Overview
The LTC2451CTS8#TRPBF is an ultra-tiny, 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the LTC2451 series and is known for its compact design and high precision. It operates on a single 2.