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Analog Devices Inc. LTC6754HSC6#TRPBF
- Part No.:
- LTC6754HSC6#TRPBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Comparators
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
LTC6754HSC6#TRPBF.pdf
- Description:
- IC COMPARATOR 1 GEN PUR SC70-6
- Quantity:
- Payment:
- Shipping:
Inventory:4,397
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Product details
Overview
LTC6754HSC6#TRPBF from Analog Devices (formerly Linear Technology) is a high-speed rail-to-rail input comparator with LVDS-compatible differential outputs, designed for timing-critical signal conditioning in high-frequency data paths. It delivers 1.8ns typical propagation delay, 1ns overdrive dispersion (10mV–125mV), and 890Mbps toggle rate at 5V supply, enabling use in clock/data recovery, time-of-flight measurement, and high-speed line receiver circuits.
For engineers reviewing the LTC6754HSC6#TRPBF datasheet, LTC6754HSC6#TRPBF pinout, LTC6754HSC6#TRPBF application, or LTC6754HSC6#TRPBF equivalent, key selection considerations include its SC70-6 package, –40°C to +125°C operating range, separate input/output supply capability (VCCI/VCCO), shutdown wake-up time of 120ns, and adjustable hysteresis via LE/HYST pin - all critical for low-jitter, thermally robust high-speed comparator deployment.
Technical Context
The LTC6754HSC6#TRPBF employs a dual-input-stage architecture (PNP/NPN) enabling rail-to-rail input operation beyond both supply rails (VEE – 0.2V to VCCI + 0.1V), with CMRR > 58dB across low and extreme common-mode ranges. Its output stage uses current-mode LVDS drivers with internal common-mode feedback, delivering stable 1.26V VOCM and 362mV VOD into 100Ω loads.
It integrates a latchable hysteresis control interface (LE/HYST pin), allowing hysteresis adjustment from 0mV to 40mV or full disablement, and supports independent power domains: VCCI (2.4V–5.25V) for input stage and shared VCCI/VCCO in SC70 configuration. Shutdown mode reduces total supply current to 1.48mA max while enabling 120ns wake-up.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Propagation Delay | 1.8ns typ. (50mV overdrive); enables sub-ns timing alignment in high-speed sampling and clock recovery loops. |
| Overdrive Dispersion | 1ns typ. (10mV–125mV); ensures consistent timing across varying signal amplitudes, critical for jitter-sensitive applications. |
| Toggle Rate | 890Mbps typ. (200mVP–P sine, 5V supply); supports serial data rates up to OC-192/STM-64 interfaces. |
| Differential Output Voltage | 362mV typ. (VOD); meets LVDS standard swing for reliable 100Ω termination and noise margin. |
| Input Offset Voltage | ±0.75mV max (25°C); ensures precise threshold detection in precision window and level translation circuits. |
| Supply Current (Active) | 13.4mA typ. (5V); balances speed and power for portable or thermally constrained high-speed systems. |
| RMS Jitter | 1.5ps (245.76MHz, 10Hz–122.88MHz BW); guarantees low-phase-noise performance in clock regeneration. |
Pinout & Package
The LTC6754HSC6#TRPBF is housed in a 6-lead plastic SC70 package (3.0mm × 1.7mm × 0.9mm), with VCCI and VCCO internally tied - simplifying layout versus QFN variants while retaining rail-to-rail input and LVDS output functionality.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Q (Positive Output) | Differential LVDS output sourcing/sinking 3.6mA; swings VOCM ± VOD/2 relative to 100Ω load. |
| 2 | VEE (Negative Supply) | Common ground reference for input and output stages; must be connected for proper biasing and CMFB operation. |
| 3 | +IN (Positive Input) | Rail-to-rail comparator input; accepts VEE – 0.2V to VCCI + 0.1V; supports wide common-mode signal capture. |
| 4 | –IN (Negative Input) | Differential input paired with +IN; identical voltage range and bias behavior; enables true differential sensing. |
| 5 | VCCI/VCCO (Supply) | Combined input/output positive supply pin (SC70 only); 2.4V–5.25V operation; eliminates need for separate VCCO routing. |
