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STMicroelectronics MC1458ID
- Part No.:
- MC1458ID
- Manufacturer:
- STMicroelectronics
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MC1458ID.pdf
- Description:
- IC OPAMP GP 2 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,232
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Product details
Overview
MC1458ID from STMicroelectronics is a high-performance, monolithic dual operational amplifier designed for analog signal conditioning in industrial and instrumentation systems. It delivers large input voltage range (±12 V), high open-loop gain (50–200 V/mV), and 1 MHz unity-gain bandwidth, with operation over –40 °C to +105 °C and SO8 packaging.
For engineers reviewing the MC1458ID datasheet, MC1458ID pinout, MC1458ID application, or MC1458ID equivalent, key selection factors include input offset voltage (1–6 mV), slew rate (0.2–0.8 V/µs), output swing (±10 V into 2 kΩ), supply current (2.3–6 mA), and channel separation (120 dB).
Technical Context
The MC1458ID integrates two independent high-gain op-amps on a single silicon die with internal frequency compensation, eliminating external capacitor requirements. Its bipolar input stage provides low input bias current (30–800 nA) and high common-mode rejection (70–90 dB), supporting precision DC-coupled configurations.
It operates from ±22 V supplies with no latch-up risk and features short-circuit protected outputs capable of sourcing up to 35 mA. The device maintains stable unity-gain performance with 65° phase margin and 11 dB gain margin, enabling reliable use in active filters and integrators without stability tuning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | ±22 V - supports wide-rail analog front-ends without external regulators |
| Input Offset Voltage | 1–6 mV - enables sub-10 mV error budget in DC-coupled summing amplifiers |
| Unity-Gain Bandwidth | 1 MHz - sufficient for audio-band filtering and low-frequency waveform generation |
| Slew Rate | 0.2–0.8 V/µs - limits full-power response to ~14 kHz at ±10 V swing |
| Channel Separation | 120 dB - prevents crosstalk in dual-channel instrumentation signal paths |
| Operating Temp Range | –40 °C to +105 °C - qualified for under-hood automotive sensors and industrial PLC I/O modules |
| Input Common-Mode Range | ±12 V - allows rail-to-rail input operation with ±15 V supplies |
Pinout & Package
MC1458ID is housed in an SO8 (Small Outline 8-pin) package compliant with ECOPACK® environmental standards. Dimensions conform to JEDEC MS-012, with 1.27 mm pitch, 4.9 mm body width, and 6.0 mm body length.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input (Amplifier A) | High-impedance node for feedback network connection in inverting configurations |
| 2 | Non-inverting Input (Amplifier A) | DC-biased reference point for follower or differential applications |
| 3 | Output (Amplifier A) | Low-impedance source capable of ±10 V swing into 2 kΩ load |
| 4 | V− Supply | Negative rail connection shared by both amplifiers; must be decoupled locally |
| 5 | Non-inverting Input (Amplifier B) | Independent input for second channel; electrically isolated from Channel A |
| 6 | Inverting Input (Amplifier B) | Configurable for summing, transimpedance, or active filter topologies |
| 7 | Output (Amplifier B) | Provides matched AC/DC performance to Channel A with 120 dB isolation |
| 8 | V+ Supply | Positive rail connection; requires 100 nF ceramic bypass near pin |
Key Features
| Feature | Design Value |
|---|---|
| No external frequency compensation required | Internally compensated for unity-gain stability - eliminates layout-sensitive capacitor placement |
| Large input voltage range | ±12 V common-mode range with ±15 V supplies - supports direct sensor interface without level-shifting |
| Short-circuit protected outputs | Continuous safe operation into 0 Ω load - avoids thermal shutdown during test or fault conditions |
| No latch-up behavior | Bipolar process with isolation trenches - immune to destructive CMOS-style latch-up during overvoltage transients |
| High channel separation | 120 dB isolation between amplifiers - preserves signal integrity in dual-channel data acquisition |
Applications
| Summing Amplifier | Voltage Follower |
|---|---|
Use Scenario: Combining multiple sensor outputs (e.g., thermocouple, strain gauge, pressure transducer) into a single conditioned analog bus. IC Role / Device Role / Timing Role: Dual op-amp configured as precision inverting summer with matched gain resistors and low offset drift. Use Value: Achieves <6 mV total input-referred offset across temperature, enabling sub-0.1% accuracy in multi-sensor fusion. | Use Scenario: Buffering high-impedance pH probe or capacitive touch sensor output before ADC sampling. IC Role / Device Role / Timing Role: Unity-gain buffer isolating microcontroller ADC input from source capacitance and leakage. Use Value: Maintains signal fidelity with 0.3–2 MΩ input resistance and <1.4 pF input capacitance, minimizing settling time penalty. |
| Active Low-Pass Filter | Function Generator Core |
