Overview
The LTC2450CDC#TRPBF, produced by Analog Devices Inc., is an ultra-tiny 16-bit delta-sigma analog-to-digital converter (ADC). This device is designed for high precision and ease of use, making it ideal for various measurement applications. It operates on a single 2.7V to 5.5V supply and features a single-ended analog input voltage range that extends from GND to VCC. The LTC2450 communicates through an SPI interface and includes an integrated oscillator, eliminating the need for external components. The converter is housed in a compact 6-pin, 2mm × 2mm DFN package.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Conversion Rate | Up to 30 conversions per second |
| Supply Voltage | 2.7V to 5.5V |
| Input Voltage Range | GND to VCC (single-ended, rail-to-rail) |
| Interface | SPI |
| Package | 6-Lead DFN (2mm x 2mm w/ EP) |
| Power Consumption (average at 1 sample/sec) | < 50µW from a 2.7V supply |
| Sleep Mode Power | < 200nA |
Key Features
- Ultra-tiny 16-bit delta-sigma ADC in a 6-pin, 2mm × 2mm DFN package.
- Single 2.7V to 5.5V supply operation.
- Single-ended analog input voltage range from GND to VCC.
- SPI interface for communication.
- Integrated oscillator requiring no external components.
- Proprietary input sampling scheme reducing average input sampling current significantly.
- Continuous internal offset and full-scale calibration algorithms ensuring accuracy over time and temperature.
- Extremely relaxed antialiasing requirements due to a large oversampling ratio.
- Automatic sleep mode reducing power to less than 200nA.
Applications
The LTC2450 is suitable for a variety of precision measurement applications, including but not limited to:
- Industrial automation and control systems.
- Medical devices requiring high accuracy and low power consumption.
- Environmental monitoring and sensing.
- Aerospace and defense applications where compact size and reliability are critical.
- Automotive systems needing precise analog-to-digital conversion.
Q & A
- What is the resolution of the LTC2450 ADC?
The LTC2450 is a 16-bit analog-to-digital converter.
- What is the conversion rate of the LTC2450?
The LTC2450 can perform up to 30 conversions per second.
- What is the supply voltage range for the LTC2450?
The LTC2450 operates on a single 2.7V to 5.5V supply.
- What type of interface does the LTC2450 use?
The LTC2450 communicates through an SPI interface.
- What is the package type and size of the LTC2450?
The LTC2450 is available in a 6-pin, 2mm × 2mm DFN package.
- How much power does the LTC2450 consume in sleep mode?
In sleep mode, the LTC2450 consumes less than 200nA.
- Does the LTC2450 require external components for its oscillator?
No, the LTC2450 includes an integrated oscillator that does not require any external components.
- What is the input voltage range of the LTC2450?
The input voltage range is from GND to VCC (single-ended, rail-to-rail).
- How does the LTC2450 manage calibration?
The LTC2450 includes continuous internal offset and full-scale calibration algorithms that are transparent to the user.
- What are some typical applications of the LTC2450?
The LTC2450 is used in industrial automation, medical devices, environmental monitoring, aerospace, and automotive systems.
