My Inquiry
My Account
Analog Devices Inc. LT1711IMS8#PBF
- Part No.:
- LT1711IMS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Comparators
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LT1711IMS8#PBF.pdf
- Description:
- IC COMPARATOR 1 W/LATCH 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,617
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
LT1711IMS8#PBF from Analog Devices (formerly Linear Technology) is a single ultrafast rail-to-rail input/output comparator with internal TTL/CMOS-compatible latch, optimized for 2.4V–12V single or ±2.4V–±6V dual supplies. It delivers 4.5ns propagation delay at 20mV overdrive, rail-to-rail complementary outputs capable of sinking 10mA to within 0.5V of GND and sourcing 10mA to within 0.7V of V+, and operates across –40°C to +85°C industrial temperature range.
For engineers reviewing the LT1711IMS8#PBF datasheet, LT1711IMS8#PBF pinout, LT1711IMS8#PBF application, or LT1711IMS8#PBF equivalent, key selection considerations include latch timing parameters (tSU = 1ns, tLPD = 5ns), input common-mode range extending 100mV beyond both rails, differential propagation delay ≤1.5ns, output jitter of 11psRMS at 30MHz, and MSOP-8 package compatibility with high-density PCB layouts.
Technical Context
The LT1711IMS8#PBF employs a high-speed bipolar front-end with matched NPN/PNP input pairs enabling rail-to-rail operation and low input offset voltage drift (10µV/°C). Its latch circuit features built-in 100mV hysteresis on the LATCH ENABLE pin to reject noise, with setup time of 1ns and hold time of 0ns - enabling reliable data capture in high-frequency sampling systems.
Propagation delay is specified under controlled overdrive conditions (20mV/5mV), load capacitance (10pF), and supply configurations (2.7V/5V/±5V); differential delay (≤1.5ns) and sub-2ns rise/fall times (tr/tf = 2ns) support precise timing discrimination in pulse-width modulation and A/D converter clocking applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Propagation Delay | 4.5ns at 20mV overdrive - enables sub-5ns decision timing in high-speed test equipment and sampling circuits |
| Input Common-Mode Range | –0.1V to V+ + 0.1V - supports inputs exceeding supply rails by 100mV without phase reversal |
| Output Drive Capability | Sinks 10mA to 0.5V above GND; sources 10mA to 0.7V below V+ - directly interfaces with TTL/CMOS logic without level-shifting |
| Latch Timing | tSU = 1ns, tLPD = 5ns - allows tight synchronization with fast digital control signals |
| Supply Voltage Range | Single: 2.4V–12V; Dual: ±2.4V–±6V - supports legacy 5V, modern 3V, and precision ±5V systems |
| Output Timing Jitter | 11psRMS at 30MHz - critical for low-jitter clock recovery and high-fidelity signal discrimination |
| Operating Temperature | –40°C to +85°C - qualified for industrial embedded and automotive-adjacent timing applications |
Pinout & Package
LT1711IMS8#PBF is housed in an 8-lead plastic MSOP package (3mm × 3mm, 0.65mm pitch), optimized for thermal performance (θJA = 250°C/W) and high-density routing. Pin 1 is V+, Pin 2 is +IN, Pin 3 is –IN, Pin 4 is V–, Pin 5 is LATCH ENABLE, Pin 6 is GND, Pin 7 is Q (noninverting output), and Pin 8 is Q̅ (inverting output).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| V+ (Pin 1) | Positive supply input | Accepts 2.4V–12V single or positive rail of dual supply; requires local 1000pF + 0.1µF bypassing |
| +IN (Pin 2) | Noninverting input | Rail-to-rail capable; supports common-mode voltages down to –0.1V and up to V+ + 0.1V |
| –IN (Pin 3) | Inverting input | Matched to +IN; differential input voltage rated to ±12.6V absolute maximum |
| V– (Pin 4) | Negative supply input | Accepts 0V (single-supply) or –7V to 0V (dual-supply); must not exceed V+ by >12V |
| LATCH ENABLE (Pin 5) | Digital latch control | Logic-high enables output latching; 100mV hysteresis prevents false triggering on slow/noisy edges |
| GND (Pin 6) | Ground reference | Return path for output currents and internal bias; must be tied to low-impedance ground plane |
| Q (Pin 7) | Noninverting output | Active-high rail-to-rail CMOS/TTL-compatible output; sinks 10mA, sources 10mA |
| Q̅ (Pin 8) | Inverting output | Complementary to Q; enables differential signaling or logic-level inversion without external gates |
Key Features
| Feature | Design Value |
|---|---|
| Ultrafast 4.5ns propagation delay | Enables real-time decision making in automatic test equipment operating above 100MHz toggle frequency |
