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Analog Devices Inc. LT1364CS8#TRPBF
- Part No.:
- LT1364CS8#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LT1364CS8#TRPBF.pdf
- Description:
- IC VOLTAGE FEEDBACK 2 CIRC 8SO
- Quantity:
- Payment:
- Shipping:
Inventory:4,131
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Product details
Overview
LT1364CS8#TRPBF 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, supports ±2.5V to ±15V operation, and drives any capacitive load-making it ideal for video buffering, cable driving, and precision data acquisition systems.
For engineers reviewing the LT1364CS8#TRPBF datasheet, LT1364CS8#TRPBF pinout, LT1364CS8#TRPBF application, or LT1364CS8#TRPBF equivalent, key selection criteria include its C-load stability, 9nV/√Hz input noise, 50ns 0.1% settling time, differential gain/phase performance at 3.58MHz, and guaranteed operation across –40°C to 85°C.
Technical Context
The LT1364CS8#TRPBF employs a unique hybrid topology combining voltage-feedback architecture with current-feedback slewing behavior, enabling both high DC precision and fast transient response. Its matched high-impedance inputs use complementary NPN/PNP emitter followers to achieve first-order bias current cancellation and low input offset current (≤350nA).
Stability across all capacitive loads is achieved via internal compensation that senses the load-induced output pole and dynamically adjusts gain-node capacitance. This eliminates external compensation requirements while maintaining ≥38° phase margin even with 1000pF loads and preserving 70MHz bandwidth at ±15V supply.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Gain Bandwidth | 70MHz at ±15V - enables stable closed-loop operation up to 10MHz in G=10 configuration without peaking. |
| Slew Rate | 1000V/µs at ±15V - supports full-scale 10V step settling in ≤50ns (0.1%), critical for high-fidelity pulse amplification. |
| Input Noise Voltage | 9nV/√Hz at 10kHz - ensures minimal signal degradation in low-level analog front-ends like instrumentation amps. |
| Output Drive | ±7.5V into 150Ω at ±15V - directly drives 75Ω coaxial cables with series termination, eliminating buffer stages. |
| DC Accuracy | 1.5mV max VOS, 2µA max IB - maintains <0.01% gain error in precision gain blocks with balanced source impedances. |
| Capacitive Load Stability | Stable with any CL - removes need for external isolation resistors or compensation networks in video/buffer applications. |
| Supply Range | ±2.5V to ±15V - supports low-voltage portable systems and high-dynamic-range industrial signal chains. |
Pinout & Package
LT1364CS8#TRPBF is housed in an 8-lead plastic SOIC (S8) package with standard narrow-body 0.150" width, JEDEC MS-012 compliant, and RoHS-compliant matte tin lead finish.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | –IN A | Inverting input of Amplifier A; high-impedance node requiring matched source resistance for optimal DC accuracy. |
| 2 | +IN A | Non-inverting input of Amplifier A; complementary NPN/PNP pair enables low input bias current polarity reversal. |
| 3 | V+ | Positive supply rail; must be bypassed with 0.01µF ceramic + 1µF tantalum for high-current transient support. |
| 4 | OUT A | Amplifier A output; capable of sourcing/sinking ≥50mA and driving 150Ω loads to ±7.5V. |
| 5 | OUT B | Amplifier B output; fully independent channel with identical AC/DC specs and crosstalk >100dB at 1MHz. |
| 6 | V– | Negative supply rail; symmetric layout with V+ minimizes PSRR-induced errors in dual-supply configurations. |
| 7 | –IN B | Inverting input of Amplifier B; electrically isolated from Channel A to maintain >100dB channel separation. |
| 8 | +IN B | Non-inverting input of Amplifier B; shares same input structure and noise characteristics as Pin 2. |
Key Features
| Feature | Design Value |
|---|---|
| C-Load™ stability | Guaranteed stability with unlimited capacitive load - eliminates external compensation components in cable drivers and active filters. |
| Unity-gain stable | Operates robustly at G = 1 without oscillation - simplifies design of voltage followers and high-speed buffers. |
| Video-optimized distortion | 0.06% differential gain / 0.04° differential phase at 3.58MHz - meets NTSC/PAL broadcast standards for composite video paths. |
| Low power-speed ratio | 7.5mA max supply current per amplifier at 70MHz GBW - delivers 9.3MHz/mA efficiency, 2× better than legacy 50MHz op-amps. |
| Wide supply range | Operates from ±2.5V to ±15V - enables single design reuse across battery-powered sensors and industrial ±12V systems. |
Applications
| Instrumentation Amplifier Front-End | SD/HD Video Line Driver |
|---|---|
Use Scenario: Precision differential measurement in medical ECG or strain-gauge interfaces with 2MHz bandwidth requirement. IC Role / Device Role / Timing Role: Dual op-amp configured as two-stage instrumentation amplifier (gain = 100), providing common-mode rejection and buffered output. Use Value: 70MHz GBW and 50ns settling enable accurate capture of fast transients; low 9nV/√Hz noise preserves microvolt-level signal integrity. |
Use Scenario: Driving 75Ω coaxial cable in broadcast-quality SDI or component video equipment. IC Role / Device Role / Timing Role: Unity-gain buffer with series 75Ω output termination, delivering full-swing NTSC signal to long cable runs. Use Value: C-Load™ stability eliminates ringing; 0.06%/0.04° differential gain/phase ensures color fidelity per SMPTE 259M. |
| Data Acquisition Sample Buffer | Active Low-Pass Filter Stage |
