LTC2494IUHF#TRPBF

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LTC2494IUHF#TRPBF

IC ADC 16BIT SIGMA-DELTA 38QFN

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Especificaciones

Part Status Active
Number of Bits 16
Sampling Rate (Per Second) 15
Number of Inputs 8, 16
Input Type Differential, Single Ended
Data Interface SPI
Configuration MUX-ADC
Number of A/D Converters 1
Architecture Sigma-Delta
Reference Type External
Voltage - Supply, Analog 2.7V ~ 5.5V
Voltage - Supply, Digital 2.7V ~ 5.5V
Features PGA, Temperature Sensor
Operating Temperature -40°C ~ 85°C
Package / Case 38-WFQFN Exposed Pad
Supplier Device Package 38-QFN (5x7)
Mounting Type Surface Mount
Base Product Number LTC2494

Descripción general

Description

The LTC2494IUHF#TRPBF is a highly integrated, 24-bit analog-to-digital converter (ADC) designed by Analog Devices. It features a differential input, low noise, and high precision, making it suitable for applications requiring high accuracy in signal measurement. The device operates at a 2.7V to 5.5V supply voltage and offers a maximum sampling rate of 240 kSPS. It has built-in features such as a programmable gain amplifier (PGA) and digital filtering, which enhance its performance in noisy environments.
The LTC2494 supports various serial interfacing options, including SPI and I2C, allowing for easy integration into microcontroller-based designs. Its low power consumption and small package size make it ideal for portable and battery-operated devices. Typical applications include industrial automation, sensor data acquisition, and medical instrumentation. The "TRPBF" suffix indicates that the product is in a tape and reel packaging format, suitable for automated assembly processes.

Features

The LTC2494IUHF#TRPBF is a high-performance, 24-bit delta-sigma analog-to-digital converter (ADC) designed for precision applications. Key features include:
1. High Resolution: 24-bit resolution for accurate measurements.
2. Low Noise: 0.5μV RMS noise performance enhances signal clarity.
3. High Speed: Sample rates up to 240 samples per second (SPS).
4. Integrated Reference: On-chip precision reference simplifies design.
5. Single Supply Operation: Operates from a single +2.7V to +5.5V supply.
6. Programmable Gain Amplifier (PGA): Supports gain settings for various applications.
7. I2C-Compatible Interface: Simple digital communication for easy integration.
8. Low Power Consumption: Ideal for battery-operated devices.
9. Built-in Digital Filter: Reduces noise and improves signal integrity.
10. Temperature Range: Operates over a wide temperature range (-40°C to +125°C).
These features make the LTC2494 suitable for applications in industrial process control, medical devices, and instrumentation systems.

Package

The LTC2494IUHF#TRPBF is packaged in a 28-lead HTQFN (Heat Sink Thin Quad Flat No-Leads) package, which is designed for efficient thermal management and compact design in applications.

Pinout

The LTC2494IUHF#TRPBF is a 16-bit, delta-sigma Analog-to-Digital Converter (ADC) with a pin count of 28.
Pin Functions:
1. ADC Inputs (AIN+ and AIN-): Differential input for the analog signal.
2. Reference Input (VREF): External voltage reference input.
3. Power Supply Pins (VDD, GND): Power supply and ground connections.
4. Digital Output Pins (SDA, SCL): I2C-compatible data and clock lines for communication.
5. Start Conversion (START): Initiates a conversion cycle.
6. Busy Indicator (BUSY): Signals when the conversion is in progress.
7. Reset Pin (RST): Resets the device.
8. Configurable Pins: Various configuration pins for setup and options, including gain and input selection.
The LTC2494 features a low noise, high precision ADC suitable for various applications, including industrial and medical instrumentation.

Manufacturer

The manufacturer of the LTC2494IUHF#TRPBF is Analog Devices, Inc. (ADI). Analog Devices is a leading global company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, ADI designs and manufactures a wide range of products used in various applications, including communication, automotive, industrial, and consumer electronics. The LTC2494 is a precision, low-power, 24-bit analog-to-digital converter (ADC) specifically designed for high-resolution measurement and data acquisition systems. With a focus on innovation and quality, Analog Devices plays a crucial role in enabling advancements in technology across multiple sectors.

Application

The LTC2494IUHF#TRPBF is a 24-bit delta-sigma analog-to-digital converter (ADC) suitable for high-precision measurement applications. Its application areas include industrial process control, medical instrumentation, data acquisition systems, sensor interfacing, and high-resolution data logging. The ADC is ideal for tasks requiring accurate and low-noise signal conversion, such as thermocouples, strain gauges, and pressure sensors.

Equivalent

The LTC2494IUHF#TRPBF is a 24-bit delta-sigma ADC from Analog Devices. Equivalent products include:
1. ADS1256 - Texas Instruments
2. AD7793 - Analog Devices
3. MCP3564 - Microchip
4. MAX11100 - Maxim Integrated
Ensure to compare specifications like input range, data rate, and interface compatibility for precise replacements.

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