MCP634-E/ST - 24MHz Quad Rail-to-Rail Op Amp | Microchip
MPN: MCP634-E/ST ✓ نشطMCP634-E/ST نظرة عامة
An operational amplifier is an analog integrated circuit that amplifies the difference between two input voltages. A rail-to-rail output amplifier can approach its positive or negative supply rail at its output, increasing usable output range in low-voltage systems. The MCP634-E/ST belongs to the amplifier IC hierarchy: operational amplifier, general-purpose amplifier, analog IC, and semiconductor.
Its principal performance characteristics include a 24 MHz typical gain-bandwidth product, 10 V/us typical slew rate, 70 mA typical output short-circuit current, and 10 nV/Hz typical input-noise density at 1 MHz. The four amplifier sections allow multiple signal paths to be implemented in one package, reducing board area when an application does not require independent rail-to-rail input capability.
The MCP63x family architecture combines high gain-bandwidth product with relatively high output short-circuit current. These characteristics make the amplifier suitable for filtering, buffering, instrumentation, and low-to-moderate-level signal amplification where fast output transitions and output-drive capability are more important than micropower operation.
Typical uses include sensor-signal conditioning, analog filter stages, audio preamplification, instrumentation buffers, and general-purpose analog signal processing. The 14-TSSOP package is suitable for conventional surface-mount assembly, while the quad configuration permits four amplifier functions in one component.
Design the surrounding support network with the datasheet's recommended input and output component values. Confirm output swing, input common-mode range, supply voltage, and stability requirements for the selected gain before releasing the circuit. A feedback resistor and compensation choice must also account for the intended closed-loop bandwidth.
This page organizes the manufacturer's principal device characteristics into an application-oriented guide, adds practical implementation guidance, clarifies replacement constraints, and supports direct sourcing through the Request a Quote form on this page.
بدائل مباشرة لـ MCP634-E/ST — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
MCP6034-E/ST
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
MCP6164-E/ST
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
MCP6093-E/ST
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
MCP6024-E/ST
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
MCP6244-E/ST
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
MCP634-E/ST الحدود القصوى والخصائص الكهربائية
| Amplifier Type | General Purpose |
| Number of Circuits | 4 circuits |
| Number of Amplifiers | 4 amplifiers |
| Gain-Bandwidth Product | 24 MHz typical |
| Slew Rate | 10 V/us typical |
| تيار التغذية | 2.5 mA |
| نوع الخرج | Rail-to-Rail Output |
| Input Noise Density | 10 nV/Hz typical at 1 MHz |
| Output Short-Circuit Current | 70 mA typical |
| العلبة | 14-TSSOP, 4.40 mm width |
| Packaging | Tube |
| نوع التركيب | Surface Mount |
تكوين أطراف MCP634-E/ST
| دبوس 1 | OUTA — Amplifier A output |
| دبوس 2 | INA- — Amplifier A inverting input |
| دبوس 3 | INA+ — Amplifier A non-inverting input |
| دبوس 4 | V+ — Positive supply connection |
| دبوس 5 | INB+ — Amplifier B non-inverting input |
| دبوس 6 | INB- — Amplifier B inverting input |
| دبوس 7 | OUTB — Amplifier B output |
| دبوس 8 | OUTC — Amplifier C output |
| دبوس 9 | INC- — Amplifier C inverting input |
| دبوس 10 | INC+ — Amplifier C non-inverting input |
| دبوس 11 | V- — Negative supply connection |
| دبوس 12 | IND+ — Amplifier D non-inverting input |
| دبوس 13 | IND- — Amplifier D inverting input |
| دبوس 14 | OUTD — Amplifier D output |
التطبيقات النموذجية
MCP634-E/ST مناسب لـ 6 التطبيقs: Active Analog Filtering, Sensor Signal Conditioning, Audio Preamplification, Instrumentation Buffering, General-Purpose Signal Buffering, Industrial Control Signal Interface.
Active Analog Filtering
The MCP634-E/ST is well suited to active filter stages that require more bandwidth than conventional precision amplifiers. Its 24 MHz typical gain-bandwidth product leaves useful closed-loop bandwidth margin, while the 10 V/us typical slew rate helps preserve large-amplitude signal transitions. A 14-TSSOP quad package can implement several filter sections or auxiliary gain blocks in a compact area. Component values must be selected for the target filter topology and verified against the manufacturer stability and frequency-response guidance.
موصى به
Sensor Signal Conditioning
The MCP634-E/ST can condition low-level sensor signals when the application requires rapid settling and adequate output-drive capability. A 24 MHz typical gain-bandwidth product supports closed-loop gains that would severely limit a lower-bandwidth amplifier, and the 70 mA typical output short-circuit current provides useful drive headroom. The four amplifier sections can support conditioning, gain, filtering, and output buffering. Input bias-current, common-mode range, offset, and noise requirements remain the key suitability checks.
