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Analog Devices Inc. LT1395CS6#TRMPBF
- Part No.:
- LT1395CS6#TRMPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- SOT-23-6
- Datasheet:
-
LT1395CS6#TRMPBF.pdf
- Description:
- IC OPAMP CFA 1 CIRCUIT TSOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:952
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Product details
Overview
LT1395CS6#TRMPBF from Analog Devices (formerly Linear Technology) is a single-channel, current-feedback operational amplifier in a 6-lead TSOT-23 package, featuring 400MHz bandwidth at AV = 1, 800V/μs slew rate, ±5V supply operation, and an integrated enable (EN) pin for ultra-low-power shutdown mode. It delivers 80mA output current and achieves 0.1dB gain flatness to 100MHz - ideal for high-speed video loop-through and RGB signal conditioning in portable instrumentation.
For engineers reviewing the LT1395CS6#TRMPBF datasheet, LT1395CS6#TRMPBF pinout, LT1395CS6#TRMPBF application, or LT1395CS6#TRMPBF equivalent, key selection criteria include its 30ns turn-on / 40ns turn-off timing, high-impedance shutdown state (<100μA disable current), and stable performance across ±2V to ±6V supplies - critical for spread-spectrum clocking and battery-powered analog front-ends.
Technical Context
The LT1395CS6#TRMPBF employs a current-feedback architecture with separate input and output slew-rate paths: input stage limited to ~600V/μs, output stage delivering 800V/μs at AV = 2 with 255Ω feedback resistors. Its EN pin interfaces directly with CMOS logic (low-enable), driving supply current from 4.6mA active to <100μA disabled while forcing output into high-impedance state.
Designed for ±5V operation, it maintains 400MHz –3dB bandwidth (AV = 1), 350MHz (AV = 2 or –1), and 100MHz 0.1dB gain flatness. Input differential voltage is limited to ±5V; common-mode range extends to ±3.5V; PSRR is 70dB and CMRR is 52dB - enabling robust performance in noisy mixed-signal environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth (–3dB) | 400MHz at AV = 1 - supports full HD video baseband amplification without phase distortion |
| Slew Rate | 800V/μs at AV = 2 - enables clean 100MHz square-wave reproduction with <10% overshoot |
| Supply Range | ±2V to ±6V (4V–12V total) - compatible with single-supply 5V systems via ground-referenced negative rail |
| Output Current | ±80mA - drives 75Ω coaxial cables and multiple downstream loads without external buffering |
| Enable Timing | 30ns turn-on / 40ns turn-off - meets tight sequencing requirements in time-multiplexed signal paths |
| Disable Supply Current | <100μA - eliminates quiescent drain in sleep-mode portable equipment |
| Input Noise | 4.5nV/√Hz at 1kHz - preserves SNR in low-level analog signal chains |
Pinout & Package
LT1395CS6#TRMPBF uses a 6-lead plastic TSOT-23 package (S6), 2.9mm × 1.6mm × 0.9mm profile, with exposed pad electrically isolated and not connected to any internal node.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUT | Amplifier output terminal; capable of ±80mA drive into 150Ω load with 3.4V swing |
| 2 | V– | Negative supply rail connection; must be decoupled locally to minimize PSRR degradation |
| 3 | +IN | Noninverting input; high-impedance (0.3–1MΩ), 2.0pF capacitance, ±3.5V common-mode range |
| 4 | –IN | Inverting input; current-feedback node requiring precise 255Ω feedback resistor for stability |
| 5 | EN | Active-low enable control; logic low (≤0.8V) activates amplifier; high (>3V below V+) disables with high-Z output |
| 6 | V+ | Positive supply rail connection; supports up to +6V; PSRR = 70dB against ripple |
Key Features
| Feature | Design Value |
|---|---|
| Current-feedback architecture | Enables constant bandwidth across gains - 400MHz at AV = 1, 350MHz at AV = 2 - unlike voltage-feedback op amps |
| Integrated enable pin | Reduces system standby power by >99% versus always-on amplifiers; eliminates need for external MOSFET switch |
| High-output-current capability | Drives 75Ω video lines directly without series termination or buffer stages - simplifies PCB layout |
| Low-distortion video performance | 0.02% differential gain / 0.04° differential phase error - meets broadcast-grade NTSC/PAL specifications |
| Wide supply flexibility | Operates from ±2V to ±6V; maintains specs across supply mismatch up to ±1V - tolerates unregulated rails |
Applications
| Video Loop-Through Amplifier | RGB Signal Conditioning |
|---|---|
Use Scenario: Distribution of composite video signals from camera to display and recording path simultaneously. IC Role / Device Role / Timing Role: Unity-gain buffer with high input impedance and low output impedance, preserving cable termination integrity even during power-down. Use Value: Maintains 75Ω source/load match; enables hot-plug detection via EN pin; eliminates ghosting with 100MHz 0.1dB flatness. |
Use Scenario: Conversion between RGB and YUV color spaces in portable medical imaging displays. IC Role / Device Role / Timing Role: High-speed current-feedback amplifier in matrix summing configuration with precise resistor ratios. Use Value: Achieves <0.05° phase error across 30MHz bandwidth - critical for accurate color reproduction in diagnostic monitors. |
| Spread-Spectrum Clock Buffer | Portable Test Equipment Front-End |
Use Scenario: Distribution of dithered clock signals to multiple ADCs/DACs in EMI-sensitive measurement gear. IC Role / Device Role / Timing Role: Low-jitter, fast-enable buffer that synchronizes with spread-spectrum modulation edges. Use Value: 30ns enable time ensures sub-cycle activation; 800V/μs slew rate prevents edge rounding on 100MHz clocks. |
Use Scenario: Signal acquisition channel in handheld oscilloscopes and spectrum analyzers. IC Role / Device Role / Timing Role: DC-coupled, wideband gain stage preceding ADC, with shutdown during idle periods. Use Value: <100μA shutdown current extends battery life; 4.5nV/√Hz noise floor preserves dynamic range down to 12-bit ENOB. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed current-feedback amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH6702MF/NOPB | Wider supply range (±2.5V to ±6V); higher 1.8GHz GBW but lower output current (±60mA); no enable pin | Lacks integrated shutdown - requires external FET switching for power gating | Choose when maximum bandwidth outweighs power control needs and board space allows discrete switch |
| ADA4817-1ACPZ-R7 | Faster 1.05GHz GBW; lower 4.2nV/√Hz noise; 70mA output; no enable pin; requires dual supply | No native low-power disable mode; higher quiescent current (10.5mA vs 4.6mA) | Select for ultra-low-noise, high-fidelity signal chains where continuous operation is acceptable |
Compared with LMH6702MF/NOPB and ADA4817-1ACPZ-R7, the LT1395CS6#TRMPBF uniquely combines 400MHz bandwidth, 80mA drive, and sub-100μA shutdown in a 6-pin TSOT-23 - making it the only option for space-constrained, battery-operated systems requiring rapid signal-path enable/disable.
