Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| NumberofBits | 16 |
| SamplingRate(PerSecond) | 2k |
| NumberofInputs | 4 |
| InputType | Differential, Single Ended |
| DataInterface | SPI |
| Configuration | MUX-PGA-ADC |
| Ratio-S/H:ADC | 0:1 |
| NumberofA/DConverters | 1 |
| Architecture | Sigma-Delta |
| Voltage-SupplyAnalog | 2.3V ~ 5.5V, ±2.3V ~ 2.75V |
| Voltage-SupplyDigital | 2.3V ~ 5.5V |
| Features | PGA, Temperature Sensor |
| OperatingTemperature | -40°C ~ 125°C |
| Package/Case | 16-VFQFN Exposed Pad |
| SupplierDevicePackage | 16-VQFN (3.5x3.5) |
Обзор
Description
The ADS1120IRVAR is a precision, low-power, 16-bit analog-to-digital converter (ADC) from Texas Instruments. It is designed for applications requiring high-resolution data acquisition, such as sensor measurements and industrial process control. The device supports a wide supply range from 2.3V to 5.5V and features a low noise programmable gain amplifier (PGA), a digital filter, and an internal oscillator, eliminating the need for external components.
Key features of the ADS1120IRVAR include a programmable data rate of up to 2 kSPS, two differential or four single-ended inputs, and an integrated temperature sensor. The ADC also provides a selectable 2.048V internal reference, reducing external component count. It communicates via an SPI-compatible interface, making integration with microcontrollers straightforward.
The device is housed in a small VQFN package, making it suitable for space-constrained applications. With its low power consumption and enhanced performance, the ADS1120IRVAR is an ideal choice for portable and battery-powered devices that require precise and reliable data conversion.
Key features of the ADS1120IRVAR include a programmable data rate of up to 2 kSPS, two differential or four single-ended inputs, and an integrated temperature sensor. The ADC also provides a selectable 2.048V internal reference, reducing external component count. It communicates via an SPI-compatible interface, making integration with microcontrollers straightforward.
The device is housed in a small VQFN package, making it suitable for space-constrained applications. With its low power consumption and enhanced performance, the ADS1120IRVAR is an ideal choice for portable and battery-powered devices that require precise and reliable data conversion.
Equivalent
The ADS1120IRVAR is a precision 16-bit, 2-channel analog-to-digital converter (ADC) by Texas Instruments. Equivalent products include:
1. ADC121S021 by Texas Instruments
2. MCP3422 by Microchip Technology
3. AD7791 by Analog Devices
4. LTC2485 by Analog Devices (formerly Linear Technology)
These alternatives offer similar functionalities like high resolution and low power consumption, though specific features and performance metrics may vary. Always check datasheets to ensure compatibility with your application.
1. ADC121S021 by Texas Instruments
2. MCP3422 by Microchip Technology
3. AD7791 by Analog Devices
4. LTC2485 by Analog Devices (formerly Linear Technology)
These alternatives offer similar functionalities like high resolution and low power consumption, though specific features and performance metrics may vary. Always check datasheets to ensure compatibility with your application.
Features
The ADS1120IRVAR is a precision, 16-bit analog-to-digital converter (ADC) designed for low-power and high-resolution applications. Key features include:
1. Resolution: 16-bit ADC providing high precision.
2. Input Channels: 4-channel input multiplexer, allowing for multiple inputs.
3. Low Power Consumption: Optimized for battery-powered applications with a low current draw.
4. Data Rate: Programmable data rates up to 2 kSPS, providing flexibility between speed and power efficiency.
5. PGA (Programmable Gain Amplifier): Integrated PGA that supports gains from 1 to 128, enabling small signal measurement.
6. Low Noise: Designed for low-noise performance, enhancing signal clarity.
7. Internal Reference: Includes an internal reference voltage, simplifying circuit design.
8. Temperature Sensor: Built-in temperature sensor for monitoring environmental conditions.
9. Supply Voltage: Operates from a single supply voltage ranging from 2.3 V to 5.5 V.
10. I2C Interface: Uses an I2C digital interface for communication, simplifying integration with microcontrollers.
11. Package: Available in a small VSSOP package, suitable for space-constrained applications.
These features make the ADS1120IRVAR suitable for various applications, including sensor measurement, portable devices, and industrial automation.