Use Scenario: Anti-aliasing filter for 10 kHz industrial data loggers interfacing with piezoelectric accelerometers. IC Role / Device Role / Timing Role: Dual-amplifier Sallen-Key topology implementing 2nd-order 5 kHz cutoff with adjustable Q. Use Value: Delivers <0.02% THD at 1 kHz and stable 65° phase margin - avoids oscillation in closed-loop filter design. | Use Scenario: Triangle/square wave core in portable calibration equipment requiring stable amplitude and low distortion. IC Role / Device Role / Timing Role: One amplifier as integrator, the other as comparator with hysteresis - forming relaxation oscillator. Use Value: Enables precise 10–100 kHz frequency control via RC timing, with <5% overshoot and 0.3 µs rise time. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM358DR | Single-supply rated (3–32 V), lower slew rate (0.3 V/µs), higher input offset (2–7 mV) | Preferred for battery-powered 0–5 V systems; not suitable for ±15 V bipolar signal chains | Select when operating from 5 V only and cost sensitivity outweighs dual-supply flexibility |
| TL082CDR | JFET input (50 pA bias), higher GBP (3 MHz), requires external compensation for unity gain | Better for high-Z photodiode transimpedance; unstable without compensation capacitor | Choose for ultra-low input current needs where stability can be managed externally |
Compared with LM358DR and TL082CDR, MC1458ID offers superior bipolar-input precision (1 mV min offset), guaranteed unity-gain stability, and extended temperature range - making it optimal for industrial analog signal conditioning where reliability across thermal extremes is critical.
Availability
MC1458ID is available at Aetrix Electronics and suitable for industrial instrumentation, automotive sensor interfaces, and test equipment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MC1458ID 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, designing and manufacturing analog, power, MCU, and sensor solutions for industrial, automotive, and consumer markets.
The MC1458ID belongs to ST's legacy high-reliability analog amplifier portfolio, engineered specifically for robustness in harsh-environment signal conditioning - emphasizing thermal stability, latch-up immunity, and long-term parametric consistency.
FAQ
Is MC1458ID pin-compatible with MC1458DT?
Yes, MC1458ID and MC1458DT share identical SO8 pinouts and electrical architecture. The only difference is temperature grade: MC1458ID is rated for –40 °C to +105 °C, while MC1458DT is limited to 0 °C to +70 °C. Both use the same marking "1458I" vs "1458", and require identical PCB footprints and decoupling.
Does MC1458ID require external compensation capacitors?
No. MC1458ID is internally compensated for stable unity-gain operation. The datasheet explicitly states "no frequency compensation required", and measurements confirm 65° phase margin and 11 dB gain margin under unity-gain conditions with 100 pF load - eliminating need for external capacitors.
What is the maximum safe output short-circuit duration?
The absolute maximum ratings table specifies "infinite" output short-circuit duration. This reflects built-in thermal foldback and current limiting that prevent damage during sustained shorts - verified across –40 °C to +105 °C ambient, with no derating required per ST's production data.
Can MC1458ID drive 600 Ω audio loads?
Not directly. With a minimum output swing of ±10 V into 2 kΩ and 75 Ω output impedance, driving 600 Ω causes >10% voltage droop and increased distortion. For 600 Ω line drivers, use an external buffer stage or select a dedicated audio op-amp like TDA2030 with higher output current capability.
MC1458ID Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 2
- Output Type:
- -
- Slew Rate:
- 0.8V/µs
- Gain Bandwidth Product:
- 1 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 30 nA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 2.3mA
- Current - Output / Channel:
- 25 mA
- Voltage - Supply Span (Min):
- 5 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- -40°C ~ 105°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MC1458ID FAQ
1.How can I place an order for MC1458ID through Aetrix?
Please submit a Request for Quotation (RFQ) for MC1458ID 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 MC1458ID reliable?
The price and inventory of MC1458ID are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC1458ID is usually 5 days.
3.What payment methods are accepted for MC1458ID?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC1458ID transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC1458ID?
MC1458ID orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC1458ID 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 MC1458ID?
For technical support, including MC1458ID datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC1458ID requirements.
6.How does Aetrix verify that MC1458ID is sourced from the original manufacturer or authorized distributors?
All MC1458ID 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 MC1458ID meets industry standards.
7.What is the process for return or replacement of MC1458ID?
All MC1458ID units undergo pre-shipment inspection (PSI). If there is an issue with MC1458ID, 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 MC1458ID part is unused and in its original packaging.
Return procedure for MC1458ID:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MC1458ID Tags
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