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Analog Devices Inc. LT1360CN8#PBF
- Part No.:
- LT1360CN8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-DIP (0.300", 7.62mm)
- Datasheet:
-
LT1360CN8#PBF.pdf
- Description:
- IC VOLTAGE FEEDBACK 1 CIRC 8DIP
- Quantity:
- Payment:
- Shipping:
Inventory:642
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Product details
Overview
LT1360CN8#PBF from Analog Devices (formerly Linear Technology) is a single, high-speed voltage-feedback operational amplifier with 50MHz gain bandwidth, 800V/µs slew rate, and unity-gain stability. It delivers ±13V output swing into 500Ω at ±15V supplies and drives any capacitive load without external compensation-making it ideal for video line drivers, active filters, and precision data acquisition front-ends.
For engineers reviewing the LT1360CN8#PBF datasheet, LT1360CN8#PBF pinout, LT1360CN8#PBF application, or LT1360CN8#PBF equivalent, key selection criteria include its C-load capability, low 9nV/√Hz input noise, 1mV max input offset voltage, ±40°C to +85°C operating range, and PDIP-8 packaging suitable for prototyping and industrial signal conditioning.
Technical Context
The LT1360CN8#PBF employs a proprietary voltage-feedback topology with current-feedback slewing behavior, enabling fast settling (60ns to 0.1%) while retaining high DC precision. Its dual-input stage-comprising complementary NPN/PNP emitter followers-provides first-order bias current cancellation and supports balanced source impedances for minimized offset drift.
Internal compensation ensures unconditional stability with all capacitive loads up to 10,000pF, achieved via bootstrapped RC network that dynamically adjusts phase margin. The amplifier is specified across ±2.5V, ±5V, and ±15V supplies, with performance validated over –40°C to 85°C for industrial-grade operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth Product | 50MHz at ±15V - enables stable closed-loop operation up to 50MHz in unity-gain configuration |
| Slew Rate | 800V/µs at ±15V - supports full-scale 10V step response within 12.5ns, critical for pulse fidelity in video/cable driving |
| Input Offset Voltage | 1.0mV max at ±15V - ensures <0.01% error in 100mV–1V sensor signal amplification |
| Input Noise Voltage | 9nV/√Hz at 10kHz - preserves SNR in low-level analog front-ends like photodiode preamps |
| Output Swing | ±13V into 500Ω at ±15V - delivers rail-to-rail usable dynamic range for ±12V systems |
| Supply Current | 5.0mA max at ±15V - balances speed and power efficiency for multi-channel instrumentation |
| Settling Time | 60ns to 0.1% for 10V step - meets timing requirements in 16-bit ADC driver applications |
Pinout & Package
N8 package: 8-lead plastic DIP (0.300" wide), through-hole mount, RoHS-compliant lead finish. Pin 1 marked by notch or dot; body dimensions 0.325" × 0.255". Thermal resistance θJA = 130°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NULL) | Offset null adjustment | Connect external 10kΩ potentiometer wiper; ends to V+ and V− for fine-tuning input offset |
| 2 (–IN) | Inverting input | High-impedance node (50MΩ differential, 20MΩ common-mode); accepts balanced source resistors |
| 3 (+IN) | Non-inverting input | Complementary NPN/PNP input stage enables bidirectional bias current cancellation |
| 4 (V–) | Negative supply rail | Supports single-supply operation down to –15V; absolute max differential input = ±10V transient |
| 5 (NC) | No connect | Internally unused; must remain unconnected per datasheet to avoid parasitic coupling |
| 6 (VOUT) | Amplifier output | Capable of ±34mA short-circuit current; drives 150Ω loads to ±3.2V on ±5V supplies |
| 7 (V+) | Positive supply rail | Accepts up to +18V; total supply voltage (V+ to V−) ≤ 36V; PSRR > 93dB |
| 8 (NULL) | Offset null adjustment | Second null terminal; completes 3-terminal offset trim network with Pin 1 and supply rails |
Key Features
| Feature | Design Value |
|---|---|
| C-Load™ stability | Drives any capacitive load (0–10,000pF) without external compensation-eliminates layout sensitivity in cable driver designs |
| Unity-gain stable | Operates reliably at AV = 1 without peaking or oscillation-enables simple buffer configurations without feedback tuning |
| Differential gain/phase | 0.20% / 0.3° at 3.58MHz (NTSC video), RL = 150Ω-meets broadcast-quality video line driving standards |
| Low input bias current | 1.0µA max at ±15V-reduces error in high-impedance sensor interfaces (e.g., piezoelectric, photodiode) |
| Wide supply range | ±2.5V to ±15V operation-supports legacy ±12V systems and modern low-voltage embedded platforms |
Applications
| Video Line Driver | Active Filter Stage |
|---|---|
Use Scenario: Driving 75Ω coaxial cable in SD/HD video distribution systems with minimal distortion. IC Role / Device Role / Timing Role: High-current, low-distortion buffer amplifying composite video signals (3.58MHz NTSC/PAL). Use Value: 0.2% differential gain and 0.3° differential phase ensure color fidelity; C-Load™ eliminates termination resistor tuning. | Use Scenario: Implementing 4th-order Butterworth anti-aliasing filter before 16-bit SAR ADC in test equipment. IC Role / Device Role / Timing Role: Precision gain stage in active filter topology with tight phase linearity and low noise. Use Value: 9nV/√Hz input noise preserves SNR; 60ns settling enables accurate sampling at ≥10MSPS. |
| Data Acquisition Front-End | Photodiode Transimpedance Amplifier |
Use Scenario: Conditioning low-level sensor outputs (e.g., strain gauges, RTDs) in industrial PLC analog input modules. IC Role / Device Role / Timing Role: Low-offset, low-drift gain block with buffered output for multiplexed ADC inputs. Use Value: 1mV max VOS and 9µV/°C drift minimize calibration burden; ±13V swing accommodates ±10V input ranges. | Use Scenario: Converting photocurrent from SFH205 photodiode into voltage for optical power monitoring. IC Role / Device Role / Timing Role: Low-noise transimpedance amplifier with AC-coupled feedback for wide dynamic range. Use Value: 9nV/√Hz noise floor enables detection of sub-nA currents; unity-gain stability simplifies feedback capacitor selection. |
