verified 1-MHz unity-gain bandwidth only as the initial frequency scale for signal-path design. Closed-loop bandwidth, slew-limited response, output loading, noise, and stability depend on the selected gain and feedback network. For filters or precision amplifiers, calculate resistor and capacitor tolerances and verify the resulting response with the complete electrical data. Avoid placing long unprotected high-impedance traces next to the four amplifier outputs or supply pins.
Compliance Information
The supplied manufacturer and distributor snippets do not state RoHS, REACH, lead-free, halogen-free, or conflict-minerals status for MC3303N. The component is an analog integrated circuit, so AEC-Q100 is not applicable from the available evidence.