Overview
The LTC2471IMS#PBF 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 includes the LTC2471 and LTC2473 models. The LTC2471IMS#PBF is a single-ended ADC with a 0V to VREF input range, making it suitable for a variety of precision measurement applications. It features a selectable output rate of 208sps or 833sps and communicates through an I2C interface. The integrated precision reference and low power consumption make this ADC an excellent choice for applications requiring high accuracy and minimal power usage.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Output Rate | Selectable: 208sps or 833sps |
| Input Range | 0V to VREF |
| Reference Voltage | 1.25V integrated reference |
| Reference Drift | 2ppm/°C |
| Initial Accuracy | 0.1% |
| Supply Voltage | 2.7V to 5.5V |
| Package | 12-Lead MSOP |
| Operating Temperature Range | -40°C to 85°C |
| Power Down Current | 200nA (both ADC and reference powered down) |
Key Features
- High Precision: Integrated 1.25V reference with 2ppm/°C drift and 0.1% initial accuracy.
- Low Power Consumption: Automatic power down of the converter and reference, reducing supply current to 200nA.
- Low Input Current: Proprietary input sampling scheme reduces average input current significantly.
- No Latency: Conversions performed with no latency, suitable for multiplexed applications.
- I2C Interface: Easy communication through a standard I2C interface.
- Compact Package: Available in a 12-pin MSOP package, ideal for space-constrained designs.
Applications
- Precision Measurement Systems: Ideal for applications requiring high accuracy, such as industrial control systems, medical devices, and scientific instruments.
- Industrial Automation: Suitable for monitoring and control in industrial environments.
- Environmental Monitoring: Can be used in weather stations, air quality monitors, and other environmental monitoring systems.
- Medical Devices: Applicable in medical equipment that requires precise analog-to-digital conversion.
- Aerospace and Defense: Used in various aerospace and defense applications where high precision and reliability are critical.
Q & A
- What is the resolution of the LTC2471IMS#PBF ADC?
The LTC2471IMS#PBF has a resolution of 16 bits.
- What are the selectable output rates of the LTC2471IMS#PBF?
The output rates are selectable between 208sps and 833sps.
- What is the input range of the LTC2471IMS#PBF?
The input range is from 0V to VREF.
- What is the drift performance of the integrated reference?
The integrated reference has a drift performance of 2ppm/°C.
- How does the LTC2471IMS#PBF manage power consumption?
The device automatically powers down the converter and reference, reducing the supply current to 200nA when both are powered down.
- What type of interface does the LTC2471IMS#PBF use for communication?
The device communicates through an I2C interface.
- What is the package type of the LTC2471IMS#PBF?
The device is available in a 12-Lead MSOP package.
- What is the operating temperature range of the LTC2471IMS#PBF?
The operating temperature range is from -40°C to 85°C.
- Does the LTC2471IMS#PBF have any latency in conversions?
No, the device performs conversions with no latency, making it suitable for multiplexed applications.
- How does the proprietary input sampling scheme benefit the LTC2471IMS#PBF?
The proprietary input sampling scheme reduces the average input current several orders of magnitude compared to conventional delta sigma converters.