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 |
|---|---|---|---|
| LT1361CS8#PBF | Dual-channel version in SO-8; same GBW (50MHz), slew rate (800V/µs), and C-Load™ capability | Reduces board space in multi-channel systems; requires SOIC footprint and reflow assembly | Select when two matched amplifiers are needed in compact layouts-no change to circuit design or performance |
| LT1357CS8#PBF | Lower power: 25MHz GBW, 600V/µs slew, 2mA supply current; 0.6mV max VOS | Better suited for battery-powered portable instruments where speed can be traded for efficiency | Choose for 10–20MHz bandwidth needs with <50% supply current reduction-ideal for handheld test gear |
Compared with LT1361CS8#PBF, the LT1360CN8#PBF offers through-hole ease-of-use and thermal robustness (θJA = 130°C/W vs 190°C/W), while LT1357CS8#PBF trades 50% bandwidth for 60% lower power-making LT1360CN8#PBF optimal for fixed industrial video/data acquisition where speed and ruggedness are primary.
Availability
LT1360CN8#PBF is available at Aetrix Electronics and suitable for video line drivers, active filter stages, data acquisition front-ends, photodiode transimpedance amplifiers, and precision instrumentation requiring stable component supply across extended temperature ranges.
Supply support for LT1360CN8#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, quality assurance, and technical documentation for legacy Linear parts including the LT1360 series.
The LT1360CN8#PBF belongs to Linear's high-speed precision op amp family, designed specifically for demanding signal conditioning tasks where both wide bandwidth and low distortion are required-especially in video, medical imaging, and automated test equipment.
FAQ
What is the maximum capacitive load the LT1360CN8#PBF can drive without external compensation?
The LT1360CN8#PBF is guaranteed stable with any capacitive load up to 10,000pF, per the datasheet's "Capacitive Loading" section and large-signal transient curves (TA33–TA36). This C-Load™ capability eliminates need for isolation resistors or feedback capacitor tuning in cable driver and buffer applications-verified under ±15V supply and room-temperature conditions.
Does the LT1360CN8#PBF require external offset nulling in precision applications?
Offset nulling is optional but supported: Pins 1 and 8 form a 3-terminal network for trimming input offset voltage using a 10kΩ potentiometer. While the LT1360CN8#PBF has only 1.0mV max VOS, nulling reduces residual error to <100µV-critical in 16-bit DAQ systems. The circuit is shown in Figure AI01 of the official datasheet.
Can the LT1360CN8#PBF operate from a single +5V supply?
Yes-the LT1360CN8#PBF supports single-supply operation with V– tied to ground and V+ at +5V. Input common-mode range extends to 0.5V above V– and 1.1V below V+, while output swing reaches ±1.7V into 500Ω. For rail-to-rail input/output, external level-shifting or a different amplifier family is required.
What is the thermal resistance (θJA) of the LT1360CN8#PBF in its N8 package?
The LT1360CN8#PBF in the N8 (PDIP-8) package has a junction-to-ambient thermal resistance of 130°C/W, as specified in the "Package/Order Information" section (Page 8). This value assumes standard JEDEC 2-layer board conditions; actual θJA improves with copper pour and thermal vias.
How does the LT1360CN8#PBF differ from traditional current-feedback amplifiers (CFAs)?
Unlike CFAs, the LT1360CN8#PBF features high-impedance inputs (not low-Z inverting input), bandwidth that decreases with gain (voltage-feedback behavior), and immunity to inverting-input capacitance-induced peaking. It supports integrators and I-to-V converters-applications where CFAs fail-while delivering comparable slew rates (800V/µs) and superior DC precision.
LT1360CN8#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:
- 800V/µs
- Gain Bandwidth Product:
- 50 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 300 nA
- Voltage - Input Offset:
- 300 µV
- Current - Supply:
- 4mA
- Current - Output / Channel:
- 34 mA
- Voltage - Supply Span (Min):
- 5 V
- Voltage - Supply Span (Max):
- 30 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 8-PDIP
LT1360CN8#PBF FAQ
1.How can I place an order for LT1360CN8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1360CN8#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 LT1360CN8#PBF reliable?
The price and inventory of LT1360CN8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1360CN8#PBF is usually 5 days.
3.What payment methods are accepted for LT1360CN8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1360CN8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1360CN8#PBF?
LT1360CN8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1360CN8#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 LT1360CN8#PBF?
For technical support, including LT1360CN8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1360CN8#PBF requirements.
6.How does Aetrix verify that LT1360CN8#PBF is sourced from the original manufacturer or authorized distributors?
All LT1360CN8#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 LT1360CN8#PBF meets industry standards.
7.What is the process for return or replacement of LT1360CN8#PBF?
All LT1360CN8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1360CN8#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 LT1360CN8#PBF part is unused and in its original packaging.
Return procedure for LT1360CN8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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