Overview
The LTC2451ITS8#TRMPBF is an ultra-tiny, 16-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This converter is designed for high performance in a compact package, making it ideal for space-constrained applications. It operates on a single 2.7V to 5.5V supply and communicates through an I2C interface. The LTC2451ITS8#TRMPBF features an integrated oscillator, eliminating the need for external components, and utilizes a delta-sigma modulator as its converter core, ensuring low latency and high accuracy.
Key Specifications
| Series | LTC2451 |
|---|---|
| Package / Case | 8-Lead SOT-23 |
| Resolution | 16 bit |
| Number of Channels | 1 Channel |
| Input Type | Single-ended |
| Architecture | Sigma-Delta |
| Analog Supply Voltage | 2.7 V to 5.5 V |
| Sampling Rate | Up to 60 S/s |
| DNL - Differential Nonlinearity | 1 LSB |
| INL - Integral Nonlinearity | 2 LSB |
| Pd - Power Dissipation | 4 mW |
| Shutdown | Auto Shutdown |
| Supply Current | 400 μA |
| Sleep Current | 0.2 μA |
Key Features
- Ultra-tiny 8-pin DFN or TSOT-23 package, suitable for space-constrained applications.
- Single 2.7V to 5.5V supply operation.
- I2C interface for communication.
- Integrated oscillator, eliminating the need for external components.
- Delta-sigma modulator as the converter core, ensuring low latency and high accuracy.
- Proprietary input sampling scheme that significantly reduces the average input sampling current.
- Single-cycle settling time for multiplexed applications.
- Continuous internal offset calibration algorithms to ensure accuracy over time and temperature.
- Low power consumption with an average power of less than 50 μW from a 2.7V supply when reading the ADC once per second.
Applications
- System Monitoring: Ideal for monitoring system parameters due to its high accuracy and low power consumption.
- Environmental Monitoring: Suitable for measuring environmental parameters such as temperature, humidity, and pressure.
- Direct Temperature Measurements: Can be used in applications requiring precise temperature measurements.
- Instrumentation: Used in various instrumentation applications where high precision and low noise are required.
Q & A
- What is the resolution of the LTC2451ITS8#TRMPBF ADC?
The LTC2451ITS8#TRMPBF has a resolution of 16 bits.
- What is the operating voltage range of the LTC2451ITS8#TRMPBF?
The operating voltage range is from 2.7V to 5.5V.
- What type of interface does the LTC2451ITS8#TRMPBF use for communication?
The LTC2451ITS8#TRMPBF uses an I2C interface for communication.
- What is the maximum sampling rate of the LTC2451ITS8#TRMPBF?
The maximum sampling rate is up to 60 conversions per second.
- Does the LTC2451ITS8#TRMPBF require external components for its oscillator?
No, the LTC2451ITS8#TRMPBF has an integrated oscillator that does not require any external components.
- What is the power consumption of the LTC2451ITS8#TRMPBF in sleep mode?
The power consumption in sleep mode is less than 0.2 μA.
- What type of modulator does the LTC2451ITS8#TRMPBF use as its converter core?
The LTC2451ITS8#TRMPBF uses a delta-sigma modulator as its converter core.
- How does the LTC2451ITS8#TRMPBF manage input sampling current?
The LTC2451ITS8#TRMPBF includes a proprietary input sampling scheme that significantly reduces the average input sampling current.
- What are the key applications of the LTC2451ITS8#TRMPBF?
The key applications include system monitoring, environmental monitoring, direct temperature measurements, and instrumentation.
- Does the LTC2451ITS8#TRMPBF have built-in calibration algorithms?
Yes, the LTC2451ITS8#TRMPBF includes continuous internal offset calibration algorithms to ensure accuracy over time and temperature.