Availability
LT1395CS6#TRMPBF is available at Aetrix Electronics and suitable for video distribution, portable instrumentation, and spread-spectrum clocking applications requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for LT1395CS6#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, Inc. (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies.
The LT1395 family was designed specifically for high-speed video, communications, and instrumentation applications demanding wide bandwidth, fast settling, and low distortion - with the LT1395CS6#TRMPBF variant optimized for portable systems needing dynamic power control.
FAQ
What is the maximum capacitive load the LT1395CS6#TRMPBF can drive stably?
The LT1395CS6#TRMPBF can drive up to 1000pF capacitively with proper feedback resistor selection: at AV = 2 and RF = RG = 255Ω, stability is maintained up to 1000pF; beyond that, a 5–35Ω series output resistor is recommended. The device's output impedance drops to <1Ω above 10MHz, enabling direct coaxial drive without peaking - verified in Figure G14 of the official datasheet.
Does the LT1395CS6#TRMPBF require external compensation components?
No, the LT1395CS6#TRMPBF is internally compensated for unity-gain stability and does not require external capacitors. Its current-feedback architecture relies solely on precise external feedback resistors (e.g., 255Ω for AV = 2) - stray capacitance at the –IN pin must be minimized (<0.5pF) to avoid peaking, per Application Note section "Capacitance on the Inverting Input".
How does the EN pin behave under partial supply conditions?
When V+ is <3V, the EN pin must be tied to V– to ensure reliable disable - because LT1395CS6#TRMPBF enable threshold depends on (V+ – VEN), and leakage currents may cause incomplete shutdown if left floating or weakly pulled. At ±5V, EN <0.8V enables; EN >3V disables. Enable pin current is 30–110μA when active, per Electrical Characteristics Table.
Can the LT1395CS6#TRMPBF operate from a single 5V supply?
Yes, the LT1395CS6#TRMPBF supports single-supply operation: connect V– to ground (0V) and V+ to +5V. Input common-mode range extends to 0V (VINL = 1.0V min at VS = 5V/0V), and output swings to within 0.6V of rails (VOUTL = 0.6V, VOUTH = 4.2V). For rail-to-rail input/output, external level-shifting is required - confirmed in VINL/VINH and VOUTL/VOUTH specs on page 4.
What is the thermal resistance (θJA) of the LT1395CS6#TRMPBF in TSOT-23?
The LT1395CS6#TRMPBF in 6-lead TSOT-23 (S6 package) has θJA = 230°C/W, measured on a standard JEDEC 2-layer test board. Junction temperature is calculated as TJ = TA + (PD × 230°C/W); maximum rated TJ is 150°C. For sustained 80mA output into 150Ω at ±5V, power dissipation remains <120mW - keeping TJ well within limits at 70°C ambient.
LT1395CS6#TRMPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- SOT-23-6
- 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-23-6
LT1395CS6#TRMPBF FAQ
1.How can I place an order for LT1395CS6#TRMPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1395CS6#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 LT1395CS6#TRMPBF reliable?
The price and inventory of LT1395CS6#TRMPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1395CS6#TRMPBF is usually 5 days.
3.What payment methods are accepted for LT1395CS6#TRMPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1395CS6#TRMPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1395CS6#TRMPBF?
LT1395CS6#TRMPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1395CS6#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 LT1395CS6#TRMPBF?
For technical support, including LT1395CS6#TRMPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1395CS6#TRMPBF requirements.
6.How does Aetrix verify that LT1395CS6#TRMPBF is sourced from the original manufacturer or authorized distributors?
All LT1395CS6#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 LT1395CS6#TRMPBF meets industry standards.
7.What is the process for return or replacement of LT1395CS6#TRMPBF?
All LT1395CS6#TRMPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1395CS6#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 LT1395CS6#TRMPBF part is unused and in its original packaging.
Return procedure for LT1395CS6#TRMPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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