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Analog Devices Inc. LT1363CN8#PBF
- Part No.:
- LT1363CN8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
LT1363CN8#PBF.pdf
- Description:
- IC VOLTAGE FEEDBACK 1 CIRC 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:310
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Product details
Overview
LT1363CN8#PBF from Analog Devices (formerly Linear Technology) is a high-speed, unity-gain stable voltage-feedback operational amplifier with current-feedback-like slew behavior. It delivers 70MHz gain bandwidth, 1000V/µs slew rate at ±15V supplies, 9nV/√Hz input noise, and drives ±7.5V into 150Ω - making it suitable for video line drivers, active filters, and high-fidelity data acquisition front-ends.
For engineers reviewing the LT1363CN8#PBF datasheet, LT1363CN8#PBF pinout, LT1363CN8#PBF application, or LT1363CN8#PBF equivalent, this page provides verified DC/AC specifications, PDIP-8 package layout, capacitive-load stability confirmation, differential gain/phase performance at 3.58MHz, and validated alternatives for buffer, cable driver, and precision high-speed amplification use cases.
Technical Context
The LT1363CN8#PBF employs a proprietary voltage-feedback topology with complementary NPN/PNP input buffering and a single high-speed gain stage. Its slew rate scales with input differential voltage, enabling superior transient response in low-gain configurations (e.g., AV = –1 or unity gain).
It features internal compensation optimized for unconditional stability with any capacitive load (CL ≥ 0), achieved via bootstrapped RC network that dynamically adjusts phase margin. Performance is specified across ±2.5V, ±5V, and ±15V dual supplies, with guaranteed operation from –40°C to 85°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 70MHz at ±15V - enables stable closed-loop operation up to ~10MHz in AV = 7 configuration |
| Slew Rate | 1000V/µs at ±15V, AV = –2 - supports <50ns 10V settling to 0.1% in inverting configurations |
| Input Noise Voltage | 9nV/√Hz at 10kHz - preserves SNR in wideband signal conditioning paths |
| Input Offset Voltage | 1.5mV max at ±15V - ensures ≤0.01% error in 10V full-scale precision gain stages |
| Output Drive | ±7.5V into 150Ω at ±15V - directly drives 75Ω coaxial cables with series termination |
| Differential Gain/Phase | 0.06%/0.04° at 3.58MHz, AV = 2, RL = 150Ω - meets NTSC/PAL video fidelity requirements |
| Supply Current | 7.5mA max at ±15V - balances speed and power in space-constrained analog signal chains |
Pinout & Package
LT1363CN8#PBF is housed in an 8-lead plastic DIP (N8) package with 0.300-inch width, JEDEC MS-001 compliant footprint, and 190°C/W junction-to-ambient thermal resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NC) | No Connect | Internally unused; must be left floating or grounded per layout best practice |
| 2 (–IN) | Inverting Input | High-impedance NPN/PNP composite node; balanced source resistance recommended for DC accuracy |
| 3 (+IN) | Noninverting Input | Complementary input pair; withstands ±10V transient differential without damage |
| 4 (V–) | Negative Supply Rail | Connects to system ground or negative rail; bypass with 0.1µF ceramic + 10µF tantalum |
| 5 (NC) | No Connect | Internally unused; no routing required |
| 6 (V+) | Positive Supply Rail | Accepts up to ±18V total supply; requires low-ESR local decoupling |
| 7 (OUT) | Amplifier Output | Capable of 50mA continuous output; stable with unlimited capacitive load |
| 8 (V–) | Negative Supply Rail | Duplicate V– pin for improved grounding; tie directly to Pin 4 |
Key Features
| Feature | Design Value |
|---|---|
| Unity-Gain Stable | Operates robustly at AV = 1 without external compensation - simplifies design of buffers and followers |
| C-Load™ Technology | Internally compensates for any capacitive load - eliminates need for isolation resistors in cable driving |
| Video-Optimized Linearity | 0.06% differential gain / 0.04° differential phase at 3.58MHz - supports broadcast-quality analog video |
| Wide Supply Range | Operates from ±2.5V to ±15V - supports both low-voltage portable systems and industrial ±15V rails |
| Low Input Bias Current | 2µA max - minimizes offset errors in high-impedance sensor interfaces and photodiode amplifiers |
| Fast Settling | 50ns to 0.1% for 10V step - enables high-throughput sampling in 20+ MSPS data acquisition systems |
Applications
| Video Line Driver | Active Filter Stage |
|---|---|
|
Use Scenario: Driving 75Ω coaxial cable in SDTV or embedded video monitoring systems with NTSC/PAL timing. IC Role / Device Role / Timing Role: High-fidelity voltage buffer with minimal group delay distortion and flat frequency response to 10MHz. Use Value: Delivers 0.06% differential gain and 0.04° differential phase at 3.58MHz - meets broadcast video fidelity standards without external peaking networks. |
Use Scenario: 4th-order Butterworth filter stage in medical ECG front-end or test equipment signal conditioning. IC Role / Device Role / Timing Role: Low-noise, high-slew-rate gain block enabling precise amplitude and phase control up to 700kHz. Use Value: 9nV/√Hz input noise and 70MHz GBW allow sharp roll-off without passband droop or transient overshoot. |
| Data Acquisition Buffer | Cable Driver for Industrial Bus |
|
Use Scenario: Isolating and amplifying signals from multiplexed ADC inputs in automated test equipment. IC Role / Device Role / Timing Role: Unity-gain stable follower with 50ns settling time, minimizing acquisition dead time. Use Value: 1000V/µs slew rate and 70MHz bandwidth ensure accurate capture of fast transients in multi-channel DAQ systems. |
Use Scenario: Driving long RS-422/RS-485 stubs or legacy analog fieldbus lines in factory automation. IC Role / Device Role / Timing Role: Robust output stage capable of sustained 50mA drive into reactive loads. Use Value: Stable operation with >1000pF capacitive load and ±7.5V swing into 150Ω enables reliable signal integrity over 100m+ cable runs. |
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 |
|---|---|---|---|
| LT1364CS8#PBF | Dual-channel version in SO-8; identical AC specs but higher per-channel supply current (7.8mA typ) | Preferred when two matched high-speed amps are needed on same board, e.g., differential receiver front-end | Select LT1364CS8#PBF only if dual-channel integration reduces PCB area/cost; not pin-compatible with LT1363CN8#PBF |
| LT1812CS8#PBF | 100MHz GBW, lower 750V/µs slew rate, 3mA supply current; rated for 2.7V to 12.6V single-supply operation | Better suited for battery-powered instrumentation where supply headroom is limited and 100MHz bandwidth is critical | Choose LT1812CS8#PBF for low-voltage, high-bandwidth applications; requires redesign for ±15V systems |
Compared with LT1363CN8#PBF, LT1364CS8#PBF offers channel density at the cost of layout compatibility, while LT1812CS8#PBF trades slew rate and supply flexibility for ultra-low voltage operation - neither is drop-in replaceable, but both serve adjacent high-speed analog niches.
