LT1490CS8

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LT1490CS8

IC OPAMP GP 200KHZ RRO 8SO

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Specifications

Series LT®
Part Status Discontinued at DigiKey
Base Product Number LT1490
Amplifier Type Standard (General Purpose)
Number of Circuits 2
Output Type Rail-to-Rail
Slew Rate 0.07V/µs
Gain Bandwidth Product 200 kHz
Current - Input Bias 4 nA
Voltage - Input Offset 250 µV
Current - Supply 40µA (x2 Channels)
Voltage - Supply Span (Min) 2 V
Voltage - Supply Span (Max) 44 V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SO
Packaging Tube
Current - Output / Channel 25 mA

Overview

Description

The LT1490CS8 is a high-speed, low-offset voltage comparator designed for various analog signal processing applications. It features a fast response time, with a propagation delay of around 25 ns, making it suitable for high-frequency applications. The device operates with a wide supply voltage range, typically from 3V to 15V, and boasts low power consumption, enhancing efficiency in portable devices.
Key characteristics include a low input offset voltage (typically 2 mV), high common-mode rejection ratio (CMRR), and a wide input voltage range, which allows it to handle both single-supply and dual-supply configurations. The LT1490CS8 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit), facilitating easier integration into circuit designs.
Applications include signal level detection, pulse width modulation, and zero-crossing detection, making it versatile for both consumer electronics and industrial applications. Overall, the LT1490CS8 is a robust option for engineers seeking reliable comparators with high performance in size-constrained environments.

Features

The LT1490CS8 is a precision voltage reference and comparator from Analog Devices. Its key features include:
1. Precision Performance: Offers a high accuracy reference voltage, typically around ±0.5% across a wide temperature range.
2. Temperature Coefficient: Low temperature drift, ensuring stable performance over varying temperatures.
3. Wide Supply Voltage Range: Operates with a supply voltage from 4.5V to 15V, providing flexibility in design.
4. Low Power Consumption: Consumes minimal power, suitable for battery-operated devices.
5. Fast Response Time: Offers a quick settling time for rapid signal processing.
6. Single-Supply Operation: Can function with a single-ended power supply, simplifying circuit design.
7. Small Package: Available in an 8-lead SOIC package, allowing for compact design layouts.
Overall, the LT1490CS8 is ideal for applications requiring accurate voltage references and fast comparison in portable and space-constrained environments.

Package

The LT1490CS8 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) form factor.

Pinout

The LT1490CS8 is an 8-pin integrated circuit (IC) from Analog Devices, specifically a high-speed comparator. The pin configuration and functions are as follows:
1. Pin 1 - Inverting Input (–): This is the negative input for the comparator.
2. Pin 2 - Non-inverting Input (+): This is the positive input for the comparator.
3. Pin 3 - Output: This pin provides the output signal indicating the comparison result.
4. Pin 4 - V– (Negative Supply): This pin is connected to the negative supply voltage.
5. Pin 5 - V+ (Positive Supply): This pin connects to the positive supply voltage.
6. Pin 6 - NC (No Connect): This pin is not connected internally and can be left floating.
7. Pin 7 - Compensation (Comp): This pin is used for frequency compensation to improve stability.
8. Pin 8 - Ground (GND): This is the ground reference for the device.
The LT1490 is designed for high-speed applications and offers fast response times and low offset voltage.

Manufacturer

The LT1490CS8 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Norwood, Massachusetts, Analog Devices serves a wide range of markets, including automotive, communications, industrial, healthcare, and consumer electronics. The company is known for its innovative solutions in high-performance signal processing and its commitment to advancing technology in various applications.

Application

The LT1490CS8 is a high-speed, precision voltage comparator widely used in applications such as data acquisition systems, signal conditioning, battery management, and industrial automation. It features low offset voltage and high-speed response, making it suitable for comparator circuits, level detection, and window comparator applications. Additionally, it's utilized in analog-to-digital converters (ADCs) and motor control systems for effective signal comparison and processing.

Equivalent

The LT1490CS8 is a high-speed comparator. Equivalent products include:
1. LM393 - Dual comparator with similar features.
2. MAX9025 - High-speed comparator with low offset voltage.
3. OPA350 - Precision single-supply comparator.
4. TLV3701 - Low-power, high-speed comparator.
Ensure to check specific parameters like supply voltage, speed, and input/output configurations for compatibility.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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