Overview
The LTC2473CDD#PBF is a high-precision, 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the LTC2471/LTC2473 family, which features integrated precision references and selectable output rates. The LTC2473 is specifically designed for differential input applications, offering a ±VREF input range. It operates on a single 2.7V to 5.5V supply and communicates through an I2C interface. The ADC is known for its low power consumption and high accuracy, making it suitable for a variety of precision measurement applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Input Type | Differential |
| Input Range | ±VREF |
| Output Rate | Selectable: 208sps or 833sps |
| Supply Voltage | 2.7V to 5.5V |
| Communication Interface | I2C |
| Integrated Reference | 1.25V with 2ppm/°C drift and 0.1% initial accuracy |
| Package | 12-Lead DFN (3mm x 3mm w/ EP) or MSOP-12 |
| Power Consumption | 200nA in power-down mode |
Key Features
- High Precision: The LTC2473 features an integrated 1.25V precision reference with 2ppm/°C drift and 0.1% initial accuracy.
- Low Power Consumption: The device automatically powers down the converter and reference after a single conversion, reducing supply current to 200nA.
- Selectable Output Rates: Offers selectable output rates of 208sps or 833sps.
- Proprietary Input Sampling Scheme: Reduces the average input current significantly compared to conventional delta-sigma converters.
- Compact Packaging: Available in 12-Lead DFN (3mm x 3mm w/ EP) or MSOP-12 packages.
Applications
- Precision Measurement Systems: Ideal for applications requiring high accuracy and low noise, such as industrial control systems, medical devices, and scientific instruments.
- Automotive Systems: Suitable for automotive applications due to its robust performance and low power consumption.
- Industrial Automation: Used in various industrial automation applications where precise analog-to-digital conversion is necessary.
- Environmental Monitoring: Can be used in environmental monitoring systems to measure parameters like temperature, pressure, and humidity with high precision.
Q & A
- What is the resolution of the LTC2473CDD#PBF ADC?
The LTC2473CDD#PBF has a resolution of 16 bits.
- What are the selectable output rates of the LTC2473CDD#PBF?
The output rates are selectable between 208sps and 833sps.
- What is the input type of the LTC2473CDD#PBF?
The input type is differential with a ±VREF input range.
- What is the supply voltage range for the LTC2473CDD#PBF?
The supply voltage range is from 2.7V to 5.5V.
- How does the LTC2473CDD#PBF reduce power consumption?
The device automatically powers down the converter and reference after a single conversion, reducing the supply current to 200nA.
- What is the package type of the LTC2473CDD#PBF?
The device is available in 12-Lead DFN (3mm x 3mm w/ EP) or MSOP-12 packages.
- What is the precision of the integrated reference in the LTC2473CDD#PBF?
The integrated reference has a 2ppm/°C drift and 0.1% initial accuracy.
- How does the proprietary input sampling scheme benefit the LTC2473CDD#PBF?
The proprietary input sampling scheme reduces the average input current significantly compared to conventional delta-sigma converters.
- What communication interface does the LTC2473CDD#PBF use?
The device communicates through an I2C interface.
- What are some typical applications of the LTC2473CDD#PBF?
Typical applications include precision measurement systems, automotive systems, industrial automation, and environmental monitoring.
