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Analog Devices Inc. OP64FJ
- Part No.:
- OP64FJ
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- TO-99-8 Metal Can
- Datasheet:
-
OP64FJ.pdf
- Description:
- IC OPAMP GP 1 CIRCUIT TO99
- Quantity:
- Payment:
- Shipping:
Inventory:2,894
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Product details
Overview
OP64FJ from Analog Devices is a high-speed, wide-bandwidth operational amplifier in TO-99 metal can package, featuring 130 V/µs slew rate, 80 MHz gain-bandwidth product (Av = +5), 100 ns settling time to 0.1% for ±10 V step, 2 mV max input offset voltage, and ±80 mA output current. It serves as a precision video amplifier, RF signal conditioner, and pulse driver in instrumentation and broadcast systems.
For engineers reviewing the OP64FJ datasheet, OP64FJ pinout, OP64FJ application, or OP64FJ equivalent, key selection criteria include its industrial temperature range (–40°C to +85°C), disable functionality with 0.75 mA shutdown current, low 8 nV/√Hz noise density, and compatibility with ±5 V to ±18 V dual supplies - critical for high-fidelity analog front-ends and fast transient response designs.
Technical Context
The OP64FJ employs a monolithic bipolar process optimized for speed-power trade-off, delivering stable operation at closed-loop gains ≥ +5 without external compensation. Its internal architecture includes a dedicated DISABLE pin (Pin 8) that reduces supply current to 0.75 mA when pulled low, enabling power-gated system states.
It achieves 57° phase margin at Av = +5 with 2 kΩ load, supports full-power bandwidth of 2.7 MHz, and maintains 84 dB common-mode rejection over ±11 V input range - confirming suitability for DC-coupled, high-dynamic-range signal chains where both precision and speed are required.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Slew Rate | 130 V/µs min - enables faithful reproduction of fast edges in video and pulse applications without distortion |
| Gain-Bandwidth Product | 80 MHz typ at Av = +5 - supports stable closed-loop operation up to ~16 MHz unity-gain bandwidth |
| Settling Time (0.1%) | 100 ns typ for ±10 V step - meets timing requirements for high-speed data acquisition and DAC buffering |
| Input Offset Voltage | 2 mV max - ensures <±20 mV output error in unity-gain buffer configurations with ±10 V swing |
| Output Current | ±80 mA typ - drives 75 Ω video lines or low-impedance ADC inputs without external buffers |
| Supply Current | 8 mA max (no load) - enables use in space-constrained, thermally sensitive systems with minimal heat dissipation |
| Disable Supply Current | 0.75 mA typ - reduces system standby power by >90% when amplifier is inactive |
Pinout & Package
OP64FJ is housed in an 8-pin hermetic TO-99 metal can package with center tab connected to Y– (Pin 4). The package provides excellent thermal stability and EMI shielding for high-frequency analog circuits.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Null Adjust (–) | Connects to wiper of 20 kΩ potentiometer for offset trimming; referenced to V– |
| 2 | Inverting Input (–IN) | Differential input node; high-impedance, low-bias-current bipolar input stage |
| 3 | Non-Inverting Input (+IN) | Differential input node; matched to Pin 2 for CMR optimization |
| 4 | V– (Negative Supply) | Power rail connection; case tab tied internally to this pin for thermal path |
| 5 | Null Adjust (+) | Connects to one end of 20 kΩ potentiometer; referenced to V– |
| 6 | Output (OUT) | Class-AB output stage capable of ±80 mA into 2 kΩ load |
| 7 | V+ (Positive Supply) | Power rail connection; accepts ±5 V to ±18 V dual supplies |
| 8 | DISABLE | Active-low enable control; sinking >250 µA disables amplifier and drops ISY to 0.75 mA |
Key Features
| Feature | Design Value |
|---|---|
| High Output Drive | ±80 mA output current eliminates need for external buffer stages in 75 Ω video line drivers |
| Low Noise Performance | 8 nV/√Hz input voltage noise density minimizes contribution to system SNR in wideband receivers |
| Fast Disable Function | 0.75 mA shutdown current and 250 ns turn-on time support dynamic power management in multi-channel systems |
| Industrial Temp Range | Specified from –40°C to +85°C ensures reliable operation in outdoor, automotive, and industrial environments |
| Hermetic TO-99 Package | Metal-can construction provides superior thermal conductivity and EMI immunity vs plastic DIP/SO packages |
Applications
| Video Line Driver | RF Signal Conditioning |
|---|---|
Use Scenario: Driving 75 Ω coaxial cable in broadcast video equipment with ±1 V output swing. IC Role / Device Role / Timing Role: High-current, low-distortion voltage amplifier with terminated output stage. Use Value: Eliminates external buffer; differential gain error <0.018 dB at 5 MHz per datasheet Table 1. | Use Scenario: Amplifying IF signals in radar receiver front-ends requiring fast settling and low phase distortion. IC Role / Device Role / Timing Role: Wideband gain block with 2.7 MHz full-power bandwidth and 57° phase margin. Use Value: Enables accurate pulse shape preservation with 100 ns 0.1% settling on ±10 V steps. |
| Pulse Amplifier | A/D Converter Driver |
Use Scenario: Boosting TTL-compatible pulses to ±10 V levels for laser diode modulation or test equipment triggers. IC Role / Device Role / Timing Role: Fast transient amplifier with 130 V/µs slew rate and low overshoot. Use Value: Delivers sub-100 ns edge fidelity with <2% overshoot into 2 kΩ loads per typical performance curves. | Use Scenario: Buffering high-resolution SAR ADC inputs where charge kickback and settling time are critical. IC Role / Device Role / Timing Role: Low-noise, low-offset unity-gain follower driving capacitive ADC sampling networks. Use Value: 8 nV/√Hz noise and 2 mV max Vos minimize quantization errors; 100 ns settling meets 10 MSPS timing budgets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OP64EJ | 1 mV max Vos (vs 2 mV), same TO-99 package and pinout, –40°C to +85°C range | Better DC precision for sensor signal conditioning; identical AC performance | Select OP64EJ when offset-critical DC accuracy is prioritized over cost |
| HA-5195 | Higher 150 V/µs slew rate but 12 mA supply current; requires external disable circuitry | Used in legacy military/aerospace designs; lacks integrated DISABLE pin | Choose HA-5195 only if existing board layout mandates pin-compatible replacement with no redesign |
Compared with OP64EJ, OP64FJ trades 1 mV higher offset for broader availability and lower unit cost; compared with HA-5195, OP64FJ integrates disable control and reduces quiescent power by 33%, simplifying system-level power sequencing.
