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STMicroelectronics MC4558CDT
- Part No.:
- MC4558CDT
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MC4558CDT.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:12,163
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Product details
Overview
MC4558CDT from STMicroelectronics is a dual bipolar operational amplifier in SO-8 package, featuring 5.5 MHz gain bandwidth product, ±12 V input common-mode range, and 2.2 V/µs slew rate at ±15 V supply. It delivers matched gain/phase between channels and short-circuit protection for robust analog signal conditioning in industrial instrumentation and audio preamplifier stages.
For engineers reviewing the MC4558CDT datasheet, MC4558CDT pinout, MC4558CDT application, or MC4558CDT equivalent, key selection criteria include unity-gain stability, dual-channel matching tolerance, output swing into 2 kΩ loads, and thermal resistance (125 °C/W) in SO-8 packaging.
Technical Context
The MC4558CDT integrates two internally compensated op-amps on a single die with matched large-signal voltage gain (25–200 V/mV) and common-mode rejection ratio (70–90 dB). Its bipolar input stage enables low input bias current (50–500 nA) and high input resistance (0.3–2 MΩ), supporting precision DC-coupled amplification.
Designed for unity-gain stable operation, it achieves 5.5 MHz GBP at 100 kHz test frequency and exhibits 1.5% overshoot with 0.3 µs rise time under 100 pF capacitive load-critical for active filter and sensor interface designs requiring predictable transient response.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain bandwidth product | 5.5 MHz at 100 kHz - ensures stable closed-loop gain up to ~100 kHz with minimal phase margin degradation |
| Slew rate | 2.2 V/µs - supports 10 Vpp output at ≥35 kHz without distortion in unity-gain buffer configurations |
| Input offset voltage | 1–6 mV - defines minimum resolvable DC signal in precision transducer amplifiers |
| Supply current (per amp) | 1.15–3 mA - enables dual-channel operation from ±2 V to ±20 V rails with low quiescent power |
| Output short-circuit current | 10–40 mA - sustains continuous fault current without latch-up or permanent damage |
| Channel separation | 120 dB - prevents crosstalk-induced error in dual-path signal processing (e.g., stereo audio, differential ADC drivers) |
| Common-mode rejection | 70–90 dB - rejects noise coupled equally to both inputs in noisy industrial environments |
Pinout & Package
MC4558CDT uses an SO-8 plastic micropackage (JEDEC MS-012AC) with 1.27 mm pitch, 5.0 mm × 4.0 mm body, and 1.75 mm max height. Thermal resistance junction-to-ambient is 125 °C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting input of Amp A | Accepts feedback network connection for stable inverting gain configuration |
| 2 | Non-inverting input of Amp A | DC-biased reference point for single-supply sensor interfaces |
| 3 | Output of Amp A | Drives 2 kΩ loads to ±10 V with <15% overshoot and 0.3 µs rise time |
| 4 | VCC− (negative supply) | Reference for dual-rail operation; supports down to ±2 V supply |
| 5 | Non-inverting input of Amp B | Independent bias node enabling dual-channel signal routing without coupling |
| 6 | Inverting input of Amp B | Configurable for differential input or active filtering via external RC |
| 7 | Output of Amp B | Matched slew rate and gain-bandwidth to Pin 3 for synchronized dual-path response |
| 8 | VCC+ (positive supply) | Supports up to ±20 V operation; internal short-circuit protection activates above 40 mA |
Key Features
| Feature | Design Value |
|---|---|
| Internally compensated | Unity-gain stable without external compensation components - reduces BOM count and layout sensitivity |
| Short-circuit protection | Continuous output shorting to either rail tolerated indefinitely - eliminates need for external current-limiting resistors |
| Gain and phase match | Typical channel-to-channel gain deviation <0.1 dB and phase shift mismatch <0.5° - enables accurate dual-channel instrumentation |
| Low power consumption | Total supply current ≤4.5 mA at ±15 V - suitable for battery-backed analog front-ends |
| Pin-to-pin compatible | Direct replacement for LM358/MC1458 in existing SO-8 footprints - no PCB redesign required |
Applications
| Industrial Sensor Signal Conditioning | Audio Pre-amplifier Stage |
|---|---|
Use Scenario: Amplifying low-level outputs from strain gauges and RTDs in PLC analog input modules. IC Role / Device Role / Timing Role: Dual-channel DC-coupled instrumentation amplifier front-end with matched gain paths. Use Value: 120 dB channel separation prevents cross-talk between temperature and pressure measurement channels. | Use Scenario: First-stage gain block in consumer-grade stereo microphone preamps. IC Role / Device Role / Timing Role: Low-noise (12 nV/√Hz), low-THD (0.008%) dual op-amp for balanced signal amplification. Use Value: 5.5 MHz GBP enables flat frequency response up to 20 kHz with 20 dB gain and minimal phase distortion. |
| Active Filter Design | Dual-Channel Data Acquisition Front-End |
