Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| NumberofBits | 24 |
| SamplingRate(PerSecond) | 2k |
| NumberofInputs | 2, 4 |
| InputType | Differential, Single Ended |
| DataInterface | SPI |
| Configuration | MUX-PGA-ADC |
| NumberofA/DConverters | 1 |
| Architecture | Sigma-Delta |
| ReferenceType | External, Internal, Supply |
| Voltage-SupplyAnalog | 2.3V ~ 5.5V, ±2.5 |
| Voltage-SupplyDigital | 2.3V ~ 5.5V |
| Features | PGA, Temperature Sensor |
| OperatingTemperature | -40°C ~ 125°C |
| Package/Case | 16-TSSOP (0.173, 4.40mm Width) |
| SupplierDevicePackage | 16-TSSOP |
Tổng quan
Description
The ADS1220IPWR is a high-performance, precision analog-to-digital converter (ADC) from Texas Instruments. It is designed for applications requiring high accuracy and low power consumption. This 24-bit ADC integrates a low-noise programmable gain amplifier (PGA), an internal oscillator, and a precision temperature sensor, making it suitable for sensor measurements in industrial, medical, and consumer applications.
Key features include a wide range of programmable data rates, from 20 SPS to 2000 SPS, allowing for flexibility between speed and resolution. The ADS1220IPWR supports multiple input configurations with four differential or three differential and two single-ended inputs, along with a multiplexer for channel selection.
The device operates with a low power consumption of approximately 315 μA, supporting battery-powered and remote sensor applications. It also offers various interfaces for connectivity, notably an SPI-compatible interface for easy integration with microcontrollers.
The ADS1220IPWR comes in a TSSOP-16 package, making it compact and suitable for space-constrained designs. Its combination of features makes it an ideal choice for precision measurement applications.
Key features include a wide range of programmable data rates, from 20 SPS to 2000 SPS, allowing for flexibility between speed and resolution. The ADS1220IPWR supports multiple input configurations with four differential or three differential and two single-ended inputs, along with a multiplexer for channel selection.
The device operates with a low power consumption of approximately 315 μA, supporting battery-powered and remote sensor applications. It also offers various interfaces for connectivity, notably an SPI-compatible interface for easy integration with microcontrollers.
The ADS1220IPWR comes in a TSSOP-16 package, making it compact and suitable for space-constrained designs. Its combination of features makes it an ideal choice for precision measurement applications.
Equivalent
The ADS1220IPWR is a 24-bit analog-to-digital converter (ADC) from Texas Instruments. Equivalent products from other manufacturers might include:
1. AD7793 - Analog Devices
2. MAX11270 - Maxim Integrated
3. MCP3561 - Microchip Technology
4. LTC2440 - Analog Devices (formerly Linear Technology)
Each of these alternatives may have differences in specifications or features, so it's important to compare them based on your specific application requirements.
1. AD7793 - Analog Devices
2. MAX11270 - Maxim Integrated
3. MCP3561 - Microchip Technology
4. LTC2440 - Analog Devices (formerly Linear Technology)
Each of these alternatives may have differences in specifications or features, so it's important to compare them based on your specific application requirements.
Features
The ADS1220IPWR is a precision, 24-bit analog-to-digital converter (ADC) from Texas Instruments. Some key features include:
1. Resolution and Accuracy: It offers a 24-bit resolution which provides high precision for a wide range of applications.
2. Data Rate: Configurable data rates up to 2 kSPS (samples per second).
3. Low Noise: Designed for low-noise performance, crucial for applications requiring high precision.
4. Power Consumption: Both high and low-power modes are available, optimized for energy efficiency.
5. Analog Inputs: Features four single-ended or two differential inputs, suitable for various sensor types.
6. Programmable Gain Amplifier (PGA): Integrated PGA with gains from 1 to 128, allowing for flexibility in measuring signals of different amplitudes.
7. Interface: Uses an SPI digital interface for easy integration with microcontrollers.
8. Operating Voltage: Operates within a supply voltage range of 2.3 V to 5.5 V.
9. Temperature Sensor: Includes an integrated temperature sensor for monitoring device temperature.
10. Built-in Diagnostics: Self-diagnosis and offset calibration feature enhances reliability.
These features make the ADS1220IPWR suitable for precision sensing applications, including industrial process control, medical instrumentation, and portable measurement devices.