موصى به
Audio Preamplification
The MCP634-E/ST can serve in audio preamplifier and line-driver circuits operating within the manufacturer's supply and common-mode limits. Rail-to-rail output increases the available signal swing in low-voltage systems, while the 10 V/us slew rate and 24 MHz gain-bandwidth product exceed the bandwidth normally required for baseband audio. Four amplifiers per package can simplify multi-channel routing. Designers should verify output swing, capacitive-load stability, channel-to-channel layout symmetry, and the required input bias arrangement.
موصى به
Instrumentation Buffering
The MCP634-E/ST is appropriate for instrumentation stages that combine moderate bandwidth with multi-channel board-space reduction. Four amplifiers in one 14-TSSOP package can provide differential input, gain, filtering, and output-buffer functions, subject to resistor matching and offset requirements. The 24 MHz typical gain-bandwidth product supports faster measurement signals than a low-frequency precision amplifier. For high-impedance sources, verify input bias current and capacitance limits before selecting the device to avoid gain-error and settling degradation.
موصى به
General-Purpose Signal Buffering
The MCP634-E/ST provides a straightforward way to buffer several low-level signals without using four separate packages. Its 24 MHz typical gain-bandwidth product and 10 V/us typical slew rate support moderate-bandwidth waveform conditioning, while rail-to-rail output increases headroom at reduced supply voltages. Designers should use unity-gain-compatible layouts and confirm output stability with the intended source and load impedances. Decoupling, grounding, and unused-channel handling should follow the manufacturer recommendations.
موصى به
Industrial Control Signal Interface
The MCP634-E/ST can be used in industrial control boards for conditioning moderate-bandwidth analog command and feedback signals. The quad 14-TSSOP arrangement reduces component count when several amplifier functions are required close to a connector or mixed-signal circuit. Its 24 MHz typical gain-bandwidth product and 10 V/us slew rate preserve more signal detail than a low-bandwidth general-purpose amplifier. Industrial suitability still depends on the specified temperature range, supply tolerance, noise behavior, and system-level immunity requirements.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ MCP634-E/ST — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج |
|---|---|
| Package | 14-TSSOP, 4.40 mm width |
| Brand | Microchip Technology |
| Amplifier Type | General Purpose |
| Number of Circuits | 4 circuits |
| Gain-Bandwidth Product | 24 MHz typical |
| Slew Rate | 10 V/us typical |
| Supply Current | 2.5 mA |
| Output Configuration | Rail-to-Rail Output |
| Input Noise Density | 10 nV/Hz typical at 1 MHz |
| Output Short-Circuit Current | 70 mA typical |
أبرز الفروقات
- Substantially higher speed than a low-frequency precision amplifier (مقابلMCP6034-E/ST)
- Four amplifiers in one surface-mount package (مقابلSingle-amplifier alternatives)
- Rail-to-rail output with substantial drive capability (مقابلMCP6034-E/ST)
ملاحظات التصميم
Place the datasheet-recommended bypass capacitors immediately beside the V+ and V- pins, with short, low-loop-area traces. For a device intended for operation near its 24 MHz gain-bandwidth product, keep feedback resistors, compensation capacitors, input connections, and ground returns compact. Continuous ground-plane geometry is preferable to split-plane routing beneath the amplifier, particularly when the closed-loop gain or capacitive loading is high.
Derive the feedback network from the intended closed-loop bandwidth rather than treating the 24 MHz gain-bandwidth product as the usable signal bandwidth. Noise gain, feedback impedance, amplifier gain, and compensation capacitance jointly determine frequency response and stability. Prototype the final source impedance, load capacitance, PCB parasitics, and supply network before production, and verify settling for the shortest system timing requirement.
Do not assume rail-to-rail output also guarantees a rail-to-rail input common-mode range. Check the input range at the lowest and highest operating supply voltages, especially for non-inverting inputs biased near a supply rail. Also account for the 70 mA short-circuit-current rating as a fault-condition limit rather than a continuous output-current specification, and use an appropriate output path when driving capacitive loads.
Estimated: at a 5 V supply and 2.5 mA total supply current, the amplifier's supply power is 0.0125 W before considering output-current dissipation. Actual dissipated power also includes output-stage current and the difference between output and supply voltages. Use the minimum operating supply voltage, maximum output swing, load current, and ambient temperature to evaluate junction temperature and copper spreading across the 14-TSSOP footprint.
معلومات الامتثال
No RoHS, REACH, lead-free, halogen-free, conflict-minerals, or automotive-qualification declaration is identified in the available product information.
