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Analog Devices Inc. LT1395CS5#TRMPBF
- Part No.:
- LT1395CS5#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
LT1395CS5#TRMPBF.pdf
- Description:
- IC OPAMP CFA 1 CIRCUIT TSOT23-5
- Quantity:
- Payment:
- Shipping:
Inventory:1,842
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Product details
Overview
LT1395CS5#TRMPBF from Analog Devices (formerly Linear Technology) is a single-channel, 400MHz current feedback amplifier in a 5-lead TSOT-23 package, delivering 800V/μs slew rate, ±80mA output current, and 4.6mA supply current per amplifier at ±5V. It operates from ±2V to ±6V supplies and is optimized for video loop-through, cable driver, and high-speed portable equipment applications.
For engineers reviewing the LT1395CS5#TRMPBF datasheet, LT1395CS5#TRMPBF pinout, LT1395CS5#TRMPBF application, or LT1395CS5#TRMPBF equivalent, this page provides verified pin functions, bandwidth vs gain data, thermal resistance (θJA = 250°C/W), shutdown-free operation, and design-meaningful specifications for high-fidelity analog signal routing in space-constrained systems.
Technical Context
The LT1395CS5#TRMPBF uses a current feedback architecture with separate input and output stage slew rate limits-input stage ~600V/μs, output stage up to 800V/μs depending on feedback resistor value and gain configuration. Its bandwidth is resistor-dependent: 400MHz at AV = 1 (RF = 374Ω), 350MHz at AV = 2 or –1 (RF = RG = 255Ω).
It features low input capacitance (2.0pF), high input resistance (0.3–1MΩ), and rail-to-rail output swing capability (±3.4V into 150Ω at ±5V). Common-mode rejection (42–52dB) and power supply rejection (56–70dB) are specified over temperature, supporting stable performance in noisy mixed-signal environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth (AV = 1) | 400MHz - enables full HD video signal amplification without phase distortion up to 100MHz (0.1dB flatness). |
| Slew Rate | 800V/μs - supports clean 100MHz square wave reproduction with <10% overshoot and 1.3ns rise time. |
| Output Current | ±80mA - drives 75Ω coaxial cables directly or sustains 150Ω loads at ±3.4V swing under ±5V supply. |
| Supply Current | 4.6mA per amplifier - enables low-power portable designs; no enable/disable control required (unlike CS6 variant). |
| Input Voltage Range | ±3.5V (VS = ±5V) - accommodates large-swing video signals while maintaining linear operation. |
| Small-Signal Rise Time | 1.3ns - ensures minimal timing skew in multi-channel sync-critical video distribution paths. |
| Thermal Resistance θJA | 250°C/W - requires careful PCB copper area planning for continuous 80mA output in ambient >60°C. |
Pinout & Package
LT1395CS5#TRMPBF is housed in a 5-lead plastic TSOT-23 package (1.0mm height), optimized for space-constrained PCB layouts. Pin 1 is OUT; Pin 2 is V–; Pin 3 is +IN; Pin 4 is –IN; Pin 5 is V+.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT (Pin 1) | Amplifier output node | Capable of ±80mA drive; must be isolated from >100pF capacitive loads unless series resistor ≥5Ω is used. |
| V– (Pin 2) | Negative supply connection | Reference for internal biasing; connects to –5V (or ground in single-supply); exposed pad optional but recommended for thermal relief. |
| +IN (Pin 3) | Noninverting input | High-impedance (≥0.3MΩ), low-noise (4.5nV/√Hz) node; differential input voltage limited to ±5V absolute max. |
| –IN (Pin 4) | Inverting input | Current-summing node requiring resistive feedback only; stray capacitance here causes peaking/overshoot. |
| V+ (Pin 5) | Positive supply connection | Accepts +5V (or +4V to +12V total supply range); supply mismatch >1V increases offset by ~2.5mV/V. |
Key Features
| Feature | Design Value |
|---|---|
| 400MHz bandwidth at AV = 1 | Enables direct amplification of baseband RGB or Y/C video signals without intermediate filtering or gain staging. |
