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Analog Devices Inc. LT1396CMS8#TRPBF
- Part No.:
- LT1396CMS8#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LT1396CMS8#TRPBF.pdf
- Description:
- IC OPAMP CFA 2 CIRCUIT 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,418
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Product details
Overview
LT1396CMS8#TRPBF from Analog Devices (acquired Linear Technology) is a dual-channel 400MHz current feedback amplifier in an 8-lead MSOP package, delivering 800V/μs slew rate, ±80mA output current, and 4.6mA per amplifier supply current at ±5V - optimized for high-speed video loop-through, RGB buffering, and IF signal conditioning in compact portable systems.
For engineers reviewing the LT1396CMS8#TRPBF datasheet, LT1396CMS8#TRPBF pinout, LT1396CMS8#TRPBF application, or LT1396CMS8#TRPBF equivalent, key selection criteria include bandwidth at AV = 1 (400MHz), input voltage range (±3.5V), output swing into 150Ω (±3.4V), differential gain error (0.02%), and MSOP thermal resistance (θJA = 250°C/W).
Technical Context
The LT1396CMS8#TRPBF implements a current feedback architecture with separate high-impedance noninverting input and low-impedance inverting input, enabling stable operation with fixed 255Ω feedback resistors across gains of 1, 2, and –1. Its bandwidth scales with supply voltage and feedback resistor value, maintaining 350MHz at AV = 2 and 100MHz 0.1dB flatness.
It operates from ±2V to ±6V supplies, features rail-to-rail input common-mode range (±3.5V at ±5V), and delivers low distortion (<–80dB HD2/HD3 at 1MHz) and precise video performance (0.02% differential gain, 0.04° differential phase) without requiring external compensation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Bandwidth (AV = 1) | 400MHz - supports full NTSC/PAL video baseband and 1080p60 RGB signal amplification without attenuation. |
| Slew Rate | 800V/μs - enables clean 1V step response in <1.3ns with minimal overshoot (10%) for fast transient fidelity. |
| Output Current | ±80mA - drives 75Ω coaxial cables, back-terminated video lines, or multiple parallel loads directly. |
| Supply Current | 4.6mA per amplifier - enables dual-channel high-speed amplification within 9.2mA total, suitable for battery-sensitive portable designs. |
| Input Voltage Range | ±3.5V at ±5V supply - accommodates standard video signal swings while maintaining linearity and avoiding clipping. |
| Differential Gain/Phase | 0.02% / 0.04° - meets broadcast-grade video spec for color fidelity in RGB/YUV processing paths. |
| Small-Signal Rise Time | 1.3ns - ensures sub-2ns edge integrity for high-resolution timing-critical interfaces like LVDS receivers or ADC drivers. |
Pinout & Package
LT1396CMS8#TRPBF uses an 8-lead plastic MSOP package (3.0mm × 3.0mm × 1.1mm height), with exposed pad thermally connected to V– for enhanced power dissipation (θJA = 250°C/W). Pin 1 is OUT A; pin 8 is V+.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT A (Pin 1) | A channel output | Low-impedance current feedback output capable of ±80mA drive into 150Ω or 75Ω loads. |
| –IN A (Pin 2) | Inverting input of A channel | Low-impedance node (≈25Ω) requiring matched 255Ω feedback resistor for stability and bandwidth control. |
| +IN A (Pin 3) | Noninverting input of A channel | High-impedance FET input (1MΩ) with 2pF capacitance; accepts DC-coupled video or IF signals up to ±3.5V. |
| V– (Pin 4) | Negative supply rail | Reference for both amplifiers; undersurface metal pad must be soldered to PCB ground plane for thermal and noise performance. |
| +IN B (Pin 5) | Noninverting input of B channel | Independent high-Z input identical to +IN A; enables dual-signal processing without crosstalk. |
| –IN B (Pin 6) | Inverting input of B channel | Independent low-Z input identical to –IN A; supports separate feedback networks per channel. |