1. Resolution and Accuracy: It offers a 24-bit resolution which provides high precision for a wide range of applications.
2. Data Rate: Configurable data rates up to 2 kSPS (samples per second).
3. Low Noise: Designed for low-noise performance, crucial for applications requiring high precision.
4. Power Consumption: Both high and low-power modes are available, optimized for energy efficiency.
5. Analog Inputs: Features four single-ended or two differential inputs, suitable for various sensor types.
6. Programmable Gain Amplifier (PGA): Integrated PGA with gains from 1 to 128, allowing for flexibility in measuring signals of different amplitudes.
7. Interface: Uses an SPI digital interface for easy integration with microcontrollers.
8. Operating Voltage: Operates within a supply voltage range of 2.3 V to 5.5 V.
9. Temperature Sensor: Includes an integrated temperature sensor for monitoring device temperature.
10. Built-in Diagnostics: Self-diagnosis and offset calibration feature enhances reliability.
These features make the ADS1220IPWR suitable for precision sensing applications, including industrial process control, medical instrumentation, and portable measurement devices.
Pinout
The ADS1220IPWR is a precision 24-bit analog-to-digital converter (ADC) commonly used for sensor measurement applications. It comes in a 16-pin TSSOP package. The pin functions are as follows:
1. AVDD: Analog supply voltage.
2. AVSS: Analog ground.
3. DVDD: Digital supply voltage.
4. DGND: Digital ground.
5. AIN0: Analog input channel 0.
6. AIN1: Analog input channel 1.
7. AIN2: Analog input channel 2.
8. AIN3: Analog input channel 3.
9. REFP: Positive reference voltage input.
10. REFN: Negative reference voltage input.
11. DRDY/DOUT: Data ready output and serial data output.
12. SCLK: Serial clock input.
13. CS: Chip select input.
14. MUX: Multiplexer control.
15. PGA: Programmable gain amplifier.
16. START/SYNC: Start conversion or synchronize the master clock.
These pins allow the ADS1220 to interface with microcontrollers and other digital systems for the purpose of converting analog signals to digital data with high precision.
1. AVDD: Analog supply voltage.
2. AVSS: Analog ground.
3. DVDD: Digital supply voltage.
4. DGND: Digital ground.
5. AIN0: Analog input channel 0.
6. AIN1: Analog input channel 1.
7. AIN2: Analog input channel 2.
8. AIN3: Analog input channel 3.
9. REFP: Positive reference voltage input.
10. REFN: Negative reference voltage input.
11. DRDY/DOUT: Data ready output and serial data output.
12. SCLK: Serial clock input.
13. CS: Chip select input.
14. MUX: Multiplexer control.
15. PGA: Programmable gain amplifier.
16. START/SYNC: Start conversion or synchronize the master clock.
These pins allow the ADS1220 to interface with microcontrollers and other digital systems for the purpose of converting analog signals to digital data with high precision.
Manufacturer
The ADS1220IPWR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and integrated circuits. They are known for their innovations in analog and embedded processing products. TI's products are used in various applications across different industries, including automotive, industrial, personal electronics, communications, and enterprise systems. The company focuses on developing technologies that enhance performance, efficiency, and ease of use in electronic devices.
Application
The ADS1220IPWR is a precision, low-power, 24-bit analog-to-digital converter (ADC) suitable for various applications. Key areas include sensor measurement, such as temperature, pressure, and load cell readings, due to its high precision and low noise capabilities. It's commonly used in industrial automation, portable medical instruments, and environmental monitoring systems. The device's low power consumption makes it ideal for battery-powered applications. Additionally, its high-resolution and integrated multiplexer capabilities are advantageous for data acquisition systems and test equipment.
Package
The ADS1220IPWR is a Texas Instruments precision analog-to-digital converter (ADC) in a TSSOP-16 package, which stands for Thin Shrink Small Outline Package with 16 pins. The "PWR" denotes the package is in a tape and reel format for automated assembly.