LT1461AIS8-2.5

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LT1461AIS8-2.5

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Voltage References LT1461 - Micropower Precision Low Dropout Series Voltage Reference Family

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Description

The LT1461AIS8-2.5 is a precision micropower low-dropout voltage reference from Analog Devices. It is designed to provide a stable output voltage of 2.5 volts, making it suitable for applications requiring precise voltage regulation. The device features a low quiescent current, typically around 35 µA, which helps in conserving power, especially in battery-operated applications. It operates with a low dropout voltage, enhancing its efficiency. The LT1461AIS8-2.5 offers excellent temperature stability and low output noise, which are critical for sensitive electronic applications. It comes in a small 8-pin SOIC package, providing ease of integration into various circuit designs. The device is known for high accuracy, specified over the industrial temperature range, and includes internal trimming to ensure performance consistency. The LT1461 series is commonly used in portable instruments, data acquisition systems, and precision regulators where high performance and low power consumption are essential.

Equivalent

The LT1461AIS8-2.5 is a precision micropower low-dropout voltage reference. Equivalent products include:
1. LM4040-2.5 from Texas Instruments
2. ADR3425 from Analog Devices
3. REF5025 from Texas Instruments
These alternatives should be evaluated to ensure they meet the specific requirements and parameters of your application, such as output voltage, temperature stability, and package type.

Features

The LT1461AIS8-2.5 is a precision micropower low-dropout voltage reference. Here are its key features:
1. Output Voltage: It provides a fixed 2.5V output.
2. Accuracy: It offers high accuracy with an initial output voltage tolerance of ±0.075%.
3. Low Drift: The device exhibits low temperature coefficient, ensuring stability over temperature variations.
4. Low Dropout Voltage: Operates with a low dropout voltage of around 100mV.
5. Output Current: It can source or sink up to 10mA.
6. Low Noise: Features low output noise, enhancing performance in sensitive applications.
7. Supply Voltage Range: The input voltage range is typically from 2.7V to 20V.
8. Quiescent Current: Consumes low quiescent current, typically 35µA, making it suitable for battery-powered applications.
9. Stability: Offers excellent long-term stability.
10. Compact Package: Available in an 8-lead SOIC package.
These features make it suitable for applications requiring a stable and precise voltage reference, such as in instrumentation, data acquisition systems, and precision power supplies.

Pinout

The LT1461AIS8-2.5 is a precision micropower low-dropout voltage reference. It comes in an 8-pin package. Here is a brief overview of its pin functions:
1. VIN (Pin 1): Input voltage supply.
2. NC (Pins 2 and 3): No connection; typically left unconnected.
3. GND (Pin 4): Ground connection.
4. VOUT (Pin 5): Output voltage, providing a stable 2.5V reference.
5. TRIM/NC (Pin 6): Optional trim pin for output voltage adjustment; can be left unconnected if trimming is not needed.
6. NC (Pin 7): No connection; typically left unconnected.
7. SHDN (Pin 8): Shutdown pin, used to enable or disable the device. Pulling this pin low puts the device into a low-power shutdown mode.
The LT1461AIS8-2.5 delivers a stable 2.5V output with high accuracy and low temperature drift, making it suitable for precision applications.

Manufacturer

The LT1461AIS8-2.5 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company provides products used in a wide array of applications, including industrial, automotive, communications, healthcare, and consumer electronics. Analog Devices is known for its expertise in data conversion and signal processing technologies, and its products are often used in applications requiring high performance, precision, and reliability.

Application

The LT1461AIS8-2.5 is a precision micropower low-dropout voltage reference, commonly used in applications requiring stable voltage output. Key application areas include:
1. Data Acquisition Systems: Provides accurate reference voltages for ADCs and DACs.
2. Industrial Control Systems: Ensures precise and stable voltage for control circuits.
3. Portable and Battery-Powered Devices: Offers low power consumption and extended battery life.
4. Medical Instruments: Delivers reliable voltage reference for sensitive measurements.
5. Test and Measurement Equipment: Ensures high precision in measurement accuracy.
6. Communications Equipment: Supports stable signal processing in transmitters and receivers.
Its low dropout voltage and high stability make it suitable for these precision-demanding applications.

Package

The LT1461AIS8-2.5 is available in an 8-lead SOIC (Small Outline Integrated Circuit) package.

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