| Rail-to-rail complementary outputs | Eliminates need for external level shifters when driving 3.3V/5V logic families directly |
| Input overvoltage tolerance | Withstands inputs 100mV beyond supply rails without phase reversal - critical in sensor interface and fault-tolerant designs |
| Integrated latch with hysteresis | Reduces external component count in sampled-data systems while rejecting noise on latch control lines |
| Wide supply flexibility | Operates identically across 2.7V, 5V, and ±5V configurations - simplifies design reuse across power domains |
Applications
| High-Speed Sampling Circuits | Crystal Oscillator Circuits |
|---|---|
Use Scenario: Capturing transient events in oscilloscopes or digitizers with sub-5ns resolution. IC Role / Device Role / Timing Role: Comparator acts as high-speed threshold detector feeding sample-and-hold or ADC trigger logic. Use Value: 4.5ns propagation delay and 11psRMS jitter ensure accurate timing alignment between analog event and digital capture clock. | Use Scenario: Building voltage-tunable crystal oscillators (VCXO) for NTSC subcarrier generation. IC Role / Device Role / Timing Role: LT1711IMS8#PBF configured as series-resonant oscillator with varactor tuning diode. Use Value: Rail-to-rail inputs enable full 0–5V tuning range; latch function stabilizes startup and suppresses spurious oscillations. |
| Pulse Width Modulators | Current Sense for Switching Regulators |
Use Scenario: Generating precise PWM waveforms in motor drives or LED dimming controllers. IC Role / Device Role / Timing Role: Compares ramp waveform against control voltage to generate duty-cycle-modulated output. Use Value: Differential propagation delay ≤1.5ns minimizes duty-cycle error across wide frequency ranges (up to 100MHz). | Use Scenario: Monitoring high-side or low-side current shunt voltage in DC-DC converters. IC Role / Device Role / Timing Role: Fast comparator detects overcurrent condition and triggers shutdown within nanoseconds. Use Value: Input common-mode range extending 100mV beyond rails allows direct sensing at switch node without attenuation networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT1719IS6#TRMPBF | Single-supply only (2.7V–6V); no negative supply support; 4.5ns delay; rail-to-rail outputs with level-shifting capability | Better suited for battery-powered 3.3V systems; lacks dual-supply flexibility and latch function | Select when system uses only positive supply and requires integrated level shifting for mixed-voltage logic interfacing |
| LMH7322MA/NOPB | 4.5ns delay; dual-channel; no internal latch; higher supply current (24mA per channel); wider common-mode range (–0.2V to V+ + 0.2V) | Preferred for dual-comparator needs where latch is implemented externally; higher power consumption | Select when two independent high-speed comparators are required and latch functionality can be added via FPGA or discrete logic |
Compared with LT1711IMS8#PBF, LT1719IS6#TRMPBF trades dual-supply operation and latch integration for lower quiescent current and level-shifting outputs, while LMH7322MA/NOPB provides dual-channel density at the cost of increased power and loss of on-chip latching - making LT1711IMS8#PBF optimal for space-constrained, latch-dependent single-channel industrial timing applications.
Availability
LT1711IMS8#PBF is available at Aetrix Electronics and suitable for high-speed automatic test equipment, crystal oscillator circuits, and current-sense protection systems requiring stable component supply and guaranteed industrial-temperature performance.
Supply support for LT1711IMS8#PBF 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 long-term manufacturing commitment for legacy Linear parts including the LT1711IMS8#PBF.
The LT1711IMS8#PBF belongs to Linear's UltraFast™ comparator family, designed specifically for applications demanding sub-5ns decision latency, rail-to-rail signal handling, and robust latch-controlled data retention in test, measurement, and power conversion systems.
FAQ
What is the maximum operating supply voltage for LT1711IMS8#PBF?
The LT1711IMS8#PBF supports a maximum total supply voltage of 12.6V across V+ and V– pins. In single-supply mode, V+ may range from 2.4V to 12.6V relative to V– (typically GND). In dual-supply mode, V+ to V– must not exceed 12.6V, with V– ranging from –7V to 0V and V+ from 2.4V to 7V. Exceeding these limits risks permanent damage per Absolute Maximum Ratings.
