Overview
The LTC2471IDD#PBF is a high-precision, 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the LTC2471 series, which includes small, low-power ADCs with integrated precision references. The LTC2471 is designed for single-ended input applications, featuring a 0V to VREF input range. It operates on a single 2.7V to 5.5V supply and communicates through an I2C interface.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Output Rate | Selectable: 208sps or 833sps |
| Input Range | 0V to VREF |
| Supply Voltage | 2.7V to 5.5V |
| Integrated Reference | 1.25V, 2ppm/°C drift, 0.1% initial accuracy |
| Package | 12-Lead DFN (3mm x 3mm w/ EP) |
| Interface | I2C |
| Power Down Current | 200nA (both ADC and reference powered down) |
Key Features
- High precision with 10ppm/°C maximum temperature coefficient of the integrated reference.
- Low power consumption with automatic power-down of the converter and reference after a single conversion.
- Proprietary input sampling scheme that significantly reduces average input current compared to conventional delta-sigma converters.
- No latency for multiplexed applications due to integrated oscillator.
- Compact 12-pin DFN or MSOP packages, suitable for space-constrained designs.
Applications
- Precision measurement systems requiring high accuracy and low power consumption.
- Industrial control and automation systems.
- Medical devices that demand precise analog-to-digital conversion.
- Environmental monitoring and data logging systems.
- Automotive and aerospace applications where reliability and precision are critical.
Q & A
- What is the resolution of the LTC2471IDD#PBF ADC?
The LTC2471IDD#PBF has a 16-bit resolution.
- What are the selectable output rates of the LTC2471IDD#PBF?
The output rates are selectable between 208sps and 833sps.
- What is the input range of the LTC2471IDD#PBF?
The input range is from 0V to VREF.
- What is the supply voltage range for the LTC2471IDD#PBF?
The supply voltage range is from 2.7V to 5.5V.
- Does the LTC2471IDD#PBF have an integrated reference?
Yes, it includes a 1.25V integrated reference with 2ppm/°C drift and 0.1% initial accuracy.
- What package options are available for the LTC2471IDD#PBF?
The device is available in 12-Lead DFN (3mm x 3mm w/ EP) and MSOP packages.
- How does the LTC2471IDD#PBF manage power consumption?
The device automatically powers down the converter and reference after a single conversion, reducing supply current to 200nA when both are powered down.
- What interface does the LTC2471IDD#PBF use for communication?
The device communicates through an I2C interface.
- Is there any latency in multiplexed applications for the LTC2471IDD#PBF?
No, the device includes an integrated oscillator that ensures no latency for multiplexed applications.
- How does the proprietary input sampling scheme benefit the LTC2471IDD#PBF?
The proprietary input sampling scheme significantly reduces the average input current compared to conventional delta-sigma converters.
