Overview
The LTC2473CMS#PBF is a high-precision, 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the LTC2473 series, which features selectable output rates and an integrated precision reference. The LTC2473 is designed for applications requiring high accuracy and low power consumption, making it suitable for a variety of industrial, medical, and communications applications.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16 bits |
| Output Rate | Selectable: 208sps or 833sps |
| Input Type | Differential (LTC2473), Single-ended (LTC2471) |
| Input Range | ±VREF (LTC2473), 0V to VREF (LTC2471) |
| Supply Voltage | 2.7V to 5.5V |
| Integrated Reference | 1.25V with 2ppm/°C drift and 0.1% initial accuracy |
| Package | 12-Lead MSOP or 12-Lead DFN (3mm × 3mm) |
| Communication Interface | I²C |
| Power Consumption | 200nA when both ADC and reference are powered down |
Key Features
- High Precision: The LTC2473 features a 16-bit resolution with an integrated precision reference that has 2ppm/°C drift performance and 0.1% initial accuracy.
- Selectable Output Rates: The device offers selectable output rates of 208sps or 833sps, making it versatile for various applications.
- Low Power Consumption: The ADC and reference can be powered down, reducing the supply current to 200nA.
- Proprietary Input Sampling Scheme: This scheme significantly reduces the average input current compared to conventional delta sigma converters.
- Integrated Oscillator: The device includes an integrated oscillator, enabling conversions with no latency for multiplexed applications.
Applications
The LTC2473CMS#PBF is suitable for a wide range of applications, including:
- Industrial Automation: High-precision measurement and control systems.
- Medical Devices: Accurate data acquisition in medical equipment such as patient monitoring systems and diagnostic devices.
- Communications Equipment: Precision data conversion in communication systems.
- Environmental Monitoring: Accurate measurement of environmental parameters like temperature, pressure, and humidity.
Q & A
- What is the resolution of the LTC2473CMS#PBF ADC?
The LTC2473CMS#PBF has a 16-bit resolution. - What are the selectable output rates of the LTC2473CMS#PBF?
The device offers selectable output rates of 208sps or 833sps. - What is the input type of the LTC2473CMS#PBF?
The LTC2473CMS#PBF is differential, while the LTC2471 is single-ended. - What is the supply voltage range for the LTC2473CMS#PBF?
The supply voltage range is 2.7V to 5.5V. - Does the LTC2473CMS#PBF have an integrated precision reference?
Yes, it includes a 1.25V integrated reference with 2ppm/°C drift and 0.1% initial accuracy. - What communication interface does the LTC2473CMS#PBF use?
The device uses an I²C interface. - How much power does the LTC2473CMS#PBF consume when powered down?
When both the ADC and reference are powered down, the supply current is reduced to 200nA. - What packages are available for the LTC2473CMS#PBF?
The device is available in 12-Lead MSOP or 12-Lead DFN (3mm × 3mm) packages. - Does the LTC2473CMS#PBF have any special power-saving features?
Yes, it includes a proprietary input sampling scheme that reduces the average input current significantly. - Is the LTC2473CMS#PBF suitable for multiplexed applications?
Yes, it includes an integrated oscillator and performs conversions with no latency for multiplexed applications.
