LTC2494CUHF#PBF

Product Overview

Category

The LTC2494CUHF#PBF belongs to the category of analog-to-digital converters (ADCs).

Use

This product is commonly used for converting analog signals into digital data in various applications.

Characteristics

• High precision: The LTC2494CUHF#PBF offers exceptional accuracy and resolution.
• Low noise: It provides a low noise performance, ensuring reliable signal conversion.
• Wide dynamic range: This ADC can handle a wide range of input voltages.
• High speed: The LTC2494CUHF#PBF operates at high speeds, enabling fast data acquisition.

Package

The LTC2494CUHF#PBF comes in a compact and durable package, suitable for integration into different electronic systems.

Essence

The essence of the LTC2494CUHF#PBF lies in its ability to accurately convert analog signals into digital form, facilitating precise measurements and data processing.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Resolution: 24 bits
• Input Voltage Range: ±VREF
• Conversion Rate: Up to 123.4 kSPS
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage: 2.7V to 5.5V
• Interface: SPI-compatible

Detailed Pin Configuration

1. VDD: Power supply voltage
2. GND: Ground reference
3. SCK: Serial clock input
4. SDI: Serial data input
5. SDO: Serial data output
6. CS: Chip select input
7. REF: Reference voltage input
8. IN+: Positive analog input
9. IN-: Negative analog input

Functional Features

• Differential Inputs: The LTC2494CUHF#PBF supports differential input signals, allowing for accurate measurement of the voltage difference between two points.
• Internal Reference: It includes an internal reference voltage source, eliminating the need for an external reference.
• Programmable Gain Amplifier: This ADC features a programmable gain amplifier, enabling signal amplification and adjustment.
• Digital Filter: The LTC2494CUHF#PBF incorporates a digital filter to reduce noise and enhance the quality of the converted data.

Advantages and Disadvantages

Advantages

• High precision and resolution
• Low noise performance
• Wide dynamic range
• Fast conversion rate
• Integrated reference voltage source
• Programmable gain amplifier
• Digital filtering for noise reduction

Disadvantages

• Relatively higher cost compared to lower-end ADCs
• Requires careful PCB layout and grounding for optimal performance

Working Principles

The LTC2494CUHF#PBF operates based on the successive approximation register (SAR) architecture. It samples the analog input voltage, performs a series of comparisons, and gradually approximates the digital representation of the input signal. The internal circuitry ensures high accuracy by minimizing errors caused by noise, non-linearity, and other factors.

Detailed Application Field Plans

The LTC2494CUHF#PBF finds applications in various fields, including: 1. Industrial automation: Precise measurement and control systems. 2. Test and measurement equipment: High-accuracy data acquisition. 3. Medical devices: Monitoring vital signs with exceptional accuracy. 4. Energy management: Monitoring and controlling power consumption. 5. Scientific research: Accurate data collection and analysis.

Detailed and Complete Alternative Models

1. LTC2484CUHF#PBF: Similar specifications with 18-bit resolution.
2. LTC2493CUHF#PBF: Lower-cost alternative with 20-bit resolution.
3. LTC2495CUHF#PBF: Higher-resolution option with 32-bit ADC.

These alternative models offer different resolution options and price points, allowing users to choose the most suitable ADC for their specific requirements.

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