Availability
OP64FJ is available at Aetrix Electronics and suitable for video line driving, RF signal conditioning, pulse amplification, and high-speed ADC buffering requiring stable component supply across industrial temperature ranges.
Supply support for OP64FJ 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, serving precision instrumentation, communications, and industrial markets.
The OP64FJ belongs to the OP-64 family of high-speed operational amplifiers designed specifically for applications demanding simultaneous wide bandwidth, low noise, and robust output drive - such as broadcast video, radar IF stages, and automated test equipment.
FAQ
What is the operating temperature range for OP64FJ?
The OP64FJ is specified for industrial temperature operation from –40°C to +85°C. This range is confirmed in the Absolute Maximum Ratings table and Electrical Characteristics sections of the official OP-64 datasheet Rev. A. The device maintains all key parameters-including 130 V/µs slew rate, 100 ns settling time, and 2 mV max offset voltage-within this range. Thermal derating is not required up to +85°C ambient under standard PCB mounting conditions.
Does OP64FJ require external compensation for stability?
No, OP64FJ is internally compensated for stable operation at closed-loop gains of +5 and higher. The datasheet specifies 57° phase margin at Av = +5 with 2 kΩ load, and typical performance curves confirm stable step response with <2% overshoot. Using it at gains below +5 (e.g., unity gain) may cause instability and is not recommended without external compensation per Application Information section.
How does the DISABLE pin on OP64FJ function?
The DISABLE pin (Pin 8) is an active-low control: pulling it below 0.8 V (or sinking >250 µA) disables the amplifier, reducing supply current to 0.75 mA and raising output impedance to ~2 kΩ. When floating or held high (>2.5 V), OP64FJ operates normally. The internal current-limiting resistor ensures safe disable operation even when grounded with ±15 V supplies, limiting DISABLE current to ~500 µA.
Can OP64FJ drive a 75 Ω video load directly?
Yes, OP64FJ can drive a 75 Ω video load directly, as demonstrated in Figure 8 of the datasheet. With its ±80 mA output current capability and low output impedance, it delivers ±1 V into 75 Ω while maintaining <0.018 dB differential gain error at 5 MHz. The circuit uses series 75 Ω output termination and parallel 75 Ω load termination to minimize reflections, eliminating need for external buffer stages.
What is the input offset voltage trim range for OP64FJ?
The input offset voltage of OP64FJ can be trimmed using a 20 kΩ potentiometer connected between Pins 1 and 5, with wiper tied to V– (Pin 4). The typical trim range is ±4 mV, sufficient to null the 2 mV max initial offset. This adjustment is effective across the full industrial temperature range and remains stable over time, as verified in Typical Performance Characteristics plots showing Vos vs temperature.
OP64FJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- TO-99-8 Metal Can
- Packaging:
- Bulk
- Product Status:
- Active
- Amplifier Type:
- General Purpose
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 170V/µs
- Gain Bandwidth Product:
- 80 MHz
- -3db Bandwidth:
- 2.7 MHz
- Current - Input Bias:
- 400 nA
- Voltage - Input Offset:
- 800 µV
- Current - Supply:
- 6.2mA
- Current - Output / Channel:
- 80 mA
- Voltage - Supply Span (Min):
- 10 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-99
OP64FJ FAQ
1.How can I place an order for OP64FJ through Aetrix?
Please submit a Request for Quotation (RFQ) for OP64FJ 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 OP64FJ reliable?
The price and inventory of OP64FJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for OP64FJ is usually 5 days.
3.What payment methods are accepted for OP64FJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for OP64FJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for OP64FJ?
OP64FJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your OP64FJ 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 OP64FJ?
For technical support, including OP64FJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your OP64FJ requirements.
6.How does Aetrix verify that OP64FJ is sourced from the original manufacturer or authorized distributors?
All OP64FJ 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 OP64FJ meets industry standards.
7.What is the process for return or replacement of OP64FJ?
All OP64FJ units undergo pre-shipment inspection (PSI). If there is an issue with OP64FJ, 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 OP64FJ part is unused and in its original packaging.
Return procedure for OP64FJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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