LTC2378IMS-18#TRPBF

Product Overview

Category: Analog-to-Digital Converter (ADC)

Use: The LTC2378IMS-18#TRPBF is a high-performance 18-bit ADC designed for precision measurement applications. It provides accurate conversion of analog signals into digital format.

Characteristics: - High resolution: 18 bits - Low noise: 104dB SNR (Signal-to-Noise Ratio) - Wide input voltage range: ±10V - Fast conversion rate: 1Msps (Mega samples per second) - Low power consumption: 21mW - Integrated reference and temperature sensor

Package: The LTC2378IMS-18#TRPBF comes in a small MSOP-16 package, which is suitable for space-constrained applications.

Essence: This ADC offers high-resolution and low-noise performance, making it ideal for applications that require precise measurements.

Packaging/Quantity: The LTC2378IMS-18#TRPBF is typically available in reels of 2500 units.

Specifications

• Resolution: 18 bits
• Input Voltage Range: ±10V
• Conversion Rate: 1Msps
• Power Consumption: 21mW
• SNR: 104dB
• Package Type: MSOP-16

Pin Configuration

The LTC2378IMS-18#TRPBF has the following pin configuration:

```

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| | | 1 2 3 4 5 6 | |_______________________________________|

Pin 1: VREF- Pin 2: VREF+ Pin 3: VIN- Pin 4: VIN+ Pin 5: GND Pin 6: VDD ```

Functional Features

• High-resolution conversion: The LTC2378IMS-18#TRPBF offers 18-bit resolution, allowing for precise measurement of analog signals.
• Low noise performance: With a SNR of 104dB, this ADC ensures accurate conversion even in noisy environments.
• Wide input voltage range: The ±10V input voltage range enables the measurement of both small and large signals.
• Fast conversion rate: The LTC2378IMS-18#TRPBF can perform conversions at a rate of 1Msps, making it suitable for real-time applications.
• Integrated reference and temperature sensor: This feature simplifies the design by providing a built-in reference voltage and temperature monitoring capability.

Advantages and Disadvantages

Advantages: - High resolution and low noise performance - Wide input voltage range - Fast conversion rate - Integrated reference and temperature sensor

Disadvantages: - Limited availability in smaller quantities - Relatively higher power consumption compared to lower-resolution ADCs

Working Principles

The LTC2378IMS-18#TRPBF utilizes a successive approximation register (SAR) architecture to convert analog signals into digital format. It employs an internal reference voltage and a temperature sensor to ensure accurate and stable measurements. The ADC samples the analog input voltage, performs the conversion using the SAR algorithm, and outputs the digital representation of the input signal.

Detailed Application Field Plans

The LTC2378IMS-18#TRPBF is well-suited for various precision measurement applications, including: - Industrial automation - Medical equipment - Test and measurement instruments - Data acquisition systems - Audio processing

Its high resolution, low noise, and wide input voltage range make it particularly useful in applications that require accurate and reliable analog-to-digital conversion.

Detailed and Complete Alternative Models

• LTC2376-18: 18-bit ADC with similar performance characteristics
• ADS8881: 18-bit ADC from Texas Instruments
• MAX11100: 18-bit ADC with integrated PGA (Programmable Gain Amplifier) from Maxim Integrated

These alternative models offer comparable resolution and performance to the LTC2378IMS-18#TRPBF and can be considered as alternatives based on specific application requirements.

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