LT1671CS8

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LT1671CS8

+BOM

IC COMP GRND-SENSNG LOWPWR 8SOIC

  • ManufacturerAnalog Devices Inc.

  • Mfr. Part #LT1671CS8

  • In Stock6015

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Specifications

Attribute Value
Part Status Discontinued at Digi-Key
Type with Latch
Number of Elements 1
Output Type CMOS, Complementary, TTL
Voltage - Input Offset (Max) 2.5mV @ ±5V
Current - Input Bias (Max) 0.28µA @ ±5V
Current - Output (Typ) 20mA
Current - Quiescent (Max) 800µA
CMRR, PSRR (Typ) 100dB CMRR, 90dB PSRR
Propagation Delay (Max) 80ns
Operating Temperature -40°C ~ 85°C
Package / Case 8-SOIC (0.154", 3.90mm Width)
Mounting Type Surface Mount
Supplier Device Package 8-SO
Base Product Number LT1671

Overview

Description

The LT1671CS8 is a high-speed, precision voltage comparator designed by Analog Devices. It features a fast response time with a propagation delay of approximately 5 ns, making it suitable for high-frequency applications. The device operates from a single supply voltage ranging from 2.7V to 36V, or dual supplies, and can handle input common-mode voltages from the negative supply to within 1.5V of the positive supply.
Key features include low input offset voltage (typically 1 mV), low power consumption, and a wide temperature range (-40°C to +125°C). The LT1671CS8 also includes a fast output stage capable of driving TTL and CMOS loads, making it versatile for various applications such as data acquisition systems, automotive electronics, and industrial sensing.
Its small, surface-mount package (SOIC-8) allows for efficient use of board space, contributing to compact circuit designs. Overall, the LT1671CS8 is a reliable choice for demanding precision applications requiring rapid response times.

Equivalent

Equivalent products to the LT1671CS8 include the OPA134, LMV721, AD8041, and MCP6001. These op-amps share similar characteristics such as low noise, high precision, and wide bandwidth, making them suitable for similar applications. Always check the specific parameters and pin configurations for compatibility in your design.

Features

The LT1671CS8 is a high-speed precision comparator from Analog Devices. Key features include:
1. High-Speed Operation: Typically responds within 4.5 ns, making it suitable for fast applications.
2. Low Offset Voltage: Offers a maximum input offset voltage of 1 mV, ensuring accurate comparisons.
3. Wide Supply Voltage Range: Operates on a supply voltage from 3 V to 15 V, providing flexibility in design.
4. Low Power Consumption: Consumes only 1.5 mA per comparator, enhancing efficiency.
5. High Input Impedance: Ensures minimal loading on the input signals.
6. Open-Collector Output: Allows for wired-AND logic configurations and easier interfacing with other devices.
7. Fast Response Time: Achieves a propagation delay of around 10 ns, suitable for high-frequency applications.
8. Temperature Range: Rated for operation from -40°C to +125°C, making it suitable for automotive and industrial applications.
These features make the LT1671CS8 ideal for applications such as zero-crossing detectors, pulse-width modulation, and data acquisition systems.

Pinout

The LT1671CS8 is an operational amplifier with a total of 8 pins. The functions of these pins are as follows:
1. Pin 1 (Offset Null): Used for offset voltage adjustment.
2. Pin 2 (Inverting Input, -): The input for the inverting signal.
3. Pin 3 (Non-Inverting Input, +): The input for the non-inverting signal.
4. Pin 4 (V- or Negative Supply): Connects to the negative power supply.
5. Pin 5 (Output): The output of the op-amp.
6. Pin 6 (V+ or Positive Supply): Connects to the positive power supply.
7. Pin 7 (NC): No connection (not used).
8. Pin 8 (Compensation): Used for frequency compensation.
The LT1671CS8 is designed for high-speed applications and features low offset voltage, making it suitable for precision signal processing tasks.

Manufacturer

The LT1671CS8 is manufactured by Analog Devices, Inc. Analog Devices is a leading global company that specializes in the design and manufacture of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves a variety of markets, including communications, automotive, healthcare, industrial, and consumer electronics.
The company is known for its innovative solutions that enable signal processing in a wide range of applications, from precision instrumentation to consumer devices. Analog Devices focuses on providing advanced technology that enhances performance, efficiency, and reliability for its customers worldwide. With a strong emphasis on research and development, Analog Devices continually seeks to advance the capabilities of analog technology and maintain its leadership in the semiconductor industry.

Application

The LT1671CS8 is a high-speed precision comparator commonly used in various applications, including:
1. Signal Conditioning: Enhancing and processing analog signals for better accuracy.
2. Threshold Detection: Monitoring and detecting voltage levels in systems.
3. Zero-Crossing Detection: Used in phase-locked loops and waveform generation.
4. Pulse Width Modulation: In motor control and power regulation applications.
5. Data Acquisition Systems: For analog-to-digital conversion and signal processing.
6. Voltage Comparators: In battery management and over-voltage protection circuits.
7. Timing Applications: Generating precise timing and control signals.
Its fast response time and low offset voltage make it ideal for these applications.

Package

The LT1671CS8 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) configuration. This surface-mount package is designed for compact applications while providing good thermal performance.

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