Does LT1711IMS8#PBF require external hysteresis for stable operation?
No, the LT1711IMS8#PBF does not require external hysteresis for basic comparator operation due to its internal architecture, but hysteresis is recommended in noisy environments. The device supports flexible external hysteresis via feedback resistors from Q or Q̅ to +IN or –IN, enabled by rail-to-rail inputs and complementary outputs - unlike many comparators, it imposes no common-mode restrictions on such feedback paths.
Can LT1711IMS8#PBF operate from a 3.3V single supply?
Yes, the LT1711IMS8#PBF is fully specified and characterized at 2.7V, 5V, and ±5V supplies - including all key parameters (propagation delay, input offset, output swing) across the –40°C to +85°C range. At 3.3V, it maintains 4.5ns typical propagation delay, rail-to-rail input range (–0.1V to 3.4V), and output drive capability sufficient for direct connection to 3.3V CMOS logic.
What is the purpose of the LATCH ENABLE pin on LT1711IMS8#PBF?
The LATCH ENABLE pin (Pin 5) controls the internal TTL/CMOS-compatible latch: when held high, the comparator output state is frozen and retained regardless of subsequent input changes. This enables synchronous sampling in high-speed systems. The pin includes 100mV hysteresis to prevent chatter from slow-rising or noisy control signals, and requires only 1ns setup time before latch assertion - a key feature distinguishing LT1711IMS8#PBF from latchless comparators.
Is LT1711IMS8#PBF pin-compatible with other comparators in the LT171x family?
No, LT1711IMS8#PBF is not pin-compatible with LT1712 (16-pin SSOP) or LT1713/LT1714 (8-pin SOIC variants). While functional and electrical characteristics align closely across the LT171x family, the LT1711IMS8#PBF uses an 8-pin MSOP package with unique pinout: V+, +IN, –IN, V–, LATCH ENABLE, GND, Q, Q̅ - differing from SOIC versions that relocate GND and rearrange output pins.
LT1711IMS8#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Series:
- UltraFast™
- Packaging:
- Tube
- Product Status:
- Active
- Type:
- with Latch
- Number of Elements:
- 1
- Output Type:
- CMOS, Complementary, Rail-to-Rail, TTL
- Voltage - Supply, Single/Dual (±):
- 2.4V ~ 12V, ±2.4V ~ 6V
- :
- 5mV @ 5V
- Voltage - Input Offset (Max):
- 5µA @ 5V
- Current - Input Bias (Max):
- 20mA
- Current - Output (Typ):
- 22mA
- Current - Quiescent (Max):
- 75dB CMRR, 85dB PSRR
- CMRR, PSRR (Typ):
- 6ns
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 85°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 8-MSOP
LT1711IMS8#PBF FAQ
1.How can I place an order for LT1711IMS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1711IMS8#PBF 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 LT1711IMS8#PBF reliable?
The price and inventory of LT1711IMS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1711IMS8#PBF is usually 5 days.
3.What payment methods are accepted for LT1711IMS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1711IMS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1711IMS8#PBF?
LT1711IMS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1711IMS8#PBF 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 LT1711IMS8#PBF?
For technical support, including LT1711IMS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1711IMS8#PBF requirements.
6.How does Aetrix verify that LT1711IMS8#PBF is sourced from the original manufacturer or authorized distributors?
All LT1711IMS8#PBF 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 LT1711IMS8#PBF meets industry standards.
7.What is the process for return or replacement of LT1711IMS8#PBF?
All LT1711IMS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1711IMS8#PBF, 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 LT1711IMS8#PBF part is unused and in its original packaging.
Return procedure for LT1711IMS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
LT1711IMS8#PBF Tags
-
LM2903DR
Texas Instruments
-
LM339DR
Texas Instruments
-
LM339PWR
Texas Instruments
-
LM393DT
STMicroelectronics
-
LM2901PWR
Texas Instruments
-
LM2903DT
STMicroelectronics
-
LM393DR
Texas Instruments
-
LM239DR
Texas Instruments
-
LM339APWR
Texas Instruments
-
LM2903P
Texas Instruments
-
LM393ADR
Texas Instruments
-
NCX2200GMAZ
NXP Semiconductors
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