Availability
LT1363CN8#PBF is available at Aetrix Electronics and suitable for video line drivers, active filter stages, data acquisition buffers, and industrial cable drivers requiring stable component supply with full traceability and extended lifecycle support.
Supply support for LT1363CN8#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 acquired Linear Technology in 2017 and maintains full product continuity, documentation, and manufacturing for legacy Linear parts including the LT1363 family.
The LT1363CN8#PBF belongs to Linear's high-speed precision op amp product line, engineered for applications demanding simultaneous wide bandwidth, low noise, and robust capacitive-load drive - especially in video, instrumentation, and high-fidelity signal chain designs.
FAQ
What is the maximum capacitive load the LT1363CN8#PBF can drive stably?
The LT1363CN8#PBF is unconditionally stable with any capacitive load, including direct connection to coaxial cables or large (>10,000pF) capacitive terminations. This is enabled by its C-Load™ architecture, which dynamically adjusts internal compensation based on load-induced pole location. No external isolation resistor or feedback capacitor is required, though a 75Ω series resistor is recommended for optimal pulse fidelity on 75Ω transmission lines.
Does the LT1363CN8#PBF support single-supply operation?
Yes, the LT1363CN8#PBF operates reliably from a single 5V supply. Its symmetrical input common-mode range (±12V at ±15V supplies, scaling down to ±0.5V at ±2.5V) and rail-to-rail output swing capability enable clean operation with DC biasing - for example, 2.5V input/output centering in 5V video systems. Full specifications are guaranteed at ±2.5V, ±5V, and ±15V dual supplies.
What is the thermal resistance of the LT1363CN8#PBF package?
The LT1363CN8#PBF uses an 8-lead PDIP (N8) package with a junction-to-ambient thermal resistance (θJA) of 190°C/W. This value assumes standard JEDEC 2S2P test board conditions. For high-power applications, junction temperature must be calculated as TJ = TA + (PD × 190°C/W), where PD includes quiescent supply dissipation and output stage I²R losses.
Can the LT1363CN8#PBF replace AD847 or EL2020 in existing designs?
Yes - the LT1363CN8#PBF is explicitly recommended as a direct functional upgrade for AD847, EL2020, EL2044, LM6361, and AD817. It improves both DC performance (lower VOS, IB) and AC performance (higher GBW, slew rate, and settling speed). Nulling circuitry used with older parts must be removed, as the LT1363CN8#PBF does not require external offset trim.
What is the small-signal settling time of the LT1363CN8#PBF?
The LT1363CN8#PBF achieves 50ns settling to 0.1% for a 10V output step in inverting configuration (AV = –1) at ±15V supplies. In noninverting unity-gain configuration, settling to 0.1% is 55ns for a 5V step at ±5V supplies. These values reflect its single-stage architecture and high slew rate, making it suitable for high-throughput sampling systems where aperture uncertainty must be minimized.
LT1363CN8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- C-Load™
- Package/Case:
- 8-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 1000V/µs
- Gain Bandwidth Product:
- 70 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 600 nA
- Voltage - Input Offset:
- 500 µV
- Current - Supply:
- 6.3mA
- Current - Output / Channel:
- 60 mA
- Voltage - Supply Span (Min):
- 5 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
LT1363CN8#PBF FAQ
1.How can I place an order for LT1363CN8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1363CN8#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 LT1363CN8#PBF reliable?
The price and inventory of LT1363CN8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1363CN8#PBF is usually 5 days.
3.What payment methods are accepted for LT1363CN8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1363CN8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1363CN8#PBF?
LT1363CN8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1363CN8#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 LT1363CN8#PBF?
For technical support, including LT1363CN8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1363CN8#PBF requirements.
6.How does Aetrix verify that LT1363CN8#PBF is sourced from the original manufacturer or authorized distributors?
All LT1363CN8#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 LT1363CN8#PBF meets industry standards.
7.What is the process for return or replacement of LT1363CN8#PBF?
All LT1363CN8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1363CN8#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 LT1363CN8#PBF part is unused and in its original packaging.
Return procedure for LT1363CN8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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