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Analog Devices Inc. LT1713IMS8#PBF
- Part No.:
- LT1713IMS8#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Comparators
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
LT1713IMS8#PBF.pdf
- Description:
- IC COMPARATOR 1 W/LATCH 8MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:7,612
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Product details
Overview
LT1713IMS8#PBF from Analog Devices (formerly Linear Technology) is a single, ultrafast 7ns 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 features 5mA supply current per comparator, ±20mA output drive, and operates across –40°C to 85°C. It is used in high-speed crystal oscillator circuits, pulse width modulators, and fast sampling systems where precise timing and latch retention are critical.
For engineers reviewing the LT1713IMS8#PBF datasheet, LT1713IMS8#PBF pinout, LT1713IMS8#PBF application, or LT1713IMS8#PBF equivalent, key selection considerations include propagation delay vs. overdrive (7ns at 20mV), rail-to-rail input common-mode range (–0.1V to V+ + 0.1V), latch enable hysteresis (≈100mV), complementary output swing (VOH = V+ – 0.5V @ 10mA), and MSOP-8 package thermal resistance (θJA = 250°C/W).
Technical Context
The LT1713IMS8#PBF employs a bipolar input stage enabling rail-to-rail common-mode operation beyond both supply rails by 100mV, with phase reversal protection up to ±12.6V differential input. Its matched complementary outputs directly interface to TTL/CMOS logic without level-shifting, sinking 10mA to within 0.5V of GND and sourcing 10mA to within 0.7V of V+.
Internal latching is edge-agnostic and held active while the LATCH ENABLE pin remains high; it includes built-in hysteresis (~100mV) to reject noise on slow-moving control signals. Propagation delay is specified with 10pF load and 1kΩ test load, and performance is guaranteed over full industrial temperature range (–40°C to 85°C) for the 'I' grade.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Propagation Delay | 7ns typical at 20mV overdrive - enables sub-10ns decision timing in high-speed sampling and A/D trigger paths. |
| Input Common-Mode Range | –0.1V to V+ + 0.1V - supports inputs beyond rails, critical for sensing in wide-dynamic-range signal chains. |
| Output Drive Capability | ±10mA at V+ = 5V - drives standard TTL/CMOS loads directly without external buffers. |
| Supply Voltage Range | 2.4V–12V single or ±2.4V–±6V dual - accommodates legacy 5V, low-voltage 2.7V/3.3V, and bipolar ±5V systems. |
| Input Offset Voltage | 0.5mV typical (max 4mV) - ensures accurate threshold detection in precision window comparators and V/F converters. |
| Latch Enable Hysteresis | ≈100mV - prevents false triggering from noisy or slowly ramping latch control signals. |
| Operating Temperature | –40°C to 85°C - qualified for industrial and automotive under-hood environments. |
Pinout & Package
LT1713IMS8#PBF is housed in an 8-lead plastic MSOP (MS8) package, 3.0mm × 3.0mm × 0.86mm, with exposed pad not connected internally. Thermal resistance θJA = 250°C/W enables stable operation at full rated load in compact PCB layouts.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 (V+) | Positive Supply Voltage | Accepts 2.4V–12V; powers internal circuitry and defines upper output swing limit. |
| 2 (+IN) | Noninverting Input | Rail-to-rail capable; accepts signals from –0.1V to V+ + 0.1V without phase reversal. |
| 3 (–IN) | Inverting Input | Matched to +IN; differential input voltage range up to ±12.6V supported. |
| 4 (V–) | Negative Supply Voltage | Accepts 0V (single-supply) or –7V to 0V (dual-supply); defines lower output swing limit. |
| 5 (LATCH ENABLE) | Digital Latch Control Input | Logic-high enables data hold; built-in ~100mV hysteresis rejects noise; floats low when unconnected. |
| 6 (GND) | Ground Reference | Return path for negative supply and output loads; must be low-impedance for jitter-sensitive applications. |
| 7 (Q) | Noninverting Output | Active-high rail-to-rail CMOS/TTL-compatible output; sinks 10mA to ≤0.5V above GND. |
| 8 (Q̅) | Inverting Output | Complementary to Q; enables differential signaling or logic-level inversion without external gates. |
Key Features
| Feature | Design Value |
