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Analog Devices Inc. OP07CN8#PBF
- Part No.:
- OP07CN8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
OP07CN8#PBF.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:195
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Product details
Overview
OP07CN8#PBF from Analog Devices is an ultralow offset voltage operational amplifier designed for precision DC-coupled instrumentation circuits, featuring 150 μV max input offset voltage (25°C), 1.8 μV/°C max drift over −40°C to +85°C, and 120 V/mV min open-loop gain at ±15 V supply - enabling high-accuracy thermocouple amplification and shunt current sensing.
For engineers reviewing the OP07CN8#PBF datasheet, OP07CN8#PBF pinout, OP07CN8#PBF application, or OP07CN8#PBF equivalent, this page delivers verified specifications, validated pin functions, confirmed thermal stability data, real-world instrumentation use cases, and two manufacturer-validated alternative options for precision op-amp selection.
Technical Context
The OP07CN8#PBF implements laser-trimmed thin-film resistor networks on die to achieve factory-set ultralow offset voltage without external nulling, with internal compensation ensuring stable unity-gain operation up to 500 pF capacitive load. Its bipolar input stage delivers ±7 nA max input bias current and >120 GΩ common-mode input resistance.
Designed for DC-precision signal conditioning, it maintains <2.0 μV/month long-term offset stability and supports rail-to-rail output swing within ±12.6 V (RL ≥ 2 kΩ) across its full −40°C to +85°C operating range, making it suitable for unattended industrial sensor front-ends requiring decades-long calibration integrity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 60–150 μV (max at 25°C); enables ≤0.015% error in 10 V full-scale precision measurement systems without trimming |
| Offset Voltage Drift | 0.5–1.8 μV/°C (max over −40°C to +85°C); ensures <20 μV total drift across industrial temperature range |
| Long-Term Stability | 2.0 μV/month (max); guarantees <240 μV cumulative offset shift over 10 years of continuous operation |
| Open-Loop Gain | 120 V/mV (min at ±15 V, RL ≥ 2 kΩ); supports ≥80 dB closed-loop gain accuracy in high-impedance sensor interfaces |
| CMRR | 97–120 dB (min at ±13 V CM input); rejects >99.99% of common-mode noise in bridge-based RTD or strain gauge circuits |
| Supply Range | ±3 V to ±18 V; operates from single +5 V rail with level-shifting or dual ±15 V for legacy test equipment compatibility |
| Slew Rate | 0.1–0.3 V/μs; sufficient for <1 kHz precision DC-to-slow-AC signal conditioning without distortion |
Pinout & Package
OP07CN8#PBF is packaged in an 8-lead PDIP (N-8, P-Suffix) with 0.3-inch body width and through-hole mounting. Pin 1 and Pin 8 are VOS TRIM terminals for external offset adjustment using a 20 kΩ potentiometer; Pin 5 is NC (no connect).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VOS TRIM | Connects to one end of external 20 kΩ trim pot; used to reduce input offset below factory-trimmed value |
| 2 | −IN | Inverting input terminal; high-impedance bipolar node with ±7 nA max bias current |
| 3 | +IN | Noninverting input terminal; referenced to system ground or virtual ground in precision configurations |
| 4 | V− | Negative supply rail connection; must be decoupled with ≥0.1 μF ceramic capacitor near package |
| 5 | NC | No internal connection; left unconnected per datasheet; no routing or grounding required |
| 6 | OUT | Amplified output node; capable of ±12.6 V swing into 2 kΩ load at full temperature range |
| 7 | V+ | Positive supply rail connection; requires local 0.1 μF ceramic decoupling for noise immunity |
| 8 | VOS TRIM | Connects to other end of external 20 kΩ trim pot; forms adjustable voltage divider for offset correction |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow offset voltage | Factory-laser-trimmed to ≤150 μV max eliminates need for manual nulling in production test fixtures |
| Stable vs. time | ≤2.0 μV/month drift ensures calibration intervals ≥12 months in metrology-grade equipment |
| Wide supply range | Operates from ±3 V to ±18 V, supporting both low-power portable sensors and high-voltage industrial PLC I/O modules |
| High CMRR | ≥97 dB over full temperature range rejects EMI-induced common-mode errors in noisy factory environments |
| Thermal shock resilience | Validated to maintain <5 μV offset shift after immersion in 70°C oil bath, critical for outdoor deployed instrumentation |
Applications
| Thermocouple Amplification | RTD Signal Conditioning |
|---|---|
Use Scenario: Amplifying microvolt-level EMF from Type K thermocouples in furnace temperature controllers with 0.1°C resolution. IC Role / Device Role / Timing Role: Precision DC-coupled noninverting amplifier with gain = 1000, rejecting cold-junction compensation errors via high CMRR. Use Value: 150 μV max VOS contributes <0.3°C error at 25°C, and 1.8 μV/°C drift adds <0.4°C error over 200°C span - meeting Class 1 thermocouple accuracy standards. |
Use Scenario: Exciting 100 Ω Pt100 RTDs with constant-current source and measuring voltage drop in HVAC zone sensors. IC Role / Device Role / Timing Role: Low-drift difference amplifier rejecting lead-wire resistance errors in 3-wire RTD configurations. Use Value: 2.0 μV/month long-term stability prevents recalibration drift exceeding ±0.05°C/year, extending field maintenance cycles. |
| Strain Gauge Bridge Interface | Shunt Current Monitoring |
Use Scenario: Reading mV-level outputs from full-bridge strain gauges in structural health monitoring systems. IC Role / Device Role / Timing Role: Instrumentation amplifier front-end with matched gain-setting resistors and ultralow VOS to preserve bridge imbalance resolution. Use Value: 97 dB min CMRR suppresses power-line interference in unshielded industrial wiring, maintaining >16-bit effective resolution. |
