ADS1255IDBR

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ADS1255IDBR

+BOM

IC ADC 24BIT SIGMA-DELTA 20SSOP

  • ManufacturerTexas Instruments

  • Mfr. Part #ADS1255IDBR

  • Package SSOP (DB)-20

  • In Stock2109

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
NumberofBits 24
SamplingRate(PerSecond) 30k
NumberofInputs 1, 2
InputType Differential, Single Ended
DataInterface SPI
Configuration MUX-PGA-ADC
NumberofA/DConverters 1
Architecture Sigma-Delta
ReferenceType External
Voltage-SupplyAnalog 5V
Voltage-SupplyDigital 1.8V ~ 3.6V
Features PGA
OperatingTemperature -40°C ~ 85°C
Package/Case 20-SSOP (0.209, 5.30mm Width)
SupplierDevicePackage 20-SSOP

Overview

Description

The ADS1255IDBR is a high-performance, 24-bit analog-to-digital converter (ADC) designed by Texas Instruments. It is part of the ADS1255 series, known for its precision and versatility in applications requiring high-resolution data conversion. The device features a low-noise and low-drift design, making it suitable for applications like industrial process control, medical instrumentation, and high-precision data acquisition systems.
Key features include a programmable data rate up to 30,000 samples per second, an onboard digital filter, and a low-distortion delta-sigma modulator. It operates with a single voltage supply and has a wide input range, ensuring compatibility with various sensors. The ADS1255IDBR also includes built-in self-calibration and offset correction capabilities, enhancing measurement accuracy.
The device is available in a small TSSOP package, making it ideal for space-constrained applications. Its digital interface is SPI-compatible, facilitating easy integration with microcontrollers and other digital systems. Overall, the ADS1255IDBR is designed for situations where high accuracy and reliability are paramount.

Equivalent

The ADS1255IDBR is a precision analog-to-digital converter (ADC) from Texas Instruments. Equivalent products might include similar high-resolution ADCs from other manufacturers, such as the AD7799 from Analog Devices, LTC2400 from Linear Technology (now part of Analog Devices), or the MAX11200 from Maxim Integrated. When selecting a replacement, consider specifications like resolution, sampling rate, input channels, and interface compatibility to ensure they meet your specific requirements.

Features

The ADS1255IDBR is a high-performance, 24-bit analog-to-digital converter (ADC) from Texas Instruments. It features low noise and high precision, making it ideal for precision measurement applications. Key features include:
1. Resolution: 24-bit resolution for high-precision data conversion.
2. Data Rate: Adjustable data rates up to 30 kSPS (kilosamples per second).
3. Input Channels: Single differential input channel.
4. Noise Performance: Excellent noise performance with low RMS noise levels.
5. Supply Voltage: Operates with analog supply voltage from 4.75V to 5.25V and digital supply voltage from 2.7V to 5.25V.
6. Power Consumption: Low power consumption suitable for battery-powered applications.
7. Temperature Range: Operational temperature range from -40°C to +85°C.
8. Interface: SPI-compatible serial interface for easy integration with microcontrollers and other digital systems.
9. Package: Available in a small TSSOP-20 package for compact designs.
These features make the ADS1255IDBR suitable for applications requiring high-accuracy data acquisition, such as industrial process control, medical instrumentation, and high-resolution sensor measurements.

Pinout

The ADS1255IDBR is a high-performance, 24-bit analog-to-digital converter (ADC) from Texas Instruments. It typically comes in a 20-pin SSOP (Shrink Small Outline Package) package.
Key pin functions include:
- Digital Pins: Various pins for SPI communication, including SCLK (Serial Clock), DIN (Data In), DOUT (Data Out), and /CS (Chip Select).
- Analog Input Pins: Differential inputs AINP (Analog Input Positive) and AINN (Analog Input Negative) for measuring the input voltage.
- Reference Pins: REFP (Reference Positive) and REFN (Reference Negative) for the reference voltage input.
- Power Supply Pins: DVDD (Digital Supply Voltage) and AVDD (Analog Supply Voltage) provide power to the digital and analog sections, respectively. DGND and AGND are the corresponding ground pins.
- Additional Control Pins: Includes /RESET for resetting the device and /PWDN for power-down mode.
The ADS1255 is designed for applications requiring high precision and low noise, such as industrial process control, weigh scales, and scientific instrumentation.

Manufacturer

The ADS1255IDBR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of products for electronics, including integrated circuits, processors, and analog technologies. TI is known for its extensive product portfolio that serves various sectors such as industrial, automotive, personal electronics, and communications equipment. Founded in 1930 and headquartered in Dallas, Texas, the company has a strong reputation for innovation and engineering excellence.

Application

The ADS1255IDBR is a high-resolution analog-to-digital converter (ADC) used in various precision measurement applications. Key application areas include:
1. Industrial Automation: For monitoring and control systems that require precise data acquisition.
2. Medical Instrumentation: Used in devices like ECGs and other patient monitoring equipment for accurate signal processing.
3. Weigh Scales: Provides high-resolution digital outputs for load cells and pressure sensors.
4. Seismic Monitoring: Utilized in geophysical instruments for detecting and analyzing seismic activities.
5. Scientific Research: Suitable for laboratory equipment requiring precise measurement capabilities.
Overall, its high precision and low noise make it ideal for any application requiring accurate and reliable data conversion.

Package

The ADS1255IDBR is packaged in a 16-pin SSOP (Shrink Small Outline Package).