MC3302DG - 3-36V Quad Comparator | onsemi | 14-SOIC
MPN: MC3302DG ✓ সক্রিয়MC3302DG সারাংশ
A comparator is an analog integrated circuit that compares an input voltage against a reference voltage and produces a digital logic result. The MC3302DG belongs to the comparator hierarchy within analog mixed-signal ICs, where its four channels provide compact threshold monitoring, signal conditioning and system-level decision logic. Compared with a general-purpose operational amplifier used as a comparator, this device is purpose-built for logic-level output behavior.
Key features include four comparators in one package, single-supply operation from 3 V to 36 V, typical low input bias current of 25 nA, typical input offset current of plus or minus 5 nA, and open-collector outputs suitable for CMOS and TTL-compatible interfacing. The commercial temperature range is -40 C to +85 C, making the part suitable for industrial and commercial equipment when its electrical ratings are respected.
The low input bias current helps reduce errors in high-impedance sensing circuits, while the low input offset current supports sensing nodes where small current differences determine the comparison result. Its open-collector output architecture gives the designer control over pull-up voltage and can support wired logic, but each output requires an appropriate pull-up arrangement to operate as a conventional logic signal.
Typical applications include battery threshold detection, power-supply monitoring, memory-cell sensing, industrial control interfaces, sensor conditioning and general digital threshold logic. The 14-SOIC package offers enough pin spacing for hand assembly and inspection while supporting compact PCB layouts in industrial control, instrumentation and embedded systems.
When designing around the MC3302DG, account for the open-collector output, choose suitable pull-up resistors, maintain the input common-mode range across temperature, and verify output-state timing in the complete system. Because several channels share a package, power-supply noise and ground-return paths can affect more than one comparator, so careful decoupling and routing remain important.
This product page combines the manufacturer part identity, verified distributor data, package information, application guidance, design notes and documented drop-in alternatives to support faster component selection and PCB-level replacement planning.
এর জন্য ড্রপ-ইন বিকল্প MC3302DG — একই package, pin-to-pin compatible। ভিন্ন package-এর যেসব পার্টে PCB rework প্রয়োজন সেগুলো বাদ দেওয়া হয়েছে।
এই সিরিজের ভ্যারিয়েন্ট
একই সিরিজের মডেল যেগুলো drop-in compatible MC3302DG (একই form factor এবং footprint) — পার্থক্য রয়েছে Comparator Type, Input Offset Current, Mounting Type, Number of Channels, Output Type.
MC3302DR2G
✅ ড্রপ-ইন📋 রেফারেন্স বিকল্প (ক্যাটালগে নেই)
MC3302P
✅ ড্রপ-ইনমূল্যের জন্য যোগাযোগ করুন
ডেটাশিট দেখুন →MC3302PWR
✅ ড্রপ-ইন📋 রেফারেন্স বিকল্প (ক্যাটালগে নেই)
MC3302DG সর্বোচ্চ রেটিং ও বৈদ্যুতিক বৈশিষ্ট্য
| Comparator Type | Single-supply quad comparator |
| Number of Channels | 4 |
| Supply Voltage Range | 3 V to 36 V |
| আউটপুট টাইপ | Open-collector, CMOS and TTL compatible |
| Input Bias Current | 25 nA typical |
| Input Offset Current | plus or minus 5 nA typical |
| Output Current | 16 mA typical at 5 V |
| অপারেটিং তাপমাত্রার পরিসর | -40 C to +85 C |
| প্যাকেজ | 14-SOIC, 0.154 inch width, 3.90 mm width |
| মাউন্টিং টাইপ | Surface mount |
| Number of Elements | 4 |
| Product Family | MC3302 |
| Supply Type | Single supply |
| Logic Level Compatibility | CMOS and TTL |
MC3302DG পিন কনফিগারেশন
| পিন 1 | 1OUT — Comparator 1 open-collector output |
| পিন 2 | 1IN- — Comparator 1 inverting input |
| পিন 3 | 1IN+ — Comparator 1 non-inverting input |
| পিন 4 | VCC — Positive supply voltage |
| পিন 5 | 2IN+ — Comparator 2 non-inverting input |
| পিন 6 | 2IN- — Comparator 2 inverting input |
| পিন 7 | 2OUT — Comparator 2 open-collector output |
| পিন 8 | 3OUT — Comparator 3 open-collector output |
| পিন 9 | 3IN- — Comparator 3 inverting input |
| পিন 10 | 3IN+ — Comparator 3 non-inverting input |
| পিন 11 | VEE — Ground or negative supply connection |
| পিন 12 | 4IN+ — Comparator 4 non-inverting input |
| পিন 13 | 4IN- — Comparator 4 inverting input |
| পিন 14 | 4OUT — Comparator 4 open-collector output |
সাধারণ ব্যবহার
MC3302DG এর জন্য উপযুক্ত 6 অ্যাপ্লিকেশনs: Battery Threshold Monitoring, Industrial Control Threshold Logic, Memory Interface Sensing, Sensor Signal Conditioning, Power Supply Supervision, Digital Logic Interface.
