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HomeProductsIntegrated Circuits (ICs)Linear - ComparatorsLT1116CS8#PBF
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LT1116CS8#PBF - Analog Devices Inc.

Manufacturer Part Number
LT1116CS8#PBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LT1116CS8#PBF
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
7,167 pcs available, New & Original
Parts Description
IC COMPARATOR 1 W/LATCH 8SO
Package
8-SO
Data sheet
LT1116CS8#PBF.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 7167
  • Unit Price: $4.665
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $4.665 $4.67
200+ $1.805 $361.00
500+ $1.742 $871.00
1000+ $1.71 $1,710.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

LT1116CS8#PBF Tech Specifications
Analog Devices Inc. - LT1116CS8#PBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LT1116CS8#PBF

Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
Voltage - Supply, Single/Dual (±) -
Voltage - Input Offset (Max) 3mV @ 5V
Type with Latch
Supplier Device Package 8-SO
Series UltraFast™
Propagation Delay (Max) 16ns
Package / Case 8-SOIC (0.154", 3.90mm Width)
Package Tube
Output Type CMOS, Complementary, TTL
Product Attribute Attribute Value
Operating Temperature 0°C ~ 70°C
Number of Elements 1
Mounting Type Surface Mount
Hysteresis -
Current - Quiescent (Max) 38mA
Current - Output (Typ) 20mA
Current - Input Bias (Max) 20µA @ 5V
CMRR, PSRR (Typ) 90dB CMRR, 75dB PSRR
Base Product Number LT1116

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

LT1116CS8#PBF Image
LT1116CS8#PBF (1)

Manufacturer Part Number

LT1116CS8#PBF

Manufacturer

Analog Devices

Introduction

The LT1116 UltraFast comparator designed for high-speed signal processing applications where fast response times are critical.

Product Features and Performance

UltraFast comparator technology

Single element design

Complementary CMOS, TTL output types

Low voltage input offset at 3mV @ 5V

Input bias current of 20µA @ 5V

Output current typically at 20mA

Maximum quiescent current of 38mA

High common-mode rejection ratio (CMRR) of 90dB

Power supply rejection ratio (PSRR) of 75dB

Propagation delay of maximum 16 nanoseconds

Product Advantages

Precision operation with low offset voltage

Fast response suitable for high-speed applications

Low bias current reduces power dissipation

High output current capacity for driving loads

Excellent CMRR and PSRR for stable performance under varying conditions

Key Technical Parameters

Voltage - Supply, Single/Dual (±): N/A

Voltage - Input Offset (Max): 3mV @ 5V

Current - Input Bias (Max): 20µA @ 5V

Current - Output (Typ): 20mA

Current - Quiescent (Max): 38mA

CMRR, PSRR (Typ): 90dB CMRR, 75dB PSRR

Propagation Delay (Max): 16ns

Operating Temperature range: 0°C ~ 70°C

Quality and Safety Features

Precision specifications for reliable operation

Comprehensive testing for performance assurance

Compatibility

Surface Mount

Compatible with CMOS, TTL logic levels

Application Areas

High-speed data acquisition systems

Digital communication systems

Pulse and signal detection mechanisms

Industrial automation and process control

Test and measurement equipment

Product Lifecycle

Active status, not nearing discontinuation

Support for replacements and upgrades available

Several Key Reasons to Choose This Product

Ultra-fast response time advantageous for critical timing applications

Low input bias and offset voltages for accurate measurements

Robust design with high CMRR and PSRR ensures stability

Versatile output compatibility with various logic families

Suitable for a wide range of industrial and commercial applications

Continuous product support and longevity with active status

Frequently Asked Questions(FAQ)

