Overview
The LTC2460IDD#PBF is an ultra-tiny, 16-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is part of the LTC2460 series, known for its high precision and compact design. The LTC2460 is a single-ended ADC, while its counterpart, the LTC2462, is differential. Both converters utilize a single 2.7V to 5.5V supply and communicate through an SPI interface. They are integrated with a 1.25V precision reference, offering high accuracy and low drift performance.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Input Type | Single-Ended (LTC2460), Differential (LTC2462) |
| Input Range | 0V to VREF (LTC2460), ±VREF (LTC2462) |
| Supply Voltage | 2.7V to 5.5V |
| Conversion Rate | 60 conversions per second |
| Integrated Reference | 1.25V, 2ppm/°C drift, 0.1% initial accuracy |
| Offset Error | 2LSB |
| Gain Error | 0.01% |
| Supply Current | 1.5mA (active), 200nA (sleep) |
| Package | 12-pin DFN (3mm x 3mm), MSOP-12 |
| Interface | SPI |
Key Features
- Ultra-tiny package options (12-pin DFN 3mm x 3mm and MSOP-12)
- Integrated 1.25V precision reference with 2ppm/°C drift and 0.1% initial accuracy
- Single-ended (LTC2460) or differential (LTC2462) input configurations
- Low power consumption: 1.5mA active, 200nA sleep current
- Proprietary input sampling scheme reducing average input current significantly
- Continuous internal offset and full-scale calibration algorithms
- No external components required for the integrated oscillator
- Auto shutdown feature for both the ADC and reference after a single conversion
Applications
The LTC2460IDD#PBF is suitable for a variety of applications requiring high precision and low power consumption, such as:
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Aerospace and defense systems
- Automotive systems, especially those requiring precise sensor readings
- System monitoring and data acquisition systems
Q & A
- What is the resolution of the LTC2460IDD#PBF ADC?
The LTC2460IDD#PBF has a 16-bit resolution.
- What are the input configurations available for the LTC2460 and LTC2462?
The LTC2460 is single-ended, while the LTC2462 is differential.
- What is the supply voltage range for the LTC2460IDD#PBF?
The supply voltage range is 2.7V to 5.5V.
- How many conversions per second can the LTC2460IDD#PBF perform?
The LTC2460IDD#PBF can perform 60 conversions per second.
- What is the accuracy of the integrated reference in the LTC2460IDD#PBF?
The integrated reference has a 2ppm/°C drift and 0.1% initial accuracy.
- What are the package options available for the LTC2460IDD#PBF?
The device is available in 12-pin DFN (3mm x 3mm) and MSOP-12 packages.
- How does the LTC2460IDD#PBF reduce power consumption?
The device features a proprietary input sampling scheme that reduces average input current significantly and includes an auto shutdown feature after a single conversion.
- Does the LTC2460IDD#PBF require any external components for operation?
No, the LTC2460IDD#PBF does not require any external components for the integrated oscillator.
- What are some common applications for the LTC2460IDD#PBF?
Common applications include industrial automation, medical devices, aerospace and defense systems, automotive systems, and system monitoring.
- How does the LTC2460IDD#PBF ensure accuracy over time and temperature?
The device includes continuous internal offset and full-scale calibration algorithms.
