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Analog Devices Inc. LTC6417IUDC#TRPBF
- Part No.:
- LTC6417IUDC#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 20-WFQFN Exposed Pad
- Datasheet:
-
LTC6417IUDC#TRPBF.pdf
- Description:
- IC BUFFER 1 CIRCUIT 20QFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,720
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Product details
Overview
LTC6417IUDC#TRPBF from Analog Devices (acquired Linear Technology) is a high-speed differential unity-gain buffer IC designed for driving 14- and 16-bit pipeline ADCs. It delivers 1.6GHz –3dB bandwidth, –69dBc HD3 at 140MHz, 46dBm OIP3, and 1.5nV/√Hz output noise while driving a 50Ω load - enabling high-fidelity signal conditioning in RF receiver front-ends and high-speed data acquisition systems.
For engineers reviewing the LTC6417IUDC#TRPBF datasheet, LTC6417IUDC#TRPBF pinout, LTC6417IUDC#TRPBF application, or LTC6417IUDC#TRPBF equivalent, key selection criteria include differential input impedance (18.5kΩ), programmable clamping (CLHI/VOR), power-adjustable supply current (74–123mA), and guaranteed operation across –40°C to 105°C.
Technical Context
The LTC6417IUDC#TRPBF implements a fully differential, DC-coupled amplifier architecture with internally biased inputs and VCM-controlled common-mode output voltage. Its flow-through pinout minimizes parasitic coupling, and its fast-recovery output clamping (5ns engage, 1ns release) protects downstream ADC inputs during overrange events.
It features dual independent control interfaces: PWRADJ adjusts quiescent current from 74mA to 123mA without gain or bandwidth degradation, while SHDN enables sub-25mA shutdown. The VOR pin provides real-time overrange indication, and CLHI sets the upper clamp threshold with symmetric internal lower clamping.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| –3dB Bandwidth | 1.6GHz - supports wideband IF sampling up to 600MHz input signals with minimal amplitude roll-off |
| Differential Output Swing | 4.28VP-P on 50Ω - delivers full-scale drive capability for 16-bit ADCs without external gain stages |
| Output Noise Density | 1.5nV/√Hz - preserves SNR in high-resolution digitization chains where thermal noise dominates |
| OIP3 @ 140MHz | 46dBm - enables high dynamic range reception in LTE/WiMAX baseband and radar IF stages |
| Supply Current Range | 74mA to 123mA - allows trade-off between power consumption and linearity via PWRADJ pin |
| Operating Temp Range | –40°C to 105°C - qualified for industrial and automotive under-hood signal chain applications |
| Input Impedance | 18.5kΩ differential - compatible with 1:4/1:8 transformers for system-level gain in 50Ω architectures |
Pinout & Package
The LTC6417IUDC#TRPBF is housed in a 20-lead 3mm × 4mm plastic QFN package with exposed thermal pad (Pin 21 = GND). Pin layout follows flow-through routing optimized for direct placement adjacent to Linear Technology's high-speed ADCs (e.g., LTC2209).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| IN+, IN– | Differential Input | High-impedance (18.5kΩ diff) inputs with internal bias; accept DC-coupled or transformer-coupled signals |
| OUT+, OUT– | Differential Output | Low-impedance outputs capable of driving 50Ω loads directly; support ±2.14VP-P swing |
| VCM | Common-Mode Control | Sets output common-mode voltage (0.65V–2.4V range); default 1.25V when floating |
| CLHI | Clamp High Threshold | Analog input setting maximum output swing; internal circuitry generates symmetric low-side clamp |
| VOR | Overrange Indicator | Open-drain output asserts when clamps are active; 200MHz bandwidth supports fast fault detection |
| PWRADJ | Power Adjustment | Analog input reducing supply current from 123mA to 74mA; no impact on gain or bandwidth |
| SHDN | Shutdown Enable | Active-low digital input; reduces current to 24mA and disables outputs within 15ns |