How does the LT1116CS8#PBF compare to other single-element comparators with latch functionality in terms of propagation delay and supply current, and what design trade-offs should be considered when selecting it for a high-speed analog front-end?
The LT1116CS8#PBF offers a maximum propagation delay of 16ns, which is competitive among single-channel comparators with built-in latch. However, its quiescent current can reach up to 38mA at 5V supply, significantly higher than newer micropower comparators. This indicates a trade-off between speed and power efficiency—ideal for applications where response time is critical but power budget is less constrained. When compared to devices like the LM393 or MAX902, the LT1116 trades lower input bias current (20µA max) for faster switching, making it suitable for precision threshold detection in buffered systems where noise immunity matters more than static power consumption.
What are the implications of the LT1116CS8#PBF’s operating temperature range (0°C to 70°C) for industrial or automotive applications, and how might thermal management affect its latch stability during extended operation?
The LT1116CS8#PBF is specified only from 0°C to 70°C, limiting its use in most industrial or automotive environments without additional thermal derating. While the internal latch circuitry is designed for stable digital hold states, prolonged exposure near the upper end of this range may increase leakage currents and reduce noise margins, potentially causing unintended state transitions in noisy environments. For systems requiring operation beyond 70°C, alternative components with broader temperature grades should be evaluated, as the latch’s reliability under thermal stress is not guaranteed outside the datasheet limits.
In what scenarios would the LT1116CS8#PBF’s combination of CMOS, complementary, and TTL outputs be advantageous over standard open-drain or push-pull configurations, and how do these output types interact in mixed-signal designs?
The LT1116CS8#PBF supports CMOS, complementary (push-pull), and TTL-compatible outputs, allowing flexible interfacing across legacy and modern logic families. This multi-output capability is beneficial in mixed-signal systems where both analog sensing and bidirectional digital communication occur—such as level translation between a microcontroller and an older instrumentation interface. However, driving capacitive loads or long traces can introduce ringing due to the complementary stage’s slew rate limitations; thus, termination resistors or series damping may be required despite the 20mA drive strength.
How does the offset voltage of 3mV maximum at 5V supply influence threshold accuracy in precision voltage monitoring using the LT1116CS8#PBF, and what compensation techniques are recommended for critical applications?
A 3mV maximum input offset voltage introduces uncertainty in trip point accuracy, which may be unacceptable for battery monitoring circuits requiring ±1% threshold precision. For example, in a 5V reference system, this offset could cause false triggers within a 30mV window around the intended threshold. To mitigate, external trimming via a potentiometer or calibration routine can be used, though this adds complexity. Alternatively, averaging multiple comparisons or using a lower-gain preamplifier stage can reduce sensitivity to offset drift under varying conditions.
What considerations apply when cascading or paralleling LT1116CS8#PBF units for higher bandwidth or redundancy, given its single-element architecture and latch behavior?
Due to its integrated latch, paralleling multiple LT1116CS8#PBF units is generally discouraged unless carefully synchronized, as asynchronous outputs may create contention on shared buses. Cascading isn’t applicable since it contains only one comparator per package. If increased bandwidth is needed, consider instead replacing the part with a dual- or quad-comparator IC with lower propagation delay per channel. Using multiple LT1116CS8#PBFs adds pin count and power overhead without proportional speed gains, making it inefficient for parallel processing.
How does the LT1116CS8#PBF’s Moisture Sensitivity Level (MSL) rating of 1 benefit manufacturing processes, and what precautions remain necessary despite this classification?
With an MSL rating of 1, the LT1116CS8#PBF is exempt from standard moisture pre-conditioning before reflow soldering, simplifying PCB assembly workflows and reducing handling steps. However, this assumes proper storage under dry-pack conditions prior to use. Exposure to ambient humidity over time—especially in humid climates—can still compromise solder joint integrity if the device is mishandled post-opening. Facilities should maintain controlled storage environments regardless of MSL status to preserve long-term reliability.
Can the LT1116CS8#PBF safely drive inductive loads such as relays or solenoids directly, and what protection circuitry is essential given its 20mA output current capability?
Although the LT1116CS8#PBF can source or sink up to 20mA, directly driving inductive loads risks damaging the output stage due to back EMF spikes. A flyback diode across the load and possibly a series resistor are strongly recommended. Additionally, the latch feature allows sustained high/low states useful for holding relay coils energized, but thermal accumulation must be monitored if duty cycles exceed safe thresholds—particularly near 70°C ambient where junction temperatures may rise rapidly.
How does the LT1116CS8#PBF’s PSRR of 75dB perform under typical supply ripple conditions, and what impact does this have on hysteresis-based noise rejection strategies?
At 75dB PSRR, the LT1116CS8#PBF attenuates supply noise by a factor of approximately 300:1. In a 5V system with 10mVpp ripple, this results in less than 33µV coupling into the input, which is generally negligible for most applications. Combined with its lack of internal hysteresis, designers often implement external positive feedback to create programmable thresholds resistant to small signal fluctuations. This approach leverages the comparator’s low offset and fast response while compensating for absent built-in hysteresis through circuit-level design.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LT1116CS8#PBF

Product Attribute LT1116CS8#TRPBF LT1116CN8#PBF LT1116CS8 LT1116CN8
Part Number LT1116CS8#TRPBF LT1116CN8#PBF LT1116CS8 LT1116CN8
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc./Maxim Integrated Analog Devices Inc.
Hysteresis - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Base Product Number - DAC34H84 MAX500 ADS62P42
Current - Quiescent (Max) - - - -
Current - Input Bias (Max) - - - -
Voltage - Supply, Single/Dual (±) - - - -
Series - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Mounting Type - Surface Mount Through Hole Surface Mount
Type - - - -
Propagation Delay (Max) - - - -
CMRR, PSRR (Typ) - - - -
Current - Output (Typ) - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - Input Offset (Max) - - - -
Number of Elements - - - -

LT1116CS8#PBF Datasheet PDF

Download LT1116CS8#PBF pdf datasheets and Analog Devices Inc. documentation for LT1116CS8#PBF - Analog Devices Inc..

Datasheets
LT1116.pdf
PCN Design/Specification
Laser Top Marking 11/Jun/2021.pdf Mult Dev Mark Chg 5/Jul/2021.pdf
Environmental Information
Material Declaration LT1116CS8#PBF.pdf

Customer Reviews

Evaluation: 10 Articles

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

  • Embe***dMotion
    Aug 5, 2026

    Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.

  • FPGA***dio
    Jul 30, 2026

    This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.

  • Nord***mbedded
    Jul 20, 2026

    Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.

  • Arch***ct
    Jul 15, 2026

    Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

  • FPGA***lorer88
    Jul 7, 2026

    The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

  • Nath***oleman
    Jun 29, 2026

    Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

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Region Country Logistic Time(Day)
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Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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LT1116CS8#PBF Image

LT1116CS8#PBF

Analog Devices Inc.
32D-LT1116CS8#PBF

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