| 800V/μs slew rate | Preserves edge integrity in fast-switching digital video interfaces (e.g., LVDS receiver front-end buffering). |
| ±80mA output drive | Eliminates need for external buffer stages when driving 75Ω coax or multiple parallel loads (e.g., video MUX outputs). |
| Low 4.6mA quiescent current | Reduces thermal load in dense multi-amplifier video boards; no enable pin simplifies control logic. |
| TSOT-23-5 footprint | Supports 0.65mm pitch routing and automated assembly; compatible with standard SMT reflow profiles. |
Applications
| Video Loop-Through Amplifier | Cable Driver for RGB Signals |
|---|---|
|
Use Scenario: Distribution of analog RGB video from a graphics source to multiple monitors or capture devices with minimal signal degradation. IC Role / Device Role / Timing Role: Unity-gain buffer placed between source and first split point to maintain impedance match and prevent cable reflections. Use Value: 0.1dB gain flatness to 100MHz and <0.02% differential gain error ensure color fidelity across full NTSC/PAL bandwidth. |
Use Scenario: Driving long 75Ω coaxial cables carrying RGBHV or component video in broadcast equipment. IC Role / Device Role / Timing Role: High-current output stage compensating for cable attenuation and capacitive loading. Use Value: ±80mA drive capability sustains 1VP-P signal integrity over 30m RG-59 cable at 100MHz without equalization. |
| MUX Amplifier for Video Switching | IF Amplifier in RF Demodulation |
|
Use Scenario: Output buffering after analog video multiplexer to isolate channel crosstalk and restore signal level. IC Role / Device Role / Timing Role: Post-MUX gain block with fast settling (<25ns to 0.1%) and low propagation delay (2.5ns). Use Value: 1.3ns rise time and 10% overshoot enable clean switching transients without ghosting or ringing artifacts. |
Use Scenario: Intermediate frequency amplification in analog TV tuners or software-defined radio receivers operating at 30–100MHz. IC Role / Device Role / Timing Role: Fixed-gain current feedback stage providing wideband amplification with minimal group delay variation. Use Value: 350MHz bandwidth at AV = 2 supports full IF passband (e.g., 44MHz ±6MHz) with <0.04° differential phase error. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar current feedback amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT1395CS6#TRMPBF | Includes EN pin for 30ns enable/disable; draws ≤100μA in shutdown; same bandwidth/slew rate. | Required where dynamic power gating is needed (e.g., spread-spectrum clocking, battery-powered displays). | Select LT1395CS6#TRMPBF only if system-level power sequencing mandates active disable; otherwise LT1395CS5#TRMPBF offers simpler layout and lower BOM count. |
| ADA4817-1ARMZ | Higher 1GHz GBW, lower 4.3nV/√Hz noise, but 20mA IOUT; SOIC-8 package; no TSOT-23 option. | Better suited for low-noise preamp stages than high-current cable driving; lacks 75Ω drive capability. | Choose ADA4817-1ARMZ for precision IF amplification where noise dominates; avoid for video distribution due to insufficient output current. |
Compared with LT1395CS6#TRMPBF, LT1395CS5#TRMPBF eliminates enable-control complexity and reduces board area, while retaining identical AC performance and DC specs-ideal for always-on video signal conditioning. Versus ADA4817-1ARMZ, it trades noise floor for 4× higher output current and compact TSOT-23 packaging, making it superior for space-limited, high-drive applications.
Availability
LT1395CS5#TRMPBF is available at Aetrix Electronics and suitable for video loop-through amplifiers, RGB cable drivers, and IF amplifier circuits requiring stable component supply, consistent parametric performance, and long-term industrial availability.
Supply support for LT1395CS5#TRMPBF 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, datasheet documentation, and application engineering for legacy Linear parts including the LT1395 family.
