Overview
The LTC2461IDD from Analog Devices Inc. is an ultra-tiny, 16-bit analog-to-digital converter (ADC) designed for high precision and low power consumption. This delta-sigma ADC operates on a single 2.7V to 5.5V supply and communicates through an I2C interface. It is available in a 12-pin 3mm × 3mm DFN package, making it suitable for space-constrained applications. The LTC2461IDD features a single-ended input with a 0V to 1.25V input range and includes an integrated 1.25V precision reference with 2ppm/°C drift performance and 0.1% initial accuracy.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 16 |
| Sampling Rate | 60 samples per second (sps) |
| Input Type | Single-ended |
| Data Interface | I2C |
| Architecture | Delta-Sigma |
| Reference Type | Internal |
| Supply Voltage | 2.7V to 5.5V |
| Operating Temperature | -40°C to 85°C |
| Package | 12-pin DFN (Exposed Pad) |
Key Features
- High Precision: Integrated 1.25V precision reference with 2ppm/°C drift performance and 0.1% initial accuracy.
- Low Power Consumption: The device can automatically enter sleep mode, reducing power consumption to less than 0.2µA after a single conversion.
- I2C Interface: Communicates through a simple I2C interface, allowing for easy integration into various systems.
- Compact Package: Available in a 12-pin 3mm × 3mm DFN package, ideal for space-constrained applications.
- Selectable Address: The chip address can be controlled via the A0 pin, allowing multiple devices to be connected on the same I2C bus.
Applications
The LTC2461IDD is suitable for a variety of applications where high precision and low power consumption are critical. These include:
- Industrial Automation: For precise measurement and control in industrial environments.
- Medical Devices: For accurate and reliable data acquisition in medical equipment.
- Automotive Systems: For use in automotive sensors and control systems requiring high precision and low power.
- Consumer Electronics: For applications such as smart home devices and portable electronics where space and power efficiency are important.
Q & A
- What is the resolution of the LTC2461IDD ADC?
The LTC2461IDD is a 16-bit analog-to-digital converter.
- What is the input voltage range for the LTC2461IDD?
The input voltage range is 0V to 1.25V for the single-ended input.
- What is the supply voltage range for the LTC2461IDD?
The supply voltage range is 2.7V to 5.5V.
- What type of interface does the LTC2461IDD use?
The LTC2461IDD communicates through an I2C interface.
- What is the sampling rate of the LTC2461IDD?
The sampling rate is 60 samples per second (sps).
- What is the operating temperature range for the LTC2461IDD?
The operating temperature range is -40°C to 85°C.
- How does the LTC2461IDD manage power consumption?
The device can automatically enter sleep mode after a single conversion, reducing power consumption to less than 0.2µA.
- What type of package is the LTC2461IDD available in?
The LTC2461IDD is available in a 12-pin 3mm × 3mm DFN package.
- Can multiple LTC2461IDD devices be connected on the same I2C bus?
- What is the precision of the integrated reference in the LTC2461IDD?
The integrated reference has a 2ppm/°C drift performance and 0.1% initial accuracy.