| 6 | Q (Negative Output) | Complementary LVDS output; provides differential signaling integrity and common-mode noise rejection. |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input range | Operates from VEE – 0.2V to VCCI + 0.1V, enabling direct interfacing with diverse analog sources without level-shifting. |
| LVDS-compatible outputs | Delivers 362mV differential swing and 1.26V common-mode voltage into 100Ω, ensuring interoperability with standard LVDS receivers. |
| Adjustable hysteresis | Hysteresis set from 0mV to 40mV via external resistor on LE/HYST pin (floating = 4.5mV), suppressing noise-induced oscillation. |
| Fast shutdown/wake-up | Reduces current to 1.48mA max in shutdown and resumes valid output within 120ns, supporting burst-mode power management. |
| Low overdrive dispersion | 1ns variation across 10mV–125mV overdrive ensures deterministic timing regardless of input amplitude - essential for pulse-width integrity. |
Applications
| High-Speed Data Acquisition | Clock and Data Recovery (CDR) |
|---|---|
Use Scenario: Sampling fast transient signals in oscilloscopes or digitizers with minimal timing uncertainty. IC Role / Device Role / Timing Role: High-speed comparator capturing analog thresholds with sub-2ns propagation delay and <1ns dispersion. Use Value: Enables accurate time-of-flight and edge-position measurement with <2ps skew between Q/Q outputs. |
Use Scenario: Extracting clean clock signals from noisy serial data streams in fiber-optic receivers. IC Role / Device Role / Timing Role: LVDS-output comparator acting as phase detector input stage in CDR feedback loops. Use Value: 1.5ps RMS jitter at 245.76MHz and 890Mbps toggle rate support OC-192/STM-64 compliant timing recovery. |
| Time Domain Reflectometry (TDR) | High-Speed Line Receivers |
Use Scenario: Detecting impedance discontinuities in PCB traces or cables using ultra-fast step response analysis. IC Role / Device Role / Timing Role: Precision comparator generating timing reference for TDR pulse generation and echo capture. Use Value: 1.8ns propagation delay and 200ps common-mode dispersion ensure sub-mm spatial resolution in cable fault location. |
Use Scenario: Receiving differential high-speed signals (e.g., SATA, PCIe Gen1) with strong common-mode noise immunity. IC Role / Device Role / Timing Role: LVDS translator converting small-swing differential inputs to robust logic-level outputs. Use Value: >58dB CMRR and rail-to-rail input allow reliable reception even with large common-mode offsets (±1V). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADCMP606BCPZ-R2 | CMOS output (not LVDS); 1.5ns delay; no adjustable hysteresis; 3.3V-only supply. | Requires external LVDS driver; lacks hysteresis tuning and dual-supply flexibility. | Choose when LVDS output is unnecessary and lower quiescent current (5.5mA) is prioritized over output compatibility. |
| TLV3501AIDBVR | Push-pull CMOS output; 4.5ns delay; 2.7–5.5V supply; no shutdown or hysteresis control. | Suitable for general-purpose high-speed comparison but not for jitter-critical LVDS interfacing. | Choose for cost-sensitive, non-LVDS applications where 4.5ns delay is acceptable and thermal grade (–40°C to 125°C) matches. |
Compared with ADCMP606BCPZ-R2 and TLV3501AIDBVR, the LTC6754HSC6#TRPBF uniquely combines LVDS output compliance, sub-2ns delay, adjustable hysteresis, and industrial temperature rating - making it the only option qualified for timing-critical, noise-immune, drop-in LVDS receiver replacement in telecom and test equipment.
Availability
LTC6754HSC6#TRPBF is available at Aetrix Electronics and suitable for clock and data recovery, time-of-flight measurement, and high-speed line receiver applications requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for LTC6754HSC6#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. (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies.
