Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Number of Bits | 24 |
| Sampling Rate(Per Second) | 80 |
| Number of Inputs | 1 |
| Input Type | Differential |
| Data Interface | SPI |
| Configuration | ADC |
| Number of A/D Converters | 1 |
| Architecture | Sigma-Delta |
| Reference Type | External |
| Voltage - Supply, Analog | 3V ~ 5.3V |
| Voltage - Supply, Digital | 3V ~ 5.3V |
| Operating Temperature | -40°C ~ 85°C |
| Supplier Device Package | 16-SOIC |
Overview
Description
The ADS1231IDR is a high-precision, 24-bit analog-to-digital converter (ADC) designed by Texas Instruments. It is specifically optimized for weigh scale and other industrial sensor applications. The device features a low-noise, high-gain amplifier, making it ideal for interfacing directly with bridge sensors and other low-level signal sources.
Key features of the ADS1231IDR include a two-wire serial interface, onboard oscillator, and the ability to operate from a single 2.7V to 5.3V supply. It offers a programmable gain of either 64 or 128, allowing for flexibility in various applications. The converter includes a simple, pin-driven interface for ease of use and minimal external components.
The ADS1231IDR is designed to provide excellent noise performance and stability, with an operating temperature range suitable for industrial environments. It also includes a selectable data rate of 10 or 80 samples per second, which can be adjusted according to the application's speed and accuracy requirements. This makes the ADS1231IDR a robust choice for precision measurement tasks.
Key features of the ADS1231IDR include a two-wire serial interface, onboard oscillator, and the ability to operate from a single 2.7V to 5.3V supply. It offers a programmable gain of either 64 or 128, allowing for flexibility in various applications. The converter includes a simple, pin-driven interface for ease of use and minimal external components.
The ADS1231IDR is designed to provide excellent noise performance and stability, with an operating temperature range suitable for industrial environments. It also includes a selectable data rate of 10 or 80 samples per second, which can be adjusted according to the application's speed and accuracy requirements. This makes the ADS1231IDR a robust choice for precision measurement tasks.
Equivalent
The ADS1231IDR is a precision 24-bit analog-to-digital converter (ADC) commonly used in weigh scales and other precision measurement applications. Equivalent products include:
1. HX711 - A 24-bit ADC used in weigh scale applications.
2. AD7780 - A 24-bit ADC with similar features, from Analog Devices.
3. NAU7802 - A 24-bit ADC suitable for load cell and bridge sensor measurements.
4. MCP3561 - A 24-bit ADC from Microchip with similar precision measurement capabilities.
These alternatives may vary in features, so it's important to check compatibility with your specific application.
1. HX711 - A 24-bit ADC used in weigh scale applications.
2. AD7780 - A 24-bit ADC with similar features, from Analog Devices.
3. NAU7802 - A 24-bit ADC suitable for load cell and bridge sensor measurements.
4. MCP3561 - A 24-bit ADC from Microchip with similar precision measurement capabilities.
These alternatives may vary in features, so it's important to check compatibility with your specific application.
Features
The ADS1231IDR is a precision 24-bit analog-to-digital converter (ADC) designed by Texas Instruments, optimized for weigh scales and other bridge-sensor applications. Key features include:
1. 24-Bit Resolution: Offers high precision and low noise for accurate measurements.
2. Low Noise Performance: Ensures reliable data capture with minimal interference.
3. Integrated PGA: Comes with a programmable gain amplifier (PGA) that simplifies sensor interface and enhances low-level signal measurements.
4. Two Data Rates: Supports data output rates of 10 samples per second (SPS) and 80 SPS, allowing flexibility depending on accuracy and speed requirements.
5. Simple Interface: Utilizes a serial interface that is easy to integrate with microcontrollers.
6. Low Power Consumption: Designed for battery-operated devices, it reduces power usage, making it efficient for portable applications.
7. Temperature Stability: Provides consistent performance across varying temperatures.
8. Single-Supply Operation: Can operate from a single power supply between 2.7V and 5.3V, simplifying power management.
These features make the ADS1231IDR suitable for applications requiring high precision and efficiency, particularly in low-power and portable devices.
1. 24-Bit Resolution: Offers high precision and low noise for accurate measurements.
2. Low Noise Performance: Ensures reliable data capture with minimal interference.
3. Integrated PGA: Comes with a programmable gain amplifier (PGA) that simplifies sensor interface and enhances low-level signal measurements.
