ADS1255IDBT

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ADS1255IDBT

IC ADC 24BIT SIGMA-DELTA 20SSOP

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Thông số kỹ thuật

Part Status Active
Base Product Number ADS1255
Number of Bits 24
Sampling Rate (Per Second) 30k
Number of Inputs 1, 2
Input Type Differential, Single Ended
Data Interface SPI
Configuration MUX-PGA-ADC
Number of A/D Converters 1
Architecture Sigma-Delta
Reference Type External
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 1.8V ~ 3.6V
Features PGA
Operating Temperature -40°C ~ 85°C
Package 20-SSOP (0.209", 5.30mm Width)
Supplier Device Package 20-SSOP
Mounting Type Surface Mount
Packaging Cut Tape (CT), Tape & Reel (TR)

Tổng quan

Description

The ADS1255IDBT is a high-performance, 24-bit analog-to-digital converter (ADC) designed for precise data acquisition applications. It features a delta-sigma architecture, offering high resolution and low noise characteristics. With a maximum sampling rate of 30 kSPS, it is well-suited for applications requiring accurate measurement of analog signals, such as medical instrumentation, industrial control systems, and sensor interfacing.
The device includes built-in programmable gain amplifiers (PGAs), allowing for versatile signal conditioning, and supports multiple input channels, making it suitable for multi-channel applications. Its integrated digital filters enhance signal integrity by reducing noise and interference.
The ADS1255IDBT operates on a single 5V supply and communicates via a SPI interface, facilitating easy integration with microcontrollers and digital signal processors. Its compact QFN package ensures efficient space utilization in embedded systems. Overall, the ADS1255IDBT is ideal for engineers requiring high-resolution, reliable ADC solutions in demanding environments.

Features

The ADS1255IDBT is a 24-bit analog-to-digital converter (ADC) from Texas Instruments, designed for high-performance data acquisition systems. Key features include:
1. Resolution: 24-bit conversion with a low noise floor for high-accuracy measurements.
2. Sampling Rate: Capable of up to 30 kSPS, enabling rapid data collection.
3. Input Range: Supports both differential and single-ended inputs, with programmable gain amplifiers (PGA) for signal conditioning.
4. Integrated Features: Includes an internal oscillator and reference voltage, simplifying design requirements.
5. Low Power Consumption: Operates efficiently, making it suitable for battery-powered applications.
6. Built-in Digital Filters: Features programmable digital filters for noise reduction and flexible data handling.
7. SPI Interface: Provides an easy-to-use serial interface for communication with microcontrollers or digital signal processors.
These attributes make the ADS1255IDBT ideal for applications in industrial automation, medical devices, and precision measurement systems.

Package

The ADS1255IDBT is packaged in a TSSOP (Thin Shrink Small Outline Package) with 16 pins. This type of package is designed for surface mounting, offering a compact size suitable for various applications in low-power and space-constrained environments.

Pinout

The ADS1255IDBT is a 24-bit analog-to-digital converter (ADC) with a total of 28 pins. Its pin functions include:
1. Power Supply:
- VDD: Power supply positive.
- VSS: Ground.
2. Analog Inputs:
- AIN0 to AIN5: Differential or single-ended analog input channels.
- REFP, REFN: Reference voltage inputs.
3. Digital Interface:
- SCLK: Serial clock input.
- SDI: Serial data input.
- SDO: Serial data output.
- CS: Chip select input.
- DRDY: Data ready output.
4. Control and Configuration:
- RESET: Device reset input.
- START: Initiates a conversion.
5. Miscellaneous:
- AVDD: Analog supply voltage.
- DVDD: Digital supply voltage.
The ADS1255IDBT is designed for applications requiring high-resolution and precision, such as industrial automation, medical devices, and sensor interfacing.

Manufacturer

The ADS1255IDBT is manufactured by Texas Instruments (TI), a leading American technology company. Texas Instruments specializes in designing and manufacturing a wide range of semiconductor and integrated circuit products. Founded in 1930, the company is well-known for its innovation in analog and embedded processing technologies. TI's product portfolio includes microcontrollers, processors, and various types of sensors and data converters, catering to diverse industries such as automotive, industrial, and consumer electronics. The ADS1255IDBT is a high-precision, 24-bit analog-to-digital converter (ADC) used in applications requiring accurate and efficient data conversion.

Application

The ADS1255IDBT is a high-performance, 24-bit analog-to-digital converter (ADC) primarily used in applications such as industrial process control, medical instrumentation, data acquisition systems, and strain gauge measurements. Its precision and low noise make it suitable for weighing scales, sensor signal conditioning, and environmental monitoring. Additionally, it's utilized in portable devices and audio processing, where high-resolution data conversion is essential.

Equivalent

Equivalent products to the ADS1255IDBT include the following ADCs:
1. AD7793 - Analog Devices, 24-bit, low-power delta-sigma ADC.
2. LTC2415 - Linear Technology, 24-bit delta-sigma ADC with low noise.
3. MCP3564 - Microchip, 24-bit, multi-channel delta-sigma ADC.
4. MAX11200 - Maxim Integrated, 24-bit, low-power delta-sigma ADC.
These alternatives may vary in features, such as sampling rates and input configurations, so it's essential to evaluate them based on specific application requirements.

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