| V+ | Positive Supply | Single 4.75V–5.25V rail; PSRR >65dB ensures immunity to supply noise |
| GND | Ground | Multiple ground pins (Pins 1,6,11,16,17,20) and exposed pad ensure low-inductance return path |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Output Clamping | Adjustable high-swing limit (CLHI) with automatic symmetric low-swing clamp prevents ADC saturation and enables fast recovery (<2ns overdrive recovery) |
| DC-Coupled Signal Path | No external AC-coupling capacitors required; supports baseband and zero-IF architectures with precise common-mode control via VCM pin |
| Thermal & Layout Optimized Package | 3mm × 4mm QFN with exposed GND pad (Pin 21) enables <6.8°C/W θJC for stable high-power operation at 615mW |
| Wideband Linearity Preservation | HD3 ≤ –69dBc and IM3 ≤ –80dBc at 140MHz into 50Ω - maintains SFDR >86dBc for 16-bit ADCs |
| Configurable Power Modes | Three operating states: full performance (123mA), reduced power (74mA), and shutdown (24mA) - supports dynamic power scaling in battery-aware systems |
Applications
| Direct RF Sampling Front-End | High-Speed Data Acquisition System |
|---|---|
Use Scenario: Digitizing 140MHz IF signals from an LNA/Mixer chain in a software-defined radio receiver. IC Role / Device Role / Timing Role: Differential ADC driver providing unity gain, low-noise buffering, and fast clamping to protect LTC2209 input. Use Value: 1.6GHz bandwidth and –69dBc HD3 preserve ENOB >14.2 bits; VOR pin enables real-time overrange flagging for AGC loop correction. | Use Scenario: Driving a 16-bit pipeline ADC in automated test equipment capturing transient waveforms up to 200MHz. IC Role / Device Role / Timing Role: Precision buffer isolating signal source from ADC input capacitance while maintaining phase matching. Use Value: 1.5nV/√Hz noise and 0.8ns 1% settling time ensure accurate capture of fast edges and low-level harmonics. |
| CCD Imaging Signal Chain | 50Ω Baseband Distribution |
Use Scenario: Conditioning analog video output from a high-resolution CCD sensor before digitization. IC Role / Device Role / Timing Role: DC-coupled differential driver converting single-ended CCD output to balanced signal for noise rejection. Use Value: 18.5kΩ differential input impedance allows use of 1:4 balun for gain; VCM pin sets optimal ADC input common-mode level. | Use Scenario: Distributing a clean, low-distortion clock or reference signal across a PCB using 50Ω transmission lines. IC Role / Device Role / Timing Role: Low-jitter, high-linearity buffer maintaining signal integrity in impedance-matched traces. Use Value: –100dBc HD2/HD3 at 10MHz and 4.28VP-P swing ensure minimal harmonic contamination in timing-sensitive paths. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar differential ADC driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMH5401RTVT | Higher 18GHz GBW but fixed 10.5V/V gain; no VCM or clamping; 3.3V supply only | Requires external attenuation for unity-gain ADC drive; unsuitable for DC-coupled or overrange-protected designs | Select when gain >1 and ultra-wideband small-signal response are prioritized over flexibility and protection |
| THS4561IRGET | Lower 1.8GHz bandwidth; 2.1nV/√Hz noise; no programmable clamping; 2.7–5.4V supply | Acceptable for cost-sensitive 14-bit systems below 100MHz; lacks VOR fault signaling and fast clamp recovery | Select when budget constraints outweigh need for 16-bit linearity, overrange protection, or thermal robustness |
Compared with LMH5401RTVT and THS4561IRGET, the LTC6417IUDC#TRPBF uniquely combines unity-gain stability, integrated clamping with VOR feedback, VCM control, and guaranteed –40°C to 105°C operation - making it the only choice for ruggedized, high-dynamic-range ADC interface designs requiring configurability and fault resilience.
