Overview
The LTC2470IDD#TRPBF is a 16-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is part of the LTC2470 series, known for its high precision and compact design. The LTC2470 is a single-ended ADC with a selectable output rate of either 208 samples per second (sps) or 833 sps. It features an integrated precision reference and communicates through a SPI interface. The device operates on a single supply voltage ranging from 2.7V to 5.5V and is available in a 12-pin DFN package with a small footprint of 3mm x 3mm.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | LTC2470IDD#TRPBF |
| Brand Name | Analog Devices |
| Package Description | 12-Lead DFN (3mm x 3mm) |
| Pin Count | 12 |
| Number of Bits | 16 |
| Converter Type | Delta-Sigma ADC |
| Output Rate | Selectable: 208 sps or 833 sps |
| Supply Voltage | 2.7V to 5.5V |
| Operating Temperature Range | -40°C to 85°C |
| Integrated Reference Voltage | 1.25V with 2ppm/°C drift performance |
| Input Range | 0V to VREF |
| Output Format | SERIAL, BINARY |
| Interface | SPI |
| Supply Current | 3.5mA (Typical), 200nA (Power Down) |
Key Features
- High Precision Reference: Integrated 1.25V reference with 2ppm/°C drift performance and 0.1% initial accuracy.
- Selectable Output Rate: User-selectable output rates of 208 sps or 833 sps.
- Low Power Consumption: Automatic power-down of the converter and reference after a single conversion, reducing supply current to 200nA.
- Compact Package: Available in a 12-pin DFN package with a small footprint of 3mm x 3mm.
- Relaxed Anti-Aliasing Requirements: Due to a large oversampling ratio (8,192 at 208 sps and 2,048 at 833 sps).
- Proprietary Input Sampling Scheme: Reduces the average input current several orders of magnitude compared to conventional delta-sigma converters.
- Single Supply Operation: Operates on a single supply voltage ranging from 2.7V to 5.5V.
- SPI Interface: Communicates through a SPI interface for easy integration into various systems.
Applications
The LTC2470IDD#TRPBF is suitable for a variety of applications requiring high precision and low power consumption, such as:
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: Where high accuracy and reliability are crucial.
- Environmental Monitoring: For measuring temperature, pressure, and other environmental parameters.
- Aerospace and Defense: In systems requiring high precision and robustness.
- Automotive Systems: For various sensor and control applications in vehicles.
Q & A
- What is the resolution of the LTC2470IDD#TRPBF ADC?
The LTC2470IDD#TRPBF has a resolution of 16 bits.
- What are the selectable output rates of the LTC2470IDD#TRPBF?
The output rates are selectable between 208 sps and 833 sps.
- What is the supply voltage range for the LTC2470IDD#TRPBF?
The supply voltage range is from 2.7V to 5.5V.
- What type of interface does the LTC2470IDD#TRPBF use?
The LTC2470IDD#TRPBF communicates through a SPI interface.
- What is the operating temperature range of the LTC2470IDD#TRPBF?
The operating temperature range is from -40°C to 85°C.
- Does the LTC2470IDD#TRPBF have an integrated reference?
Yes, it includes a 1.25V integrated reference with 2ppm/°C drift performance and 0.1% initial accuracy.
- How does the LTC2470IDD#TRPBF manage power consumption?
The device automatically powers down the converter and reference after a single conversion, reducing supply current to 200nA.
- What is the package type and size of the LTC2470IDD#TRPBF?
The device is available in a 12-pin DFN package with a footprint of 3mm x 3mm.
- What are the key benefits of the proprietary input sampling scheme in the LTC2470IDD#TRPBF?
The proprietary input sampling scheme reduces the average input current several orders of magnitude compared to conventional delta-sigma converters.
- Are there any specific applications where the LTC2470IDD#TRPBF is particularly suitable?
Yes, it is suitable for applications such as industrial automation, medical devices, environmental monitoring, aerospace and defense, and automotive systems.