|---|---|
| Ultrafast 7ns propagation delay | Enables >65MHz toggle frequency and sub-10ns timing resolution in high-speed triggers and A/D sampling clocks. |
| Rail-to-rail complementary outputs | Eliminates need for external level shifters or inverters when interfacing to 3.3V/5V logic families. |
| Internal latch with hysteresis | Reduces system-level logic count; hysteresis prevents metastability during noisy latch assertion. |
| Input overvoltage tolerance | Withstands inputs up to ±12.6V differential and extends 100mV beyond rails - simplifies front-end protection design. |
| Low 5mA supply current per comparator | Supports power-constrained portable and battery-backed instrumentation without sacrificing speed. |
Applications
| Crystal Oscillator Circuits | High-Speed Sampling Circuits |
|---|---|
|
Use Scenario: Voltage-tunable 4× NTSC subcarrier oscillator (14.31818MHz) using varactor diode biasing and series-resonant crystal topology. IC Role / Device Role / Timing Role: LT1713IMS8#PBF functions as the gain element and zero-crossing detector in a Pierce-style oscillator, providing square-wave output and enabling clean sine-wave generation via bandpass filtering. Use Value: Achieves ±240ppm tuning range over 0–5V control voltage with <40psRMS jitter on 3V supply - suitable for phase-locked loop reference synthesis. |
Use Scenario: Fast analog-to-digital converter (ADC) sampling clock generation with precise edge alignment and minimal aperture jitter. IC Role / Device Role / Timing Role: LT1713IMS8#PBF compares a ramp or sinusoidal reference against a threshold to generate synchronous sampling strobes with deterministic latency. Use Value: 7ns propagation delay and 15psRMS timing jitter at 30MHz ensure sub-LSB timing accuracy in 12-bit+ ADC systems operating at ≥10MSPS. |
| Pulse Width Modulators | Current Sense for Switching Regulators |
|
Use Scenario: High-frequency PWM generator for DC-DC controller feedback, comparing sawtooth ramp with error voltage to produce duty-cycle-modulated output. IC Role / Device Role / Timing Role: LT1713IMS8#PBF acts as the comparator core in a fixed-frequency current-mode or voltage-mode PWM modulator. Use Value: Rail-to-rail inputs accept full-scale error amplifier output (0–5V); latch function captures peak current events for cycle-by-cycle limiting. |
Use Scenario: High-side or low-side current sensing in synchronous buck converters, detecting inductor current zero-crossing or overcurrent thresholds. IC Role / Device Role / Timing Role: LT1713IMS8#PBF compares shunt voltage against a precision reference to trigger gate shutdown or fault reporting. Use Value: Input common-mode range extending 100mV beyond rails allows direct sensing at high-side MOSFET source or low-side shunt - no level-shifting required. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX961ASA+ | 7ns propagation delay, but only single-supply (2.7V–5.5V); no internal latch; rail-to-rail inputs only (outputs not complementary). | Lacks latch functionality and complementary outputs - requires external logic for data retention and inversion. | Choose when latch-free, low-voltage-only operation suffices and board space permits added discrete logic. |
| ADCMP572BCPZ-REEL7 | 2.5ns propagation delay, ECL/PECL outputs, no rail-to-rail inputs, no latch; requires negative supply (–5.2V) or level-shifting. | Higher speed but incompatible I/O standards - unsuitable for direct TTL/CMOS interfacing without translation. | Choose only for ultra-low-latency, non-latched applications where PECL signaling and dedicated negative supplies are available. |
Compared with MAX961ASA+ and ADCMP572BCPZ-REEL7, the LT1713IMS8#PBF uniquely integrates latch, rail-to-rail I/O, and wide supply flexibility in one MSOP-8 package - eliminating external components needed for data hold, level translation, or dual-supply support.
Availability
LT1713IMS8#PBF is available at Aetrix Electronics and suitable for high-speed sampling circuits, crystal oscillator designs, and switching regulator current-sense applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for LT1713IMS8#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, Inc. (acquired Linear Technology in 2017) is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors.
