規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Number of Bits | 24 |
| Sampling Rate(Per Second) | 30k |
| Number of Inputs | 4, 8 |
| 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 |
| Supplier Device Package | 28-SSOP |
概述
Description
The ADS1256IDBR is a high-performance, 24-bit analog-to-digital converter (ADC) designed by Texas Instruments. It is known for its precision and versatility in data acquisition systems. This ADC features eight differential or 16 single-ended input channels, making it suitable for applications requiring multiple sensor inputs.
Key features include a programmable data rate of up to 30 kSPS, a low noise performance, and an internal programmable gain amplifier (PGA) which supports gain settings from 1 to 64. It also offers a built-in self-calibration feature to ensure accuracy over time and temperature variations.
The ADS1256IDBR operates with a digital interface compatible with SPI (Serial Peripheral Interface), facilitating easy integration with microcontrollers or digital signal processors. Its low power consumption makes it ideal for portable or battery-powered applications. Typical applications include industrial process control, medical instrumentation, and high-resolution data acquisition systems. Its compact package and robust performance make it a popular choice for engineers seeking a reliable ADC with high precision and flexibility.
Key features include a programmable data rate of up to 30 kSPS, a low noise performance, and an internal programmable gain amplifier (PGA) which supports gain settings from 1 to 64. It also offers a built-in self-calibration feature to ensure accuracy over time and temperature variations.
The ADS1256IDBR operates with a digital interface compatible with SPI (Serial Peripheral Interface), facilitating easy integration with microcontrollers or digital signal processors. Its low power consumption makes it ideal for portable or battery-powered applications. Typical applications include industrial process control, medical instrumentation, and high-resolution data acquisition systems. Its compact package and robust performance make it a popular choice for engineers seeking a reliable ADC with high precision and flexibility.
Equivalent
The ADS1256IDBR is a 24-bit analog-to-digital converter (ADC) from Texas Instruments. Equivalent products include:
1. AD7124 series by Analog Devices - Offers similar precision and functionality.
2. MCP3564 by Microchip Technology - Another high-resolution ADC.
3. LTC2440 by Analog Devices (formerly Linear Technology) - Known for high accuracy.
4. MAX11254 by Maxim Integrated - A 24-bit ADC with similar features.
These alternatives may vary in terms of additional features, performance, and interface options.
1. AD7124 series by Analog Devices - Offers similar precision and functionality.
2. MCP3564 by Microchip Technology - Another high-resolution ADC.
3. LTC2440 by Analog Devices (formerly Linear Technology) - Known for high accuracy.
4. MAX11254 by Maxim Integrated - A 24-bit ADC with similar features.
These alternatives may vary in terms of additional features, performance, and interface options.
Features
The ADS1256IDBR is a high-performance analog-to-digital converter (ADC) featuring 24-bit resolution and up to 30 kSPS (kilosamples per second) data rate. It includes a low-noise programmable gain amplifier (PGA) with gains ranging from 1 to 64, making it suitable for a variety of precision measurement applications. This ADC comes with an integrated digital filter and offers an SPI-compatible serial interface for easy communication with microcontrollers or digital signal processors.
The device supports up to 8 differential or 16 single-ended inputs, providing flexibility for multi-channel measurements. It operates over a wide supply range and has low power consumption, which is ideal for battery-powered and remote sensing applications. The ADS1256IDBR also features self-calibration for improved accuracy and maintains excellent performance in terms of signal-to-noise ratio (SNR) and total harmonic distortion (THD). Its compact TSSOP package allows for space-saving designs, making it a versatile choice for industrial, medical, and scientific instrumentation.
The device supports up to 8 differential or 16 single-ended inputs, providing flexibility for multi-channel measurements. It operates over a wide supply range and has low power consumption, which is ideal for battery-powered and remote sensing applications. The ADS1256IDBR also features self-calibration for improved accuracy and maintains excellent performance in terms of signal-to-noise ratio (SNR) and total harmonic distortion (THD). Its compact TSSOP package allows for space-saving designs, making it a versatile choice for industrial, medical, and scientific instrumentation.