| OUT B (Pin 7) | B channel output | Fully independent output with same drive strength and slew as OUT A; supports true dual-channel operation. |
| V+ (Pin 8) | Positive supply rail | Accepts +2V to +6V (single-supply) or connects to +5V in split-supply ±5V systems. |
Key Features
| Feature | Design Value |
|---|---|
| 400MHz unity-gain bandwidth | Enables direct amplification of baseband video (DC–40MHz), HDMI auxiliary channels, and IF signals up to 350MHz at AV = 2. |
| 0.1dB gain flatness to 100MHz | Preserves amplitude integrity across HDTV luminance and chrominance bands without equalization. |
| 800V/μs slew rate | Supports >1V/ns transitions required for 1080p60 RGB pixel clocks and fast-settling ADC front-ends. |
| ±80mA output drive | Eliminates need for external buffer stages when driving 75Ω coax, twisted-pair, or multi-load video distribution networks. |
| Low 4.6mA per amplifier supply current | Reduces thermal load in space-constrained MSOP layout while maintaining full RF performance. |
Applications
| Video Loop-Through Amplifier | RGB Signal Buffering |
|---|---|
Use Scenario: Distribution of analog video signals from camera or graphics source to monitor and recording path simultaneously. IC Role / Device Role / Timing Role: Dual-channel current feedback amplifier configured as unity-gain follower on each channel to isolate source from load capacitance. Use Value: Maintains 0.02% differential gain and 0.04° phase accuracy across 10MHz bandwidth, preserving color fidelity without added latency or distortion. | Use Scenario: Conditioning RGB outputs from FPGA or GPU before transmission over 75Ω coaxial cable. IC Role / Device Role / Timing Role: Dual-channel driver with back-termination (75Ω series resistor) and gain-of-2 noninverting configuration for R and B, gain-of-1 for G. Use Value: Delivers full 1080p60 pixel clock edge integrity (1.3ns rise time) and ±3.4V swing into 75Ω, eliminating signal degradation from stubs or connectors. |
| IF Signal Amplifier | High-Speed MUX Amplifier |
Use Scenario: Amplification of intermediate frequency signals (e.g., 70MHz, 140MHz) in software-defined radio receive chains. IC Role / Device Role / Timing Role: Dual-channel gain-of-2 amplifier with 350MHz bandwidth and low 4.5nV/√Hz input noise. Use Value: Provides 65dB large-signal voltage gain with <–80dBc harmonic distortion at 10MHz, supporting high-dynamic-range SDR front-ends. | Use Scenario: Signal conditioning after analog multiplexer in high-speed data acquisition systems. IC Role / Device Role / Timing Role: Dual-channel post-MUX buffer with fast 25ns 0.1% settling time and low 15μV/°C offset drift. Use Value: Minimizes settling error and crosstalk-induced gain error between channels, enabling accurate multi-channel simultaneous sampling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel current feedback amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADA4817-2ARMZ | Higher 1GHz GBW but lower 40mA output drive; 10.5mA supply current; requires external compensation for stability at AV = 1. | Better for ultra-wideband small-signal gain blocks; unsuitable for 75Ω video drive or high-current IF stages. | Select ADA4817-2ARMZ only when bandwidth >600MHz is mandatory and load current ≤40mA. |
| LMH6702MA/NOPB | 400MHz bandwidth at AV = 2 but only 200MHz at AV = 1; 110mA output drive; 12.5mA supply current; SO-8 package only. | Higher drive capability but larger footprint and higher power; less optimal for portable or space-constrained video routing. | Choose LMH6702MA/NOPB when absolute max output current (>80mA) is critical and board area is not constrained. |
Compared with ADA4817-2ARMZ and LMH6702MA/NOPB, the LT1396CMS8#TRPBF uniquely balances 400MHz unity-gain bandwidth, ±80mA drive, 4.6mA quiescent current, and compact MSOP packaging - making it the optimal choice for dual-channel video and IF signal routing where size, power, and fidelity are jointly constrained.
