Overview
The LTC2471CDD#TRPBF is a high-precision, 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the LTC2471 series, which features integrated precision references and selectable output rates. The LTC2471 is designed for single-ended input applications, with an input range of 0V to VREF, and it communicates through an I2C interface. It operates on a single 2.7V to 5.5V supply and is available in a compact 12-pin DFN package, measuring 3mm x 3mm.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | LTC2471CDD#TRPBF |
| Package Type | 12-Lead DFN (3mm x 3mm w/ EP) |
| Number of Bits | 16 |
| Converter Type | Delta-Sigma ADC |
| Output Rate | Selectable 208sps/833sps |
| Supply Voltage | 2.7V to 5.5V |
| Input Range | 0V to VREF |
| Integrated Reference | 1.25V, 2ppm/°C drift, 0.1% initial accuracy |
| Operating Temperature | -40°C to 70°C (Commercial Grade) |
| Interface | I2C |
| Power Down Current | 200nA (both ADC and reference powered down) |
Key Features
- High Precision: The LTC2471 features a 16-bit resolution with a high-precision integrated reference, offering 2ppm/°C drift performance and 0.1% initial accuracy.
- Selectable Output Rates: The device allows for selectable output rates of 208sps or 833sps, making it versatile for various applications.
- Low Power Consumption: After a single conversion, the ADC and reference can be powered down, reducing the supply current to 200nA.
- Compact Package: Available in a 12-pin DFN package measuring 3mm x 3mm, making it suitable for space-constrained designs.
- No Latency Conversions: The device includes an integrated oscillator and performs conversions with no latency, ideal for multiplexed applications.
- Proprietary Input Sampling Scheme: Reduces the average input current significantly compared to conventional delta-sigma converters.
Applications
- Industrial Automation: Suitable for precision measurement and control systems in industrial environments.
- Medical Devices: Ideal for medical equipment requiring high precision and low power consumption.
- Aerospace and Defense: Used in applications where high accuracy and reliability are critical.
- Automotive Systems: Applicable in automotive sensors and control systems that demand precision and reliability.
- Test and Measurement Equipment: Utilized in various test and measurement instruments requiring high precision ADCs.
Q & A
- What is the resolution of the LTC2471CDD#TRPBF ADC?
The LTC2471CDD#TRPBF has a 16-bit resolution.
- What are the selectable output rates of the LTC2471CDD#TRPBF?
The device offers selectable output rates of 208sps or 833sps.
- What is the input range of the LTC2471CDD#TRPBF?
The input range is 0V to VREF.
- What is the supply voltage range for the LTC2471CDD#TRPBF?
The supply voltage range is 2.7V to 5.5V.
- How does the LTC2471CDD#TRPBF reduce power consumption?
After a single conversion, the ADC and reference can be powered down, reducing the supply current to 200nA.
- What is the package type and size of the LTC2471CDD#TRPBF?
The device is available in a 12-pin DFN package measuring 3mm x 3mm.
- What is the operating temperature range of the LTC2471CDD#TRPBF?
The operating temperature range is -40°C to 70°C (Commercial Grade).
- What interface does the LTC2471CDD#TRPBF use for communication?
The device communicates through an I2C interface.
- Does the LTC2471CDD#TRPBF have any special power-saving features?
Yes, it includes a proprietary input sampling scheme that reduces the average input current significantly.
- What is the precision of the integrated reference in the LTC2471CDD#TRPBF?
The integrated reference has a 2ppm/°C drift performance and 0.1% initial accuracy.
