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Analog Devices Inc. LT1364CS8#PBF
- Part No.:
- LT1364CS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1364CS8#PBF.pdf
- Description:
- IC VOLTAGE FEEDBACK 2 CIRC 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:928
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Product details
Overview
LT1364CS8#PBF from Analog Devices (formerly Linear Technology) is a dual high-speed voltage-feedback operational amplifier with 70MHz gain bandwidth, 1000V/µs slew rate, and unity-gain stability. It delivers ±7.5V output swing into 150Ω with ±15V supplies and drives capacitive loads without external compensation-ideal for video line drivers, active filters, and data acquisition front-ends.
For engineers reviewing the LT1364CS8#PBF datasheet, LT1364CS8#PBF pinout, LT1364CS8#PBF application, or LT1364CS8#PBF equivalent, key selection criteria include guaranteed 0.1% settling in 50ns, differential gain/phase of 0.06%/0.04° at 3.58MHz, and operation across ±2.5V to ±15V supplies with 7.5mA max supply current per amplifier.
Technical Context
The LT1364CS8#PBF employs a hybrid voltage-feedback topology with matched high-impedance inputs and current-feedback slewing performance. Its single-stage design enables fast settling and low distortion, while internal C-Load™ compensation ensures unconditional stability with any capacitive load-including coaxial cables.
It features complementary NPN/PNP input buffering, 500Ω input resistor-based transconductance stage, and bootstrapped RC compensation that dynamically adjusts phase margin under capacitive loading. Specified over –40°C to 85°C, it maintains 70MHz GBW and 1000V/µs slew rate at ±15V, degrading predictably to 50MHz/750V/µs at ±5V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth | 70MHz at ±15V - supports >10MHz closed-loop bandwidth in gain-of-2 configurations for video and RF signal conditioning. |
| Slew Rate | 1000V/µs at ±15V - enables full-scale 10V step response within 10ns, critical for pulse fidelity in data acquisition. |
| Input Offset Voltage | 1.5mV max at ±15V - ensures ≤15mV error in 10V full-scale systems without trimming. |
| Output Current | 50mA min into ±7.5V - drives 150Ω video loads or parallel termination resistors directly. |
| Settling Time | 50ns to 0.1% for 10V step - meets high-speed ADC driver requirements with minimal acquisition dead time. |
| Differential Phase | 0.04° at 3.58MHz, RL=150Ω - preserves color fidelity in composite video applications. |
| Supply Current | 7.5mA max per amplifier - enables dual-channel high-speed amplification within 15mA total budget. |
Pinout & Package
LT1364CS8#PBF is housed in an 8-lead plastic SOIC (S8) package with standard dual op-amp pinout and 1.27mm pitch. The package has θJA = 190°C/W and operates up to +85°C junction temperature.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Inverting Input A | High-impedance NPN/PNP differential pair input; accepts ±12V common-mode range at ±15V supply. |
| 2 | Non-inverting Input A | Matched high-Z input; bias current cancellation reduces offset drift with balanced source impedances. |
| 3 | Positive Supply (V+) | Accepts +2.5V to +15V; powers both amplifiers and internal compensation circuitry. |
| 4 | Output A | Class-AB output stage capable of ±7.5V swing into 150Ω; stable with >1nF capacitive loads. |
| 5 | Output B | Independent output; channel separation ≥100dB prevents crosstalk in dual-channel instrumentation. |
| 6 | Inverting Input B | Electrically identical to Pin 1; supports fully independent second amplifier channel. |
| 7 | Non-inverting Input B | Matches Pin 2; enables dual-channel synchronous signal processing without inter-channel coupling. |
| 8 | Negative Supply (V–) | Accepts –2.5V to –15V; referenced internally for rail-to-rail input common-mode range. |
Key Features
| Feature | Design Value |
|---|---|
| C-Load™ Compensation | Eliminates need for external isolation resistors when driving coaxial cables or ADC input capacitance. |
| Unity-Gain Stability | Operates stably at AV = 1 without added feedback capacitance-reduces component count in buffer designs. |
| Wide Supply Range | ±2.5V to ±15V operation enables use in low-voltage portable systems and high-dynamic-range industrial equipment. |
| Low Input Noise | 9nV/√Hz at 10kHz supports high-resolution sensor signal conditioning without noise floor degradation. |
| Video-Optimized Linearity | 0.06% differential gain and 0.04° differential phase meet NTSC/PAL broadcast-grade video specs. |
Applications
| Video Line Driver | Active Filter Stage |
|---|---|
Use Scenario: Driving 75Ω coaxial cable in SD/HD composite video distribution systems. IC Role / Device Role / Timing Role: Buffer amplifier with gain-of-2 configuration and series 75Ω output termination. Use Value: Maintains 0.06% differential gain and 0.04° differential phase at 3.58MHz, preserving color accuracy without external peaking networks. | Use Scenario: 4th-order Butterworth low-pass filtering at 700kHz in medical imaging front-ends. IC Role / Device Role / Timing Role: Dual-amplifier biquad section implementing 2-pole transfer function with precise pole placement. Use Value: 70MHz GBW ensures filter Q-factor remains stable across temperature; 50ns settling enables rapid step response between scan lines. |
| Data Acquisition Channel | Instrumentation Amplifier Core |
