Overview
The LTC2470CDD#PBF is a high-precision, 16-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is part of the LTC2470 series, which includes selectable output rates of 208sps or 833sps. It is designed for applications requiring high accuracy and low power consumption. The LTC2470CDD#PBF features an integrated precision reference and communicates through an SPI interface, making it suitable for a variety of system monitoring and data acquisition applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Output Rate | Selectable: 208sps or 833sps |
| Supply Voltage | 2.7V to 5.5V |
| Input Type | Single-Ended (LTC2470) |
| Input Range | 0V to VREF |
| Integrated Reference | 1.25V, 2ppm/°C drift, 0.1% initial accuracy |
| Offset Error | 1mV |
| Gain Error | 0.01% |
| Supply Current | 3.5mA (Typ), 2μA (Max) in sleep mode |
| Package | 12-Lead DFN (3mm x 3mm w/ EP), 12-Lead MSOP |
| Operating Temperature Range | 0°C to 70°C |
| Storage Temperature Range | -65°C to 150°C |
Key Features
- High accuracy with an integrated 1.25V reference having 2ppm/°C drift and 0.1% initial accuracy.
- Selectable output rates of 208sps or 833sps.
- Single-ended input (LTC2470) or differential input (LTC2472).
- Low power consumption with automatic shutdown after a single conversion, reducing supply current to 200nA.
- Proprietary input sampling scheme that reduces average input current significantly.
- No external components required due to the integrated oscillator.
- Small 12-lead DFN or MSOP packages.
- SPI interface for communication.
Applications
- System monitoring and data acquisition systems.
- Industrial automation and control systems.
- Medical devices requiring high precision and low power consumption.
- Environmental monitoring and sensing applications.
- Aerospace and defense systems where precision and reliability are critical.
Q & A
- What is the resolution of the LTC2470CDD#PBF ADC?
The LTC2470CDD#PBF has a 16-bit resolution.
- What are the selectable output rates of the LTC2470CDD#PBF?
The output rates are selectable between 208sps and 833sps.
- What is the supply voltage range for the LTC2470CDD#PBF?
The supply voltage range is from 2.7V to 5.5V.
- What type of input does the LTC2470CDD#PBF support?
The LTC2470CDD#PBF supports single-ended inputs.
- What is the accuracy of the integrated reference in the LTC2470CDD#PBF?
The integrated reference has a 2ppm/°C drift and 0.1% initial accuracy.
- How does the LTC2470CDD#PBF manage power consumption?
The device automatically powers down after a single conversion, reducing supply current to 200nA.
- What communication interface does the LTC2470CDD#PBF use?
The device communicates through an SPI interface.
- What are the available package options for the LTC2470CDD#PBF?
The device is available in 12-lead DFN (3mm x 3mm w/ EP) and 12-lead MSOP packages.
- What is the operating temperature range for the LTC2470CDD#PBF?
The operating temperature range is from 0°C to 70°C.
- What are some typical applications of the LTC2470CDD#PBF?
Typical applications include system monitoring, industrial automation, medical devices, environmental monitoring, and aerospace and defense systems.
