LT1719CS8

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LT1719CS8

+BOM

IC COMP R-R I/O SGL 3/5V 8-SOIC

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Specifications

Attribute Value
Series UltraFast™
Part Status Discontinued at DigiKey
Base Product Number LT1719
Type Standard (General Purpose)
Number of Elements 1
Output Type CMOS, Rail-to-Rail, TTL
Voltage - Supply, Single/Dual (±) 2.7V ~ 6V
Voltage - Input Offset (Max) 2.5mV @ ±5V
Current - Input Bias (Max) 6µA @ ±5V
Current - Output (Typ) 20mA
Current - Quiescent (Max) 9mA
CMRR, PSRR (Typ) 70dB CMRR, 80dB PSRR
Propagation Delay (Max) 13ns
Hysteresis 7mV
Operating Temperature 0°C ~ 70°C
Package 8-SOIC (0.154", 3.90mm Width)
Mounting Type Surface Mount
Supplier Device Package 8-SO
Packaging Tube

Overview

Description

The LT1719CS8 is a high-speed, precision dual comparator integrated circuit (IC) designed for applications requiring fast signal processing and high accuracy. It is manufactured by Linear Technology, which is now part of Analog Devices. The IC is housed in an 8-pin SOIC package, making it suitable for compact circuit designs.
Key features of the LT1719CS8 include a fast response time, with a propagation delay of only a few nanoseconds, allowing it to handle high-frequency signals effectively. It supports a wide supply voltage range, typically from 2.7V to 6V, and features a low input offset voltage, ensuring precise signal comparison. Additionally, the LT1719CS8 has a robust output stage capable of driving various loads, making it versatile for different applications.
Common uses for the LT1719CS8 include data acquisition systems, high-speed analog-to-digital converters (ADCs), pulse-width modulation (PWM) circuits, and other high-speed signal processing applications. Its combination of speed, precision, and reliability makes it a popular choice for engineers designing electronic systems requiring rapid and accurate signal comparison.

Equivalent

The LT1719CS8 is a high-speed comparator from Linear Technology (now part of Analog Devices). Equivalent products include:
1. LMH7220 from Texas Instruments
2. ADCMP572 from Analog Devices
3. MAX999 from Maxim Integrated (now part of Analog Devices)
When selecting an equivalent, ensure the substitute meets the specific requirements for speed, supply voltage, and package. Always consult datasheets for compatibility.

Features

The LT1719CS8 is a high-speed comparator from Linear Technology, now part of Analog Devices. Here are its key features:
1. High-Speed Performance: It offers fast response times with a propagation delay of approximately 4.5 nanoseconds.
2. Wide Supply Voltage Range: Operates from a single 2.7V to 5.5V supply or dual supplies.
3. Rail-to-Rail Inputs: Supports input common mode voltage range that includes both supply rails.
4. TTL/CMOS Compatible Outputs: Provides digital output levels compatible with both TTL and CMOS logic.
5. Low Power Consumption: Designed for efficient operation with a low power draw.
6. Output Latch Capability: Features an output latch pin for storage of comparison results.
7. Input Overdrive: Fast recovery from input overdrive conditions.
8. Package: Generally available in an 8-pin SOIC package.
These features make the LT1719CS8 suitable for applications requiring fast and precise voltage comparison, such as high-speed analog-to-digital conversion and signal processing.

Pinout

The LT1719CS8 is a high-speed comparator with a pin count of 8. It is designed for applications requiring fast signal detection and processing. The functions of the pins are typically as follows:
1. VCC (Pin 8): Power supply voltage.
2. GND (Pin 4): Ground reference.
3. IN+ (Pin 3): Non-inverting input.
4. IN- (Pin 2): Inverting input.
5. OUT (Pin 7): Output of the comparator.
6. LATCH (Pin 5): Latch enable input; used to hold the comparator output state.
7. VEE (Pin 6): Negative power supply, typically connected to ground for single supply operation.
8. DISABLE (Pin 1): Output disable input; used to disable the output stage.
These pins allow the LT1719CS8 to function effectively in high-speed applications, providing rapid response to changes in input signals.

Manufacturer

The LT1719CS8 is manufactured by Linear Technology Corporation. Linear Technology was a company that specialized in designing, manufacturing, and marketing a broad line of high-performance analog integrated circuits. Their product categories included power management, data conversion, signal conditioning, RF and interface ICs, and subsystems for applications in various industries, including telecommunications, networking, automotive, industrial, and more.
In 2017, Linear Technology was acquired by Analog Devices, Inc., another major player in the analog technology field. Analog Devices (ADI) is known for its global presence in designing and manufacturing analog, mixed-signal, and digital signal processing integrated circuits used in electronic equipment. After the acquisition, the products and technologies developed by Linear Technology became part of ADI's extensive portfolio, which continues to serve a wide range of markets and applications.
Therefore, the LT1719CS8 is now under the umbrella of Analog Devices, Inc., a leading company in analog technology and semiconductor solutions.

Application

The LT1719CS8 is a high-speed comparator IC commonly used in a variety of applications. Its primary areas include:
1. High-Speed Signal Processing: Ideal for applications requiring fast decision-making, such as digital communication systems.
2. Oscillators and Pulse Generation: Used in circuits that require precise timing and waveform shaping.
3. Data Acquisition Systems: Facilitates high-speed analog-to-digital conversion by precisely comparing input signals.
4. Threshold Detection and Level Shifting: Useful in detecting specific voltage levels in various electronic systems.
5. Clock and Data Recovery: Common in systems that need synchronization from data streams.
These applications leverage its fast response time, low propagation delay, and ability to operate at high frequencies.

Package

The LT1719CS8 is an integrated circuit packaged in an SOIC-8, which stands for Small Outline Integrated Circuit with 8 pins. This type of package is commonly used for surface-mount applications, providing a compact and efficient design for electronic components.

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