Use Scenario: High-speed multiplexed ADC driver for 1MSPS data loggers with ±10V input range. IC Role / Device Role / Timing Role: Single-supply or dual-supply buffer isolating multiplexer output from ADC input capacitance. Use Value: Drives 150pF+ ADC inputs with <50ns 0.1% settling, minimizing acquisition dead time and aperture uncertainty. | Use Scenario: Two-op-amp instrumentation amplifier for bridge sensor readout in industrial control systems. IC Role / Device Role / Timing Role: First-stage differential amplifier and second-stage gain-setting amplifier in precision I-Amp topology. Use Value: 1.5mV max VOS and 350nA max IOS enable sub-0.1% gain error at 100× gain without manual trimming. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed dual op-amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT1364CN8#PBF | Dual op-amp in 8-lead PDIP package; θJA = 130°C/W vs. 190°C/W for S8; same electrical specs. | Preferred for prototyping or through-hole PCBs; higher thermal resistance limits high-power-density layouts. | Select LT1364CN8#PBF only when DIP footprint is required; SMT version offers superior thermal performance in compact designs. |
| LT1813CS8#PBF | Lower power (3mA/amplifier), lower slew rate (700V/µs), reduced GBW (100MHz), optimized for ±5V operation. | Better suited for battery-powered portable instruments; insufficient slew for 10V-step 50ns settling at ±15V. | Choose LT1813CS8#PBF for low-voltage, low-power systems; LT1364CS8#PBF remains optimal for full ±15V video/data acquisition. |
Compared with LT1364CN8#PBF, the LT1364CS8#PBF offers superior thermal management in space-constrained SMT layouts, while LT1813CS8#PBF trades speed and drive strength for power efficiency-making LT1364CS8#PBF the only choice for demanding ±15V, high-fidelity analog signal paths.
Availability
LT1364CS8#PBF is available at Aetrix Electronics and suitable for video line driving, active filter implementation, and high-speed data acquisition requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for LT1364CS8#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 support, manufacturing, and qualification for all legacy Linear op-amps including the LT1364 family.
The LT1364 series was designed as a high-speed, low-distortion dual op-amp platform targeting video, instrumentation, and data acquisition systems where unity-gain stability, capacitive load drive, and sub-100ns settling are mandatory.
FAQ
What is the maximum capacitive load the LT1364CS8#PBF can drive without oscillation?
The LT1364CS8#PBF is unconditionally stable with any capacitive load due to its proprietary C-Load™ compensation architecture. Test data confirms stable operation with ≥10,000pF loads, though bandwidth and phase margin decrease progressively-e.g., 200pF causes 62% peaking in small-signal transient response. For coaxial cable driving, a series 75Ω resistor is recommended to optimize pulse fidelity.
Does the LT1364CS8#PBF require external compensation for unity-gain operation?
No, the LT1364CS8#PBF is unity-gain stable and requires no external compensation components. Its internal compensation network ensures ≥38° phase margin at unity gain across all supply voltages (±2.5V to ±15V) and temperatures (–40°C to 85°C), as verified in the Gain Bandwidth vs Supply Voltage characterization curves.
What is the guaranteed settling time specification for the LT1364CS8#PBF?
The LT1364CS8#PBF is specified for 50ns settling to 0.1% for a 10V output step in inverting configuration (AV = –1) at ±15V supplies. This value is tested and guaranteed across the –40°C to 85°C operating temperature range and represents worst-case performance under full-swing conditions.
Can the LT1364CS8#PBF operate from a single +5V supply?
Yes, the LT1364CS8#PBF supports single-supply operation with V+ = +5V and V– = 0V (ground). Input common-mode range extends to within 1.1V of either rail, and output swing reaches ±2.5V into 500Ω (i.e., 0.5V to 4.5V). However, slew rate drops to 450V/µs and GBW to 50MHz versus ±15V operation.
How does the LT1364CS8#PBF achieve low differential phase error in video applications?
The LT1364CS8#PBF achieves 0.04° differential phase at 3.58MHz via ultra-linear open-loop gain (>90dB) and tightly controlled group delay across the NTSC luminance/chrominance band. Its single-stage topology minimizes phase nonlinearity, and the 70MHz GBW ensures sufficient loop gain at 3.58MHz to suppress phase distortion introduced by feedback network tolerances.
LT1364CS8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Amplifier Type:
- Voltage Feedback
- Number of Circuits:
- 2
- 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 (x2 Channels)
- 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:
- Surface Mount
- Supplier Device Package:
- 8-SO
LT1364CS8#PBF FAQ
1.How can I place an order for LT1364CS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1364CS8#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 LT1364CS8#PBF reliable?
The price and inventory of LT1364CS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1364CS8#PBF is usually 5 days.
3.What payment methods are accepted for LT1364CS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1364CS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1364CS8#PBF?
LT1364CS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1364CS8#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 LT1364CS8#PBF?
For technical support, including LT1364CS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1364CS8#PBF requirements.
6.How does Aetrix verify that LT1364CS8#PBF is sourced from the original manufacturer or authorized distributors?
All LT1364CS8#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 LT1364CS8#PBF meets industry standards.
7.What is the process for return or replacement of LT1364CS8#PBF?
All LT1364CS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1364CS8#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 LT1364CS8#PBF part is unused and in its original packaging.
Return procedure for LT1364CS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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