The LTC6754 belongs to Linear's precision high-speed comparator family, engineered specifically for applications demanding ultra-low propagation delay, minimal jitter, and robust LVDS interfacing in telecom infrastructure, test instrumentation, and high-end data acquisition systems.
FAQ
What is the operating temperature range for the LTC6754HSC6#TRPBF?
The LTC6754HSC6#TRPBF is rated for operation from –40°C to +125°C, meeting industrial and extended-temperature requirements. This H-grade specification is confirmed in the "Order Information" table and "Specified Temperature Range" section of the datasheet, distinguishing it from the I-grade (–40°C to +85°C) variants like LTC6754ISC6#TRPBF.
Does the LTC6754HSC6#TRPBF support separate input and output supplies?
No - the LTC6754HSC6#TRPBF uses the SC70-6 package, where VCCI and VCCO are internally tied to a single supply pin (Pin 5). Separate supply operation is exclusive to the 12-lead QFN (UD) package variants (e.g., LTC6754HUD#TRPBF), which provide dedicated VCCI and VCCO pins for enhanced noise isolation.
What is the function of the LE/HYST pin on the LTC6754HSC6#TRPBF?
The LTC6754HSC6#TRPBF does not include a LE/HYST pin - that feature is present only on the 12-lead QFN (UD) package versions. The SC70-6 variant (LTC6754HSC6#TRPBF) has fixed 4.5mV hysteresis and no latching capability. Pin count and functionality are strictly package-dependent per the "Pin Configuration" and "Order Information" tables.
What LVDS load conditions are specified for the LTC6754HSC6#TRPBF?
The LTC6754HSC6#TRPBF is characterized driving a 100Ω differential load between Q and Q pins, delivering 362mV typical differential output voltage (VOD) and 1.26V common-mode voltage (VOCM) at 5V supply. These values meet ANSI/TIA/EIA-644-A LVDS specifications and are validated across temperature and supply voltage per Electrical Characteristics tables.
How does shutdown mode affect the outputs of the LTC6754HSC6#TRPBF?
In shutdown mode (SHDN pin pulled low), the LTC6754HSC6#TRPBF places both Q and Q outputs in high-impedance state within 110ns, as specified in the Shutdown Characteristics table. This prevents bus contention and allows multiple comparators to share a common LVDS bus - a key requirement in scalable timing distribution architectures.
LTC6754HSC6#TRPBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 1
- Output Type:
- LVDS
- Voltage - Supply, Single/Dual (±):
- 2.4V ~ 5.25V
- :
- 4mV @ 5V
- Voltage - Input Offset (Max):
- 1.5µA
- Current - Input Bias (Max):
- 11mA
- Current - Output (Typ):
- 14.7mA
- Current - Quiescent (Max):
- 77dB CMRR, 80dB PSRR
- CMRR, PSRR (Typ):
- 2.8ns
- Propagation Delay (Max):
- 4.5mV
- Hysteresis:
- -40°C ~ 125°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- SC-70-6
LTC6754HSC6#TRPBF FAQ
1.How can I place an order for LTC6754HSC6#TRPBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC6754HSC6#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 LTC6754HSC6#TRPBF reliable?
The price and inventory of LTC6754HSC6#TRPBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC6754HSC6#TRPBF is usually 5 days.
3.What payment methods are accepted for LTC6754HSC6#TRPBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC6754HSC6#TRPBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC6754HSC6#TRPBF?
LTC6754HSC6#TRPBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC6754HSC6#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 LTC6754HSC6#TRPBF?
For technical support, including LTC6754HSC6#TRPBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC6754HSC6#TRPBF requirements.
6.How does Aetrix verify that LTC6754HSC6#TRPBF is sourced from the original manufacturer or authorized distributors?
All LTC6754HSC6#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 LTC6754HSC6#TRPBF meets industry standards.
7.What is the process for return or replacement of LTC6754HSC6#TRPBF?
All LTC6754HSC6#TRPBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC6754HSC6#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 LTC6754HSC6#TRPBF part is unused and in its original packaging.
Return procedure for LTC6754HSC6#TRPBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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