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LTC1044CS8

Name: LTC1044CS8
Rating: 4.7 (12 reviews)

Switching Voltage Regulators LTC1044S8 - Switched Capacitor Voltage Converter

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データシート LTC1044CS8 DataSheet
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仕様

概要

Description

The LTC1044CS8 is a precision voltage-to-frequency converter integrated circuit developed by Analog Devices (formerly Linear Technology). It is designed to convert an analog voltage input into a proportional frequency output, making it useful for applications requiring analog-to-digital conversion, data acquisition, and frequency modulation.
Key features include a wide input voltage range, low power consumption, and high linearity. The converter operates with a power supply range of +5V to +15V and can achieve a high degree of accuracy. Its frequency output can be easily interfaced with digital logic circuits or microcontrollers for further processing.
The LTC1044CS8 is commonly used in applications such as sensor signal processing, automotive systems, and industrial automation. Its compact 8-pin SOIC package makes it suitable for space-constrained designs.
Overall, the LTC1044CS8 is a reliable choice for engineers looking to implement voltage-to-frequency conversion in various electronic systems.

Features

The LTC1044CS8 is a low-power, precision voltage converter designed for DC to DC conversion, specifically for generating negative voltage from a positive input. Key features include:
1. Voltage Conversion: Converts +5V to -5V with minimal external components.
2. Low Power Consumption: Operates at a low quiescent current, typically around 75 µA.
3. Wide Input Voltage Range: Accepts input voltages from +3V to +15V.
4. High Efficiency: Offers good efficiency in converting input voltage to output voltage.
5. Compact Package: Available in an 8-lead SOIC package for space-saving designs.
6. Low Ripple Voltage: Provides low output ripple, enhancing performance in sensitive applications.
7. Built-in Oscillator: Contains an internal oscillator that simplifies the design process.
8. Temperature Range: Operates over a wide temperature range, suitable for various environments.
These features make the LTC1044CS8 suitable for applications in instrumentation, sensor circuits, and portable devices requiring negative voltage supply.

Package

The LTC1044CS8 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package.

Pinout

The LTC1044CS8 is an integrated circuit with an 8-pin dual in-line package (DIP) configuration. It functions primarily as a precision voltage-to-frequency converter and is often used for analog-to-digital conversion applications.
Pin Count and Functions:
1. Pin 1 (OUT): Frequency output.
2. Pin 2 (GND): Ground reference.
3. Pin 3 (V+): Positive supply voltage.
4. Pin 4 (V-): Negative supply voltage.
5. Pin 5 (VREF): Reference voltage input for scaling.
6. Pin 6 (IN): Input voltage for conversion.
7. Pin 7 (C): Clock input for reference frequency.
8. Pin 8 (NC): No connect (not internally connected).
The LTC1044CS8 is designed for applications requiring high precision and stability in converting analog signals to frequency outputs.

Manufacturer

The LTC1044CS8 is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in data conversion and signal processing technology. Founded in 1965, the company develops a wide range of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Their products are widely used in various applications, including telecommunications, automotive, industrial automation, healthcare, and consumer electronics. Analog Devices is known for its commitment to innovation and high-performance solutions, making it a key player in the semiconductor industry.

Application

The LTC1044CS8 is a precision voltage-to-frequency converter used in various applications, including digital voltmeters, data acquisition systems, and remote sensing. It is also employed in analog-to-digital conversion, frequency modulation, and event counting systems. Its low power consumption and high accuracy make it suitable for battery-operated devices and portable instrumentation.

Equivalent

The LTC1044CS8 is a CMOS voltage-to-frequency converter. Equivalent products include the MAX660, MAX661, and the AD650. Other alternatives are the LM2907 and LM2917, which are frequency-to-voltage converters. Always check the specific application requirements for compatibility.