Availability
LT1396CMS8#TRPBF is available at Aetrix Electronics and suitable for video loop-through, RGB signal buffering, and IF signal amplification requiring stable component supply across industrial, broadcast, and portable electronics programs.
Supply support for LT1396CMS8#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, Inc. (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving precision instrumentation, communications, and industrial markets.
The LT1396CMS8#TRPBF belongs to ADI's legacy Linear Technology high-speed amplifier product line, engineered specifically for demanding video, imaging, and IF signal-path applications where bandwidth, drive strength, and video fidelity are co-critical.
FAQ
What is the maximum capacitive load the LT1396CMS8#TRPBF can drive stably?
The LT1396CMS8#TRPBF 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 5Ω–35Ω series output resistor is recommended to isolate the load. This behavior is verified in Figure G13 of the official datasheet and applies directly to the LT1396CMS8#TRPBF in MSOP package under ±5V operation.
Does the LT1396CMS8#TRPBF support single-supply operation?
Yes, the LT1396CMS8#TRPBF operates from a single 4V to 12V supply (e.g., +5V and GND), with input common-mode range extending to within 1.5V of either rail. At +5V/GND, the input range is 0V to 3.5V and output swing reaches 0.8V to 4.2V into high-Z loads - confirmed in Electrical Characteristics Table (VINL/VINH and VOUTL/VOUTH rows) for the LT1396CMS8#TRPBF.
What is the thermal resistance (θJA) of the LT1396CMS8#TRPBF in its MSOP package?
The LT1396CMS8#TRPBF has a junction-to-ambient thermal resistance (θJA) of 250°C/W in the 8-lead MSOP package, as specified in Note 6 of the datasheet. This value assumes standard JEDEC high-K test board conditions; actual θJA improves significantly with PCB copper pour connected to the exposed V– pad.
Can the LT1396CMS8#TRPBF be used in a gain-of-–1 inverting configuration?
Yes, the LT1396CMS8#TRPBF supports stable inverting configurations with gain of –1 using matched 280Ω feedback and gain resistors (RF = RG = 280Ω), delivering 350MHz bandwidth and 100MHz 0.1dB flatness - values explicitly listed in the Typical Performance Characteristics table for AV = –1, confirming direct applicability to the LT1396CMS8#TRPBF.
Is the LT1396CMS8#TRPBF pin-compatible with other LT139x family members in MSOP?
No - the LT1396CMS8#TRPBF shares the same 8-pin MSOP pinout as LT1396CS8 but differs from LT1395 and LT1397 variants. The LT1395CS8 uses NC pins in positions 1 and 5, while LT1397 variants require 14+ pins. Pin compatibility is strictly limited to LT1396-series dual amplifiers in MSOP (e.g., LT1396CMS8#TRPBF and LT1396CS8#TRPBF), as documented in the Pin Configuration section.
LT1396CMS8#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- LT®
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Current Feedback
- Number of Circuits:
- 2
- 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 (x2 Channels)
- 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:
- 8-MSOP
LT1396CMS8#TRPBF FAQ
1.How can I place an order for LT1396CMS8#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1396CMS8#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 LT1396CMS8#TRPBF reliable?
The price and inventory of LT1396CMS8#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1396CMS8#TRPBF is usually 5 days.
3.What payment methods are accepted for LT1396CMS8#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1396CMS8#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1396CMS8#TRPBF?
LT1396CMS8#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1396CMS8#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 LT1396CMS8#TRPBF?
For technical support, including LT1396CMS8#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1396CMS8#TRPBF requirements.
6.How does Aetrix verify that LT1396CMS8#TRPBF is sourced from the original manufacturer or authorized distributors?
All LT1396CMS8#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 LT1396CMS8#TRPBF meets industry standards.
7.What is the process for return or replacement of LT1396CMS8#TRPBF?
All LT1396CMS8#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1396CMS8#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 LT1396CMS8#TRPBF part is unused and in its original packaging.
Return procedure for LT1396CMS8#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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