Availability
LTC6417IUDC#TRPBF is available at Aetrix Electronics and suitable for high-speed data acquisition, RF receiver front-ends, and precision imaging systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC6417IUDC#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, formed through the acquisition of Linear Technology in 2017.
The LTC6417IUDC#TRPBF belongs to ADI's high-speed amplifier product line, engineered specifically for low-noise, high-linearity differential signal conditioning in demanding communications, instrumentation, and defense applications.
FAQ
What is the operating temperature range for the LTC6417IUDC#TRPBF?
The LTC6417IUDC#TRPBF is specified for continuous operation from –40°C to 105°C case temperature (TC), meeting industrial and extended-temperature requirements. This rating is guaranteed per Linear Technology Note 3 and applies across all electrical specifications in the datasheet, including linearity, noise, and clamping performance.
Does the LTC6417IUDC#TRPBF require external components for basic operation?
No, the LTC6417IUDC#TRPBF operates as a fully functional differential buffer with no external gain-setting or biasing components required. Only decoupling capacitors (e.g., 0.1µF and 2.2µF on V+) and proper grounding of the exposed pad (Pin 21) are needed for stable operation - enabling rapid integration into space-constrained layouts.
How does the PWRADJ pin affect performance of the LTC6417IUDC#TRPBF?
The PWRADJ pin linearly scales supply current from 123mA down to 74mA without altering gain, bandwidth, or distortion performance. At 74mA, the LTC6417IUDC#TRPBF maintains full 1.6GHz –3dB bandwidth and –69dBc HD3 at 140MHz, reducing power dissipation from 615mW to 370mW while preserving signal fidelity for thermally constrained designs.
Can the LTC6417IUDC#TRPBF drive a 50Ω load differentially without termination resistors?
Yes - the LTC6417IUDC#TRPBF is explicitly characterized driving a 50Ω differential load (25Ω per side) and delivers 4.28VP-P swing under that condition. Its output stage is designed for direct 50Ω interface, eliminating need for external series or parallel termination resistors in matched-impedance signal chains.
What is the function of the VOR pin on the LTC6417IUDC#TRPBF?
The VOR (Overrange) pin on the LTC6417IUDC#TRPBF is an open-drain indicator that asserts low when either output clamp is active. With 200MHz bandwidth and 40V/µs slew rate, it provides real-time, high-speed fault signaling to enable immediate system-level response - such as AGC adjustment or data invalidation - without relying on slower digital monitoring.
LTC6417IUDC#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 20-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Last Time Buy
- Amplifier Type:
- Buffer
- Number of Circuits:
- 1
- Output Type:
- Differential
- Slew Rate:
- 10000V/µs
- Gain Bandwidth Product:
- -
- -3db Bandwidth:
- 1.6 GHz
- Current - Input Bias:
- 2 µA
- Voltage - Input Offset:
- 100 µV
- Current - Supply:
- 123mA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 4.75 V
- Voltage - Supply Span (Max):
- 5.25 V
- Operating Temperature:
- -40°C ~ 105°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-QFN (3x4)
LTC6417IUDC#TRPBF FAQ
1.How can I place an order for LTC6417IUDC#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6417IUDC#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 LTC6417IUDC#TRPBF reliable?
The price and inventory of LTC6417IUDC#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6417IUDC#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC6417IUDC#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6417IUDC#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6417IUDC#TRPBF?
LTC6417IUDC#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6417IUDC#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 LTC6417IUDC#TRPBF?
For technical support, including LTC6417IUDC#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6417IUDC#TRPBF requirements.
6.How does Aetrix verify that LTC6417IUDC#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC6417IUDC#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 LTC6417IUDC#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC6417IUDC#TRPBF?
All LTC6417IUDC#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6417IUDC#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 LTC6417IUDC#TRPBF part is unused and in its original packaging.
Return procedure for LTC6417IUDC#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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