Use Scenario: Implementing 2nd-order Sallen-Key low-pass filters for anti-aliasing before SAR ADCs. IC Role / Device Role / Timing Role: Unity-gain stable op-amp providing precise pole placement and Q-factor control. Use Value: 2.2 V/µs slew rate supports 10 Vpp filter output at 35 kHz without slew-induced harmonic generation. | Use Scenario: Simultaneous buffering of differential sensor pairs in medical ECG front-ends. IC Role / Device Role / Timing Role: Matched dual op-amp driving ADC inputs with identical propagation delay and settling behavior. Use Value: ±12 V input common-mode range accommodates ±10 V sensor excitation signals while rejecting power supply ripple. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM358DT | Lower GBP (1 MHz), higher input offset (2–7 mV), no short-circuit protection | Limited to low-frequency (<10 kHz), non-critical gain accuracy applications | Select when cost is primary and bandwidth <100 kHz suffices |
| TL072CDT | JFET input (50 pA Iib), higher GBP (3 MHz), no internal compensation - requires external capacitor | Requires compensation network; unsuitable for unity-gain buffers without modification | Select for ultra-low input bias current needs where external compensation is acceptable |
Compared with LM358DT and TL072CDT, MC4558CDT uniquely combines bipolar-input precision (low Vio, matched channels), full internal compensation, and robust short-circuit protection - making it optimal for industrial signal chains demanding reliability and design simplicity without performance trade-offs.
Availability
MC4558CDT is available at Aetrix Electronics and suitable for industrial sensor interfaces, audio preamplifiers, active filter circuits, and dual-channel data acquisition systems requiring stable component supply across extended temperature ranges.
Supply support for MC4558CDT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, specializing in automotive, industrial, and power management ICs with strong analog portfolio heritage.
The MC4558 belongs to ST's legacy bipolar op-amp product line, engineered for high-reliability analog signal conditioning in harsh industrial environments with wide supply voltage tolerance and thermal robustness.
FAQ
Is MC4558CDT unity-gain stable?
Yes, MC4558CDT is internally compensated for unity-gain stability. Its open-loop frequency response maintains ≥45° phase margin at 0 dB crossover, verified per Figure 4 in the datasheet. No external compensation capacitor is required for stable operation with gain ≥1, simplifying design of buffers and inverting amplifiers.
What is the maximum safe operating supply voltage?
The absolute maximum supply voltage is ±22 V, but recommended operating range is ±2 V to ±20 V per Table 3. Operation beyond ±20 V risks exceeding junction temperature limits due to increased power dissipation, especially in SO-8 package (Rthja = 125 °C/W).
Does MC4558CDT support single-supply operation?
Yes, MC4558CDT operates with single-ended supplies (e.g., 0 V and +30 V) provided the input common-mode range (±12 V relative to midpoint) and output swing (±10 V into 2 kΩ) are respected. Biasing inputs near VCC/2 and using rail-to-rail output-capable variants is not supported - output does not swing to rails.
How does channel matching affect dual-path designs?
MC4558CDT guarantees tight gain and phase matching between amplifiers, with typical gain deviation <0.1 dB and phase mismatch <0.5° at 10 kHz. This enables accurate differential signal processing, stereo channel balancing, and simultaneous sampling front-ends where inter-channel timing skew must be minimized.
MC4558CDT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 2.2V/µs
- Gain Bandwidth Product:
- 5.5 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 50 nA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 2.3mA
- Current - Output / Channel:
- 20 mA
- Voltage - Supply Span (Min):
- 4 V
- Voltage - Supply Span (Max):
- 40 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MC4558CDT FAQ
1.How can I place an order for MC4558CDT through Aetrix?
Please submit a Request for Quotation (RFQ) for MC4558CDT on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MC4558CDT reliable?
The price and inventory of MC4558CDT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC4558CDT is usually 5 days.
3.What payment methods are accepted for MC4558CDT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC4558CDT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC4558CDT?
MC4558CDT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC4558CDT order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MC4558CDT?
For technical support, including MC4558CDT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC4558CDT requirements.
6.How does Aetrix verify that MC4558CDT is sourced from the original manufacturer or authorized distributors?
All MC4558CDT products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MC4558CDT meets industry standards.
7.What is the process for return or replacement of MC4558CDT?
All MC4558CDT units undergo pre-shipment inspection (PSI). If there is an issue with MC4558CDT, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MC4558CDT part is unused and in its original packaging.
Return procedure for MC4558CDT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MC4558CDT Tags
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