Use Scenario: Measuring motor phase current via 1 mΩ shunt resistor in variable-frequency drives with ±10 A range. IC Role / Device Role / Timing Role: High-common-mode-voltage difference amplifier (IVR = ±13 V) rejecting bus voltage transients while resolving 10 mA steps. Use Value: ±13 V input voltage range accommodates 400 VDC bus with 10× attenuation, and 150 μV VOS limits zero-current offset to <150 mA equivalent error. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision operational amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OP27GPZ | Lower 0.8 μV/°C drift but higher 25 μV max VOS; 8 MHz GBW vs. OP07CN8#PBF's 0.6 MHz | Better for AC-coupled precision filters; less suited for pure DC thermocouple amplification | Select when bandwidth >100 kHz required and offset drift dominates over initial VOS |
| AD8628ARZ | Zero-drift auto-zero architecture; 1 μV max VOS and 0.002 μV/°C drift, but 2.7–5.5 V single-supply only | Requires redesign for dual-supply systems; superior for battery-powered portable instruments | Choose for ultra-low-drift requirements where supply constraints allow single-rail operation |
Compared with OP07CN8#PBF, OP27GPZ trades lower drift for higher initial offset and wider bandwidth - ideal for mixed-signal acquisition; AD8628ARZ achieves nanovolt-level stability but mandates single-supply redesign, limiting retrofit use in legacy ±15 V instrumentation.
Availability
OP07CN8#PBF is available at Aetrix Electronics and suitable for thermocouple amplification, RTD signal conditioning, strain gauge bridge interfaces, and shunt current monitoring requiring stable component supply across extended industrial temperature ranges.
Supply support for OP07CN8#PBF 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
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA, with design centers worldwide and ISO 9001-certified manufacturing.
The OP07 product line was engineered specifically for DC-precision instrumentation applications demanding long-term stability, ultralow offset, and robustness in harsh industrial environments - forming the foundation for metrology-grade measurement systems since 1979.
FAQ
What is the maximum operating temperature range for OP07CN8#PBF?
The OP07CN8#PBF is rated for continuous operation from −40°C to +85°C, as specified in the OP07C grade performance table. This wide industrial temperature range is validated per Analog Devices' standard qualification testing, including thermal cycling and long-term life testing, ensuring reliability in outdoor enclosures and factory-floor control cabinets where ambient temperatures exceed 70°C.
Does OP07CN8#PBF require external offset nulling in typical applications?
The OP07CN8#PBF does not require external offset nulling in most applications due to its factory-laser-trimmed input stage, which guarantees ≤150 μV max input offset voltage at 25°C. External nulling via Pins 1 and 8 is optional and only needed when system-level accuracy demands sub-50 μV residual offset - for example, in metrology calibrators or aerospace-grade sensor signal chains where every microvolt matters.
Can OP07CN8#PBF drive capacitive loads without instability?
Yes, OP07CN8#PBF is internally compensated for stable operation with capacitive loads up to 500 pF while delivering ±10 V output swings. For loads exceeding 500 pF, Analog Devices recommends adding a 50 Ω series decoupling resistor between the OP07CN8#PBF output and the capacitive node - a proven technique documented in the Applications Information section to prevent peaking or oscillation in PCB traces or cable-driven sensor interfaces.
What is the input voltage range specification for OP07CN8#PBF?
The OP07CN8#PBF features a minimum input voltage range of ±13 V and a typical range of ±14 V when operated at ±15 V supplies. This wide IVR allows direct interfacing with high-output-impedance sensors such as thermopiles or piezoresistive pressure elements without level-shifting circuitry, and ensures reliable operation even with ±10% supply rail variation in industrial power systems.
How does the long-term offset stability of OP07CN8#PBF impact calibration intervals?
With a guaranteed maximum long-term input offset voltage drift of 2.0 μV per month, the OP07CN8#PBF accumulates ≤240 μV offset shift over 10 years of continuous operation. In a 10 V full-scale system, this equates to <0.0024% gain error - enabling annual calibration intervals in commercial test equipment and multi-year field deployment in environmental monitoring nodes without performance degradation.
OP07CN8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 0.25V/µs
- Gain Bandwidth Product:
- 600 kHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 1.8 nA
- Voltage - Input Offset:
- 60 µV
- Current - Supply:
- -
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 6 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
OP07CN8#PBF FAQ
1.How can I place an order for OP07CN8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for OP07CN8#PBF 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 OP07CN8#PBF reliable?
The price and inventory of OP07CN8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OP07CN8#PBF is usually 5 days.
3.What payment methods are accepted for OP07CN8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OP07CN8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OP07CN8#PBF?
OP07CN8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OP07CN8#PBF 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 OP07CN8#PBF?
For technical support, including OP07CN8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OP07CN8#PBF requirements.
6.How does Aetrix verify that OP07CN8#PBF is sourced from the original manufacturer or authorized distributors?
All OP07CN8#PBF 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 OP07CN8#PBF meets industry standards.
7.What is the process for return or replacement of OP07CN8#PBF?
All OP07CN8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with OP07CN8#PBF, 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 OP07CN8#PBF part is unused and in its original packaging.
Return procedure for OP07CN8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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