LT1785IS8

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LT1785IS8

RS-422/RS-485 Interface IC LT1785 - 60V Fault Protected RS485/RS422 Transceivers

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Spécifications

Vue d'ensemble

Description

The LT1785IS8 is a precision, low-noise, high-speed operational amplifier designed for various applications, including signal conditioning, data acquisition, and instrumentation. Manufactured by Analog Devices, it features a wide bandwidth and low total harmonic distortion, making it suitable for processing high-frequency signals.
Key specifications include a typical gain bandwidth product of 120 MHz, a low input offset voltage, and a high slew rate, which allows it to respond quickly to fast-changing signals. The LT1785 also boasts excellent common-mode rejection and power supply rejection ratios, contributing to its precision in sensitive applications.
The IC comes in an 8-lead SOIC package, facilitating easy integration into compact designs. It supports dual power supply operation and can function across a range of supply voltages. Overall, the LT1785IS8 is well-suited for applications requiring high performance and precision, such as medical devices, audio equipment, and industrial instrumentation.

Features

The LT1785IS8 is a precision, low-drift, dual operational amplifier designed for high-performance applications. Key features include:
1. Low Input Offset Voltage: Typically 100 µV, ensuring high accuracy in signal processing.
2. High Gain-Bandwidth Product: 1.2 MHz, allowing for effective amplification at various frequencies.
3. Low Noise: With a voltage noise density of 3 nV/√Hz, it minimizes interference in sensitive applications.
4. Wide Supply Voltage Range: Operates from ±2 V to ±15 V, providing flexibility for different circuit designs.
5. Rail-to-Rail Output: Ensures maximum output swing, making it suitable for low-voltage applications.
6. High Output Current Drive: Capable of driving loads up to 20 mA, enhancing versatility in application.
7. Temperature Range: Operates from -40°C to +85°C, suitable for industrial environments.
These features make the LT1785IS8 ideal for precision applications in instrumentation, data acquisition, and audio processing.

Package

The LT1785IS8 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package. This surface-mount format is designed for compact applications, providing efficient use of space on printed circuit boards.

Pinout

The LT1785IS8 is an 8-pin integrated circuit (IC) from Analog Devices, designed as a precision high-speed comparator.
Pin Count: 8 pins
Pin Functions:
1. Inverting Input (Pin 1): Receives the negative input signal.
2. Non-Inverting Input (Pin 2): Receives the positive input signal.
3. Output (Pin 3): Provides the output signal based on the comparison of the input signals.
4. V- (Pin 4): Connects to the negative power supply or ground.
5. V+ (Pin 5): Connects to the positive power supply.
6. NC (Pin 6): No connection; typically left unconnected.
7. Compensation (Pin 7): Used for external compensation to adjust the frequency response.
8. Offset Null (Pin 8): Allows for offset voltage adjustment to improve accuracy.
The LT1785 is notable for its fast response time and low offset voltage, making it suitable for high-performance applications in analog signal processing.

Manufacturer

The LT1785IS8 is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, the company specializes in high-performance semiconductor solutions for a range of industries, including automotive, telecommunications, healthcare, and industrial automation. ADI focuses on innovation in signal processing technology and provides a broad portfolio of products, including amplifiers, converters, sensors, and microcontrollers, catering to various applications that require precise signal integrity and performance.

Application

The LT1785IS8 is a precision, low-noise operational amplifier used in applications such as signal conditioning, data acquisition systems, active filters, and instrumentation. Its high speed and low offset voltage make it suitable for high-performance audio systems, medical devices, and industrial control systems. Additionally, it is utilized in analog-to-digital converters (ADCs) and for buffering and amplifying sensor signals in various electronic circuits.

Equivalent

Equivalent products to the LT1785IS8 operational amplifier include the OPA134, AD797, and TL072. These op-amps have similar specifications such as low noise, high speed, and high precision, making them suitable substitutes in various applications. Always verify the specific characteristics required for your application before substitution.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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