Pinout
The ADS1256IDBR is a high-precision, 24-bit analog-to-digital converter (ADC) by Texas Instruments. It comes in a 28-pin SOIC (Small Outline Integrated Circuit) package. Below is a concise overview of its pin count and primary functions:
1. Power Supply Pins:
- DVDD, AVDD: Digital and analog supply voltage.
- DGND, AGND: Digital and analog ground.
2. Analog Inputs:
- AIN0 to AIN7: Analog input channels for differential or single-ended inputs.
3. Reference Pins:
- VREFP, VREFN: Positive and negative reference voltage inputs.
- REFCOM: Reference common.
4. Digital Control and Communication:
- CS: Chip select for SPI communication.
- DIN, DOUT: Serial data input and output.
- SCLK: Serial clock for SPI.
- DRDY: Data ready output to indicate completion of conversion.
- RESET: Resets the ADC.
5. Clock and Synchronization:
- CLK: External clock input.
- SYNC: Synchronizes multiple devices.
6. Miscellaneous:
- PGA (Programmable Gain Amplifier) control: Internally configured for different gain settings.
- Bypass Capacitor Pins: To stabilize internal voltage references.
These pins facilitate its function as a high-performance ADC suitable for applications like industrial control and sensor measurements.
1. Power Supply Pins:
- DVDD, AVDD: Digital and analog supply voltage.
- DGND, AGND: Digital and analog ground.
2. Analog Inputs:
- AIN0 to AIN7: Analog input channels for differential or single-ended inputs.
3. Reference Pins:
- VREFP, VREFN: Positive and negative reference voltage inputs.
- REFCOM: Reference common.
4. Digital Control and Communication:
- CS: Chip select for SPI communication.
- DIN, DOUT: Serial data input and output.
- SCLK: Serial clock for SPI.
- DRDY: Data ready output to indicate completion of conversion.
- RESET: Resets the ADC.
5. Clock and Synchronization:
- CLK: External clock input.
- SYNC: Synchronizes multiple devices.
6. Miscellaneous:
- PGA (Programmable Gain Amplifier) control: Internally configured for different gain settings.
- Bypass Capacitor Pins: To stabilize internal voltage references.
These pins facilitate its function as a high-performance ADC suitable for applications like industrial control and sensor measurements.
Manufacturer
The ADS1256IDBR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. It is one of the largest semiconductor companies in the world and primarily focuses on developing analog chips and embedded processors. TI's products are used in a wide range of applications, including consumer electronics, automotive systems, industrial equipment, and communication devices. The company is known for its extensive portfolio of electronic components and its focus on innovation and quality in the semiconductor industry.
Application
The ADS1256IDBR is a high-precision, low-noise, 24-bit analog-to-digital converter (ADC) commonly used in various applications. Key areas include:
1. Instrumentation and Measurement: Used in digital multimeters, oscilloscopes, and lab instruments for precise data acquisition.
2. Industrial Automation: Employed for process control and monitoring in industrial systems.
3. Weighing Scales: Provides accurate weight measurement for scales and balances.
4. Medical Devices: Utilized in medical imaging and diagnostic equipment for accurate data conversion.
5. Seismic Monitoring: Supports the capturing of fine seismic data for geological surveys.
6. Energy and Power Monitoring: Used in smart grids and power quality monitoring systems for detailed electrical measurements.
1. Instrumentation and Measurement: Used in digital multimeters, oscilloscopes, and lab instruments for precise data acquisition.
2. Industrial Automation: Employed for process control and monitoring in industrial systems.
3. Weighing Scales: Provides accurate weight measurement for scales and balances.
4. Medical Devices: Utilized in medical imaging and diagnostic equipment for accurate data conversion.
5. Seismic Monitoring: Supports the capturing of fine seismic data for geological surveys.
6. Energy and Power Monitoring: Used in smart grids and power quality monitoring systems for detailed electrical measurements.
Package
The ADS1256IDBR is a 28-pin SSOP (Shrink Small Outline Package) type.