1. Resolution: 16-bit ADC providing high precision.
2. Input Channels: 4-channel input multiplexer, allowing for multiple inputs.
3. Low Power Consumption: Optimized for battery-powered applications with a low current draw.
4. Data Rate: Programmable data rates up to 2 kSPS, providing flexibility between speed and power efficiency.
5. PGA (Programmable Gain Amplifier): Integrated PGA that supports gains from 1 to 128, enabling small signal measurement.
6. Low Noise: Designed for low-noise performance, enhancing signal clarity.
7. Internal Reference: Includes an internal reference voltage, simplifying circuit design.
8. Temperature Sensor: Built-in temperature sensor for monitoring environmental conditions.
9. Supply Voltage: Operates from a single supply voltage ranging from 2.3 V to 5.5 V.
10. I2C Interface: Uses an I2C digital interface for communication, simplifying integration with microcontrollers.
11. Package: Available in a small VSSOP package, suitable for space-constrained applications.
These features make the ADS1120IRVAR suitable for various applications, including sensor measurement, portable devices, and industrial automation.
Pinout
The ADS1120IRVAR is a precision, 16-bit analog-to-digital converter (ADC) from Texas Instruments. It features a 10-pin VSON (very small outline no-lead) package. The pin count and functions are as follows:
1. AVDD: Analog power supply.
2. GND: Ground.
3. AIN0: Analog input channel 0.
4. AIN1: Analog input channel 1.
5. AIN2: Analog input channel 2.
6. AIN3: Analog input channel 3.
7. DRDY/DOUT: Data ready output / data output.
8. SCLK: Serial clock input.
9. DIN: Data input.
10. CS: Chip select.
The ADS1120IRVAR is used for measuring small differential signals with low noise and high precision, making it suitable for applications such as sensor and temperature measurements.
1. AVDD: Analog power supply.
2. GND: Ground.
3. AIN0: Analog input channel 0.
4. AIN1: Analog input channel 1.
5. AIN2: Analog input channel 2.
6. AIN3: Analog input channel 3.
7. DRDY/DOUT: Data ready output / data output.
8. SCLK: Serial clock input.
9. DIN: Data input.
10. CS: Chip select.
The ADS1120IRVAR is used for measuring small differential signals with low noise and high precision, making it suitable for applications such as sensor and temperature measurements.
Manufacturer
The ADS1120IRVAR is manufactured by Texas Instruments Incorporated, commonly known as TI. Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components, including integrated circuits, processors, and sensors. TI is known for its innovations in the field of analog technology, embedded processors, and wireless communication. The company provides solutions for various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is headquartered in Dallas, Texas, and is one of the largest semiconductor companies in the world.
Application
The ADS1120IRVAR is a precision 16-bit analog-to-digital converter (ADC) used in various applications. Key areas include:
1. Industrial Automation: For precise sensor data acquisition, including temperature, pressure, and flow measurements.
2. Medical Devices: For accurate readings in diagnostics and monitoring equipment, such as ECG and blood pressure monitors.
3. Consumer Electronics: In devices requiring precise sensor interfacing, like digital scales and environmental sensing.
4. Energy Management: Used in monitoring systems for solar panels and battery management.
5. Instrumentation: In test and measurement equipment for accurate data conversion.
Its low power consumption and high precision make it suitable for battery-operated and portable devices.
1. Industrial Automation: For precise sensor data acquisition, including temperature, pressure, and flow measurements.
2. Medical Devices: For accurate readings in diagnostics and monitoring equipment, such as ECG and blood pressure monitors.
3. Consumer Electronics: In devices requiring precise sensor interfacing, like digital scales and environmental sensing.
4. Energy Management: Used in monitoring systems for solar panels and battery management.
5. Instrumentation: In test and measurement equipment for accurate data conversion.
Its low power consumption and high precision make it suitable for battery-operated and portable devices.
Package
The ADS1120IRVAR is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package). TSSOP packages are known for their compact size and low profile, making them ideal for space-constrained applications.