The LT1395 series was designed specifically for high-speed analog signal routing in video, communications, and instrumentation systems-emphasizing bandwidth, slew rate, and drive strength over ultra-low noise or precision DC specs.
FAQ
What is the maximum capacitive load the LT1395CS5#TRMPBF can drive without oscillation?
The LT1395CS5#TRMPBF can drive up to 100pF directly when using RF = RG = 255Ω at AV = 2. For larger loads (e.g., >100pF), a 5–35Ω series resistor at the output is required to maintain stability and limit overshoot to <2%. This is confirmed in Figure G14 of the official datasheet, where output series resistance vs capacitive load curves are explicitly provided for the LT1395CS5#TRMPBF.
Does the LT1395CS5#TRMPBF support single-supply operation?
Yes, the LT1395CS5#TRMPBF operates from a single 4V supply (V+ = 4V, V– = 0V) up to ±6V (12V total). At 4V single supply, input common-mode range extends from 0.5V to 3.5V and output swing reaches 0.8V to 3.2V into 150Ω, enabling use in low-voltage portable video systems without level-shifting circuitry.
How does the LT1395CS5#TRMPBF differ from the LT1395CS6#TRMPBF?
The LT1395CS5#TRMPBF has no enable pin and operates continuously; the LT1395CS6#TRMPBF adds Pin 5 (EN) for 30ns turn-on/40ns turn-off control and draws ≤100μA in shutdown. Both share identical bandwidth (400MHz), slew rate (800V/μs), and output drive (±80mA), but only the CS6 variant supports dynamic power gating.
What is the thermal resistance (θJA) of the LT1395CS5#TRMPBF in its TSOT-23 package?
The LT1395CS5#TRMPBF has a junction-to-ambient thermal resistance (θJA) of 250°C/W, measured with minimal PCB copper area. With expanded thermal pads on all layers, θJA improves significantly-designers should allocate ≥25mm² of 2oz copper connected to Pin 2 (V–) and the exposed pad (if present) to sustain continuous 80mA output at ambient temperatures above 60°C.
Can the LT1395CS5#TRMPBF be used in a non-inverting gain-of-3 configuration?
Yes-the LT1395CS5#TRMPBF supports non-inverting gains up to 10. At AV = 3 with RF = RG = 221Ω and RL = 500Ω, it delivers 300MHz –3dB bandwidth and 100MHz 0.1dB flatness (per Typical Performance Table on page 6). Gain-setting resistors must be 1% tolerance metal film to preserve CMRR and bandwidth consistency.
LT1395CS5#TRMPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SOT-23-5 Thin, TSOT-23-5
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Current Feedback
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 800V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 400 MHz
- Current - Input Bias:
- 10 µA
- Voltage - Input Offset:
- 1 mV
- Current - Supply:
- 4.6mA
- Current - Output / Channel:
- 80 mA
- Voltage - Supply Span (Min):
- 4 V
- Voltage - Supply Span (Max):
- 12 V
- Operating Temperature:
- 0°C ~ 70°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-5
LT1395CS5#TRMPBF FAQ
1.How can I place an order for LT1395CS5#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1395CS5#TRMPBF 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 LT1395CS5#TRMPBF reliable?
The price and inventory of LT1395CS5#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1395CS5#TRMPBF is usually 5 days.
3.What payment methods are accepted for LT1395CS5#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1395CS5#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1395CS5#TRMPBF?
LT1395CS5#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1395CS5#TRMPBF 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 LT1395CS5#TRMPBF?
For technical support, including LT1395CS5#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1395CS5#TRMPBF requirements.
6.How does Aetrix verify that LT1395CS5#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LT1395CS5#TRMPBF 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 LT1395CS5#TRMPBF meets industry standards.
7.What is the process for return or replacement of LT1395CS5#TRMPBF?
All LT1395CS5#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1395CS5#TRMPBF, 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 LT1395CS5#TRMPBF part is unused and in its original packaging.
Return procedure for LT1395CS5#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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