4. Two Data Rates: Supports data output rates of 10 samples per second (SPS) and 80 SPS, allowing flexibility depending on accuracy and speed requirements.
5. Simple Interface: Utilizes a serial interface that is easy to integrate with microcontrollers.
6. Low Power Consumption: Designed for battery-operated devices, it reduces power usage, making it efficient for portable applications.
7. Temperature Stability: Provides consistent performance across varying temperatures.
8. Single-Supply Operation: Can operate from a single power supply between 2.7V and 5.3V, simplifying power management.
These features make the ADS1231IDR suitable for applications requiring high precision and efficiency, particularly in low-power and portable devices.
Pinout
The ADS1231IDR is a precision 24-bit analog-to-digital converter (ADC) designed for weigh scales and other applications that require high-resolution measurements. It is produced by Texas Instruments. The device comes in an 8-pin SOIC package.
Pin Count and Functions:
1. VDD (Pin 1): Power supply input.
2. GND (Pin 2): Ground reference.
3. PGA (Pin 3): Gain setting pin; sets the gain of the internal programmable gain amplifier (PGA).
4. SPEED (Pin 4): Data rate selection pin; chooses between two data rates for conversion.
5. PDWN (Pin 5): Power down pin; used to power down the device for power saving.
6. DOUT/DRDY (Pin 6): Data output/ready pin; used for serial data output and to indicate when data is ready.
7. SCLK (Pin 7): Serial clock input; used to clock out data from the device.
8. AINP/AINN (Pins 8): Differential analog inputs; meant for connecting the sensor outputs or the signal to be measured.
The ADS1231IDR is suitable for interfacing with microcontrollers and other digital systems due to its simple two-wire interface.
Pin Count and Functions:
1. VDD (Pin 1): Power supply input.
2. GND (Pin 2): Ground reference.
3. PGA (Pin 3): Gain setting pin; sets the gain of the internal programmable gain amplifier (PGA).
4. SPEED (Pin 4): Data rate selection pin; chooses between two data rates for conversion.
5. PDWN (Pin 5): Power down pin; used to power down the device for power saving.
6. DOUT/DRDY (Pin 6): Data output/ready pin; used for serial data output and to indicate when data is ready.
7. SCLK (Pin 7): Serial clock input; used to clock out data from the device.
8. AINP/AINN (Pins 8): Differential analog inputs; meant for connecting the sensor outputs or the signal to be measured.
The ADS1231IDR is suitable for interfacing with microcontrollers and other digital systems due to its simple two-wire interface.
Manufacturer
The ADS1231IDR is manufactured by Texas Instruments. Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic products. They are well-known for their development of analog chips and embedded processors, which are used in various applications across industries such as automotive, industrial, personal electronics, communications, and enterprise systems. As a leader in the semiconductor industry, Texas Instruments is renowned for its innovation and quality in electronic component manufacturing.
Application
The ADS1231IDR is a precision 24-bit analog-to-digital converter (ADC) commonly used in applications requiring high accuracy and stability. Key application areas include:
1. Weigh Scales: Its high resolution and low noise make it ideal for weight sensing in digital scales.
2. Industrial Process Control: It offers precise measurement capabilities for monitoring and control systems.
3. Pressure Sensors: Suitable for converting pressure sensor outputs into digital signals.
4. Medical Instrumentation: Used in medical devices where accurate and reliable signal conversion is crucial.
5. Strain Gauge Measurements: Effective in capturing minute variations in mechanical stress or strain.
These applications benefit from its onboard low-noise programmable gain amplifier and internal oscillator, which simplify system design and improve performance.
1. Weigh Scales: Its high resolution and low noise make it ideal for weight sensing in digital scales.
2. Industrial Process Control: It offers precise measurement capabilities for monitoring and control systems.
3. Pressure Sensors: Suitable for converting pressure sensor outputs into digital signals.
4. Medical Instrumentation: Used in medical devices where accurate and reliable signal conversion is crucial.
5. Strain Gauge Measurements: Effective in capturing minute variations in mechanical stress or strain.
These applications benefit from its onboard low-noise programmable gain amplifier and internal oscillator, which simplify system design and improve performance.
Package
The ADS1231IDR is a precision 24-bit analog-to-digital converter (ADC) from Texas Instruments. It comes in a small outline integrated circuit (SOIC) package, specifically the 16-pin SOIC (D) type. This package type is designed for surface mounting on printed circuit boards (PCBs).