The LT1713IMS8#PBF belongs to Linear Technology's UltraFast™ comparator family, designed specifically for timing-critical applications including A/D conversion, oscillator stabilization, and high-speed digital control where sub-10ns latency and latch retention are essential.
FAQ
What is the maximum supply voltage rating for LT1713IMS8#PBF?
The LT1713IMS8#PBF has an absolute maximum positive-to-negative supply voltage of 12.6V. For single-supply operation, V+ to GND must not exceed 12.6V; for dual-supply use, V+ to V– must remain ≤12.6V, and V– must stay within –7V to 0V. Exceeding these limits risks permanent damage. The LT1713IMS8#PBF is specified for reliable operation from 2.4V to 12V single supply or ±2.4V to ±6V dual supply.
Does LT1713IMS8#PBF support true rail-to-rail output swing?
Yes - the LT1713IMS8#PBF provides rail-to-rail complementary outputs: Q can source up to 10mA while staying within 0.7V of V+, and Q̅ can sink up to 10mA while staying within 0.5V of GND. This enables direct interfacing to TTL and CMOS logic families without external pull-ups or level shifters. The LT1713IMS8#PBF achieves this using bipolar output stages optimized for speed and drive strength across its full supply range.
How does the internal latch in LT1713IMS8#PBF operate?
The LT1713IMS8#PBF latch is transparent when LATCH ENABLE (Pin 5) is low and holds the last output state when Pin 5 is high. It features ≈100mV of built-in hysteresis to suppress noise-induced transitions. No clock edge is required - assertion is level-sensitive. When unused, Pin 5 should be grounded to ensure flow-through operation. The LT1713IMS8#PBF latch retains data as long as the enable signal remains asserted, making it ideal for peak detection and event capture in transient monitoring systems.
Can LT1713IMS8#PBF inputs safely exceed the supply rails?
Yes - the LT1713IMS8#PBF inputs are protected against phase reversal when driven 100mV beyond either supply rail (i.e., down to –0.1V or up to V+ + 0.1V). Differential input voltage may reach ±12.6V. Schottky clamps prevent substrate diode conduction during overdrive, ensuring predictable behavior and fast recovery. This capability simplifies front-end design in applications like high-side current sensing or wide-dynamic-range signal conditioning where inputs may transiently exceed rails.
What is the thermal performance of LT1713IMS8#PBF in MSOP-8 package?
The LT1713IMS8#PBF in MSOP-8 has a junction-to-ambient thermal resistance (θJA) of 250°C/W, measured per JEDEC JESD51-7 on a 1-inch² 2-layer board with 2oz copper. With typical 5mA supply current and 10mA output loading, power dissipation remains below 60mW - resulting in <15°C junction rise above ambient. The exposed pad is not internally connected; thermal relief via solder paste stencil optimization and adjacent ground copper pours further improves reliability in continuous high-speed operation.
LT1713IMS8#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
- :
- 4mV @ 5V
- Voltage - Input Offset (Max):
- 2µA @ 5V
- Current - Input Bias (Max):
- 20mA
- Current - Output (Typ):
- 7.5mA
- Current - Quiescent (Max):
- 70dB CMRR, 80dB PSRR
- CMRR, PSRR (Typ):
- 11ns
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 85°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 8-MSOP
LT1713IMS8#PBF FAQ
1.How can I place an order for LT1713IMS8#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LT1713IMS8#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 LT1713IMS8#PBF reliable?
The price and inventory of LT1713IMS8#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LT1713IMS8#PBF is usually 5 days.
3.What payment methods are accepted for LT1713IMS8#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LT1713IMS8#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LT1713IMS8#PBF?
LT1713IMS8#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LT1713IMS8#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 LT1713IMS8#PBF?
For technical support, including LT1713IMS8#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LT1713IMS8#PBF requirements.
6.How does Aetrix verify that LT1713IMS8#PBF is sourced from the original manufacturer or authorized distributors?
All LT1713IMS8#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 LT1713IMS8#PBF meets industry standards.
7.What is the process for return or replacement of LT1713IMS8#PBF?
All LT1713IMS8#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LT1713IMS8#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 LT1713IMS8#PBF part is unused and in its original packaging.
Return procedure for LT1713IMS8#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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