Use Scenario: Isolating ADC input from multiplexer switching transients in 16-bit, 1MSPS data loggers. IC Role / Device Role / Timing Role: High-speed follower placed between analog mux and SAR ADC, minimizing charge kickback and settling delay. Use Value: 1000V/µs slew rate and 50ns 0.1% settling guarantee full-scale step resolution within one ADC clock cycle. |
Use Scenario: 4th-order Butterworth anti-aliasing filter in audio or vibration sensing front-end with 700kHz cutoff. IC Role / Device Role / Timing Role: Dual op-amp implementing two 2-pole Sallen-Key stages, each with precise gain and phase control. Use Value: 70MHz GBW supports filter Q-factor >10 without peaking; low VOS (≤1.5mV) prevents DC offset accumulation across stages. |
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 |
|---|---|---|---|
| LT1363CS8#TRPBF | Single-channel version; identical GBW (70MHz), slew rate (1000V/µs), and noise (9nV/√Hz); same S8 package. | Used where only one amplifier is needed - reduces board area and simplifies routing but doubles part count for dual-channel designs. | Select when system requires only one high-speed amplifier per board; avoids unused channel and saves cost per function. |
| LT1361CS8#TRPBF | 50MHz GBW, 800V/µs slew rate, 4mA supply current per amp; lower power but reduced speed and drive capability. | Suitable for battery-powered portable instruments where 50MHz bandwidth suffices and thermal budget is constrained. | Choose for energy-sensitive applications trading 29% bandwidth and 20% slew rate for 47% lower quiescent current. |
Compared with LT1363CS8#TRPBF and LT1361CS8#TRPBF, the LT1364CS8#TRPBF uniquely delivers dual-channel 70MHz performance in a compact SOIC-8, enabling space-constrained high-fidelity signal chains without sacrificing speed, drive, or stability.
Availability
LT1364CS8#TRPBF is available at Aetrix Electronics and suitable for video line driving, instrumentation amplifier front-ends, and high-speed data acquisition systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LT1364CS8#TRPBF 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 Linear op-amps including the LT1364 family.
The LT1364 series was designed specifically for high-fidelity analog signal paths demanding simultaneous wide bandwidth, low noise, high output drive, and unconditional capacitive-load stability - targeting video, test equipment, and precision data acquisition.
FAQ
What is the maximum capacitive load the LT1364CS8#TRPBF can drive while remaining stable?
The LT1364CS8#TRPBF is specified as stable with "any capacitive load" - a feature enabled by its proprietary C-Load™ compensation architecture. Test data confirms stability with loads up to 1000pF, exhibiting ≤62% peaking in small-signal response and no oscillation. For optimal pulse fidelity with coaxial cables, a series 75Ω resistor is recommended at the output.
Does the LT1364CS8#TRPBF support single-supply operation?
Yes, the LT1364CS8#TRPBF supports single-supply operation with input common-mode range extending to V– (ground) and output swing within 1.5V of rails. At ±2.5V supply, it delivers ±1.1V output into 1kΩ; at 5V single supply (V– = 0V, V+ = 5V), usable output range is ~0.5V to 4.5V with appropriate level-shifting on inputs.
What is the thermal resistance (θJA) of the LT1364CS8#TRPBF in its S8 package?
The LT1364CS8#TRPBF in the 8-lead SOIC (S8) package has a junction-to-ambient thermal resistance (θJA) of 190°C/W, as documented in the Absolute Maximum Ratings table. This value assumes standard JEDEC 2-layer board conditions; adding copper pour or thermal vias can reduce effective θJA by up to 30%.
How does the LT1364CS8#TRPBF achieve low input bias current despite bipolar input stage?
The LT1364CS8#TRPBF uses complementary NPN and PNP input transistors whose base currents oppose each other, achieving first-order cancellation. This results in typical input bias current of 0.6µA and max of 2.0µA - significantly lower than conventional bipolar op-amps - while retaining low noise and high slew rate.
Can the LT1364CS8#TRPBF be used in a comparator configuration?
No - the LT1364CS8#TRPBF is not designed for open-loop comparator use. Sustained large differential input voltages (>±10V transient limit) cause excessive supply current and risk thermal damage. Its internal compensation and architecture optimize closed-loop amplifier performance, not comparator hysteresis or propagation delay.
LT1364CS8#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- 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#TRPBF FAQ
1.How can I place an order for LT1364CS8#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1364CS8#TRPBF 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#TRPBF reliable?
The price and inventory of LT1364CS8#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1364CS8#TRPBF is usually 5 days.
3.What payment methods are accepted for LT1364CS8#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1364CS8#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1364CS8#TRPBF?
LT1364CS8#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1364CS8#TRPBF 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#TRPBF?
For technical support, including LT1364CS8#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1364CS8#TRPBF requirements.
6.How does Aetrix verify that LT1364CS8#TRPBF is sourced from the original manufacturer or authorized distributors?
All LT1364CS8#TRPBF 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#TRPBF meets industry standards.
7.What is the process for return or replacement of LT1364CS8#TRPBF?
All LT1364CS8#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1364CS8#TRPBF, 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#TRPBF part is unused and in its original packaging.
Return procedure for LT1364CS8#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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