Battery Threshold Monitoring
The MC3302DG fits battery systems that require several digital threshold decisions from one analog monitoring device. Its four comparator channels can monitor pack voltage, charger state and auxiliary rails, while the 3 V to 36 V single-supply range covers both low-voltage portable systems and higher-energy industrial packs. The typical 25 nA input bias current helps limit loading on high-impedance sensing nodes. Use each open-collector output with a suitable pull-up resistor to create a logic-high indication, and select resistor values that balance current consumption against switching speed. Verify the input common-mode range across the complete battery discharge profile and temperature range.
সুপারিশকৃত
Industrial Control Threshold Logic
The MC3302DG is appropriate for industrial control boards that compare sensor-derived or supply-derived voltages against independent limits. Its four channels reduce the number of discrete comparator ICs needed when detecting overvoltage, undervoltage, ready signals or interlock conditions. The open-collector outputs support wired logic and allow the pull-up supply to match the receiving circuit, while the commercial temperature range of -40 C to +85 C covers typical controlled environments. For reliable operation, decouple the supply close to the device, keep comparator inputs away from high-current switching paths and include hysteresis where the monitored signal changes slowly.
সুপারিশকৃত
Memory Interface Sensing
The MC3302DG is explicitly positioned for memory applications where several analog thresholds must become digital control signals. Its four comparison channels can monitor memory-related voltages or compare sensed nodes against local references, while typical input bias current of 25 nA is useful for high-impedance signal detection. The device's open-collector outputs can drive pull-up networks or interface logic stages. Because memory timing can be sensitive to input-node capacitance, keep sensing traces short, avoid unnecessary test pads and confirm that the pull-up network does not slow valid transitions beyond the system timing budget.
সুপারিশকৃত
Sensor Signal Conditioning
The MC3302DG can convert a slowly varying sensor voltage into a clean threshold event for a digital controller. Its low typical input bias current of 25 nA reduces the input-referred error when the source impedance is high, and the four channels allow several alarm or set-point decisions to be handled together. Place a pull-up resistor on each open-collector output and select a logic-compatible pull-up voltage. If the sensor signal crosses the threshold slowly, add controlled positive feedback or another defined hysteresis network so that noise near the threshold does not produce repeated state changes.
সুপারিশকৃত
Power Supply Supervision
The MC3302DG is suitable for multi-rail power supervision where the controller must recognize good, high or low supply conditions. Four independent channels can compare multiple regulated rails against references, and the 3 V to 36 V operating range provides broad input-voltage coverage. Because the outputs are open collector, they can be pulled up to the voltage expected by supervisory logic or an external status latch. Route each comparison input away from switching nodes, maintain a low-impedance ground connection and place the supply bypass capacitor near the package pins to limit channel-to-channel disturbance.
সুপারিশকৃত
Digital Logic Interface
The MC3302DG can serve as an interface between an analog control point and CMOS or TTL-compatible digital logic. Its open-collector output permits a defined pull-up to the receiving logic rail, while the 16 mA typical output current at 5 V provides a useful reference for load planning. Use the device when the system needs a wired-output threshold function rather than a push-pull rail-to-rail driver. Account for the pull-up resistor's rise time, keep the output trace away from noisy sources and ensure the output remains compatible with the voltage and current requirements of the receiving gate.
সুপারিশকৃত
সুপারিশকৃত পণ্যের সারসংক্ষেপ
এর জন্য ইঞ্জিনিয়ারিং রেফারেন্স ডেটা MC3302DG — তুলনা, ডিজাইন গাইডেন্স এবং কমপ্লায়েন্স তথ্য।
নির্বাচন গাইড
বিকল্পের সাথে তুলনা
| পারামিটার | এই পণ্য | MC3302DR2G | MC3302P | MC3302PWR |
|---|---|---|---|---|
| Package | 14-SOIC | 14-SOIC | 14-SOIC | 14-SOIC |
| Brand | onsemi | onsemi | onsemi | onsemi |
| Comparator Configuration | Quad comparator | Quad comparator | Quad comparator | Quad comparator |
| Number of Channels | 4 | 4 | 4 | 4 |
মূল পার্থক্যসমূহ
- Four threshold channels in one 14-SOIC package (বনামMC3302DR2G)
- Wide single-supply operating range (বনামMC3302DR2G)
- Low input loading for threshold sensing (বনামMC3302P)
ডিজাইন নোট
Place the supply bypass capacitor close to the VCC and VEE pins, and keep comparator inputs away from switching-regulator outputs and high-current return paths. Because all four channels share one package, inadequate decoupling can couple disturbance between threshold decisions. Use a short ground reference for every input and output pull-up to minimize ground-loop voltage offsets.
Every open-collector output requires an external pull-up resistor; without one, the output cannot establish a valid logic-high state. Select a resistor value that satisfies the receiving gate's input current while limiting the output transistor's sink current. Confirm that the pull-up supply remains within the comparator's output ratings and that no downstream device forces the output above its permitted range.
Add hysteresis when the monitored input crosses the reference slowly or contains noise near the decision threshold. Positive feedback around the appropriate input can create a controlled gap between rising and falling switching points. Keep the feedback resistor close to the device and verify that the added hysteresis does not alter the intended system threshold.
কমপ্লায়েন্স তথ্য
Compliance status was not stated in the exact product data for MC3302DG. Verify the current onsemi product declaration and material compliance documentation before qualification.
