ADS1285IRHBR

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ADS1285IRHBR

+BOM

32-BITHIGH-RESOLUTION TWO-CHANNE

  • ManufacturerTexas Instruments

  • Mfr. Part #ADS1285IRHBR

  • In Stock4920

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Specifications

Attribute Value
Part Status Active
Number of Bits 32
Sampling Rate (Per Second) 4k
Number of Inputs 2
Input Type Differential
Data Interface 3-Wire Serial, SPI
Configuration MUX-PGA-ADC
Ratio - S / H: ADC 1:1
Number of A / D Converters 1
Architecture Sigma-Delta
Reference Type External
Voltage - Supply, Analog 3V ~ 5.25V
Voltage - Supply, Digital 2.7V ~ 3.6V
Operating Temperature -40°C ~ 85°C
Package / Case 32-VFQFN Exposed Pad
Supplier Device Package 32-VQFN (5x5)
Mounting Type Surface Mount
Base Product Number ADS1285

Overview

Description

The ADS1285IRHBR is a precision, low-noise, 24-bit analog-to-digital converter (ADC) designed for high-performance data acquisition applications. It features a 250 kSPS maximum sampling rate and includes an integrated programmable gain amplifier (PGA), which allows for versatile signal processing and conditioning. The device is particularly well-suited for medical instrumentation, industrial control systems, and sensor applications due to its high accuracy and low power consumption.
Key features include a built-in voltage reference, support for bipolar input signals, and a flexible digital interface (SPI) for easy integration with microcontrollers or digital signal processors. The ADS1285IRHBR also incorporates advanced noise reduction techniques, such as digital filtering options, to enhance performance in noisy environments. Its robust design and reliability make it ideal for demanding applications where precision data capture is critical.

Equivalent

Equivalent products for the ADS1285IRHBR chip include the following ADCs: ADS1282, ADS1284, and ADS1286. Other possible alternatives could be the MCP3564 and LTC2365, which offer similar specifications in terms of resolution and performance. Always verify specific performance parameters and application requirements before selecting an equivalent.

Features

The ADS1285IRHBR is a high-precision, 24-bit analog-to-digital converter (ADC) designed for high-speed data acquisition. Key features include:
1. Resolution: 24 bits, enabling high accuracy and precision in measurements.
2. Sampling Rate: Up to 32 kSPS, suitable for dynamic applications.
3. Input Channels: Five differential inputs, allowing for multi-channel signal acquisition.
4. Low Noise: Excellent noise performance with a noise density of 2.1 µVRMS, ensuring clean signal output.
5. Integrated Reference: On-chip reference voltage simplifies design and reduces component count.
6. Digital Filter: Programmable digital filter options for improved signal processing.
7. Serial Interface: SPI-compatible interface for easy integration with microcontrollers and DSPs.
8. Low Power Consumption: Designed for energy-efficient operation, ideal for battery-powered devices.
9. Temperature Range: Operational from -40°C to +125°C, making it suitable for harsh environments.
These features make the ADS1285IRHBR suitable for applications in medical instrumentation, industrial automation, and other high-precision measurement systems.

Pinout

The ADS1285IRHBR is a 24-bit analog-to-digital converter (ADC) from Texas Instruments, featuring a total of 32 pins. This device is designed for high-performance data acquisition applications and includes various functions such as:
1. Input Channels: Supports multiple analog input channels for differential and single-ended measurements.
2. Digital Interface: Provides a serial interface (SPI) for communication with microcontrollers or processors.
3. Power Supply: Includes pins for power supply connections (AVDD, DVDD) and ground (AGND, DGND).
4. Reference Voltage: Offers pins for an internal or external voltage reference (REFIN+ and REFIN-).
5. Clock Input: Features a clock input pin (CLKIN) for timing control.
6. Configuration: Several pins are dedicated to configuration and control settings, such as the device mode, data rate selection, and power management.
This ADC is suitable for applications requiring accurate and high-speed data conversion.

Manufacturer

The ADS1285IRHBR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of analog and digital semiconductor devices, as well as embedded processors. Established in 1930, the company is headquartered in Dallas, Texas, and has a strong focus on innovation in the electronics industry.
Texas Instruments serves various markets including industrial, automotive, personal electronics, and communications. They are known for their expertise in analog signal processing, microcontrollers, and digital signal processing solutions. The ADS1285 is a precision, low-power, 24-bit analog-to-digital converter (ADC) that is particularly suited for high-performance data acquisition applications, such as in medical devices, industrial instrumentation, and audio systems.
Texas Instruments is recognized not only for its extensive product portfolio but also for its commitment to research and development, making it a key player in advancing technology across diverse sectors.

Application

The ADS1285IRHBR is a high-performance, 24-bit analog-to-digital converter (ADC) commonly used in applications such as medical instrumentation, industrial process control, and precision measurement systems. Its low noise and high accuracy make it suitable for electrocardiogram (ECG) and electromyogram (EMG) devices in healthcare. Additionally, it is utilized in high-resolution data acquisition for sensor interfaces, weighing scales, and strain gauge measurements. Its ability to operate in noisy environments also makes it ideal for automotive and aerospace applications, where reliable data conversion is crucial.

Package

The ADS1285IRHBR is packaged in a 32-pin HTQFP (Thin Quad Flat Package) format. This package type features a thin profile and is suitable for surface mount applications, providing a compact and efficient solution for integrating the ADC into electronic designs.

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