Overview
The LTC2451CTS8#TRMPBF is an ultra-tiny, 16-bit delta-sigma analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for high precision and low power consumption, making it suitable for a variety of applications. It operates on a single 2.7V to 5.5V supply and communicates through an I2C interface. The converter is available in an 8-pin TSOT-23 package and includes an integrated oscillator, eliminating the need for external components. It features a proprietary input sampling scheme that significantly reduces the average input sampling current compared to conventional ΔΣ converters.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Supply Voltage | 2.7V to 5.5V |
| Package | 8-Lead TSOT-23 |
| Operating Temperature Range | -40°C to 85°C |
| Conversion Rate | Up to 60 conversions per second |
| Input Voltage Range | VREF– to VREF+ |
| Interface | I2C |
| Power Consumption (Average) | < 50μW at 2.7V supply |
| Power Consumption (Sleep Mode) | < 0.2μA |
Key Features
- Ultra-tiny 8-pin TSOT-23 package
- Integrated oscillator, no external components required
- Proprietary input sampling scheme reducing average input sampling current
- Single-cycle settling time for multiplexed applications
- Continuous internal offset calibration algorithms
- Low power consumption with automatic sleep mode
- Relaxed antialiasing requirements due to high oversampling ratio
Applications
- Multiplexed data acquisition systems
- Industrial control and automation
- Medical devices requiring high precision and low power
- Environmental monitoring and sensing
- Aerospace and defense applications where size and power efficiency are critical
Q & A
- What is the resolution of the LTC2451CTS8#TRMPBF?
The LTC2451CTS8#TRMPBF has a resolution of 16 bits. - What is the operating supply voltage range for this ADC?
The operating supply voltage range is from 2.7V to 5.5V. - What type of package is the LTC2451CTS8#TRMPBF available in?
The device is available in an 8-pin TSOT-23 package. - What is the maximum conversion rate of the LTC2451CTS8#TRMPBF?
The device can perform up to 60 conversions per second. - How does the LTC2451CTS8#TRMPBF manage power consumption?
The device can automatically enter sleep mode, reducing power consumption to less than 0.2μA. When reading the ADC once per second, it consumes an average of less than 50μW from a 2.7V supply. - What interface does the LTC2451CTS8#TRMPBF use for communication?
The device communicates through an I2C interface. - Does the LTC2451CTS8#TRMPBF require external components for its oscillator?
No, the device includes an integrated oscillator and does not require any external components. - What is the input voltage range for the LTC2451CTS8#TRMPBF?
The input voltage can range from VREF– to VREF+. - What are some of the key applications for the LTC2451CTS8#TRMPBF?
Key applications include multiplexed data acquisition systems, industrial control, medical devices, environmental monitoring, and aerospace and defense. - How does the LTC2451CTS8#TRMPBF ensure accuracy over time and temperature?
The device includes continuous internal offset calibration algorithms that are transparent to the user, ensuring accuracy over time and the operating temperature range.
