Overview
The LTC2461IMS#TRPBF is an ultra-tiny, 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the LTC2461 series and is known for its high precision and low power consumption. It features a single-ended input with a 0V to 1.25V input range and an integrated 1.25V precision reference with 2ppm/°C drift performance and 0.1% initial accuracy. The ADC communicates through a simple I2C interface and operates on a single 2.7V to 5.5V supply voltage.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-bit |
| Input Type | Single-ended |
| Input Range | 0V to 1.25V |
| Reference Voltage | 1.25V |
| Reference Drift | 2ppm/°C |
| Initial Accuracy | 0.1% |
| Supply Voltage | 2.7V to 5.5V |
| Interface | I2C |
| Conversion Time | Nominally 16.6 milliseconds |
| Package | 12-lead MSOP (3mm × 3mm DFN) |
| Operating Temperature | –40°C to 85°C |
| Average Input Sampling Current | 50nA |
Key Features
- Ultra-tiny 16-bit delta-sigma ADC with integrated precision reference.
- Single-ended input with 0V to 1.25V input range.
- Low power consumption with three distinct operation states: CONVERT, SLEEP/NAP, and DATA INPUT/OUTPUT.
- Proprietary input sampling scheme reducing average input current.
- Negligible leakage current between IN+ and IN–.
- External filter networks can interface directly to the ADC.
- Pin and software compatibility with LTC2463 differential input ADC.
Applications
The LTC2461IMS#TRPBF is suitable for various applications requiring high precision and low power consumption, such as:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Automotive systems, especially those requiring robust and reliable ADCs.
- Environmental monitoring and sensing applications.
- Any system needing precise analog-to-digital conversion with minimal power usage.
Q & A
- What is the resolution of the LTC2461IMS#TRPBF ADC?
The LTC2461IMS#TRPBF has a 16-bit resolution. - What is the input range of the LTC2461IMS#TRPBF?
The input range is 0V to 1.25V. - What is the reference voltage of the LTC2461IMS#TRPBF?
The reference voltage is 1.25V. - What is the drift performance of the integrated reference?
The drift performance is 2ppm/°C. - What is the initial accuracy of the reference?
The initial accuracy is 0.1%. - What is the supply voltage range for the LTC2461IMS#TRPBF?
The supply voltage range is 2.7V to 5.5V. - What interface does the LTC2461IMS#TRPBF use for communication?
The LTC2461IMS#TRPBF uses an I2C interface. - What is the typical conversion time of the LTC2461IMS#TRPBF?
The typical conversion time is nominally 16.6 milliseconds. - What is the average input sampling current of the LTC2461IMS#TRPBF?
The average input sampling current is 50nA. - In what package is the LTC2461IMS#TRPBF available?
The LTC2461IMS#TRPBF is available in a 12-lead MSOP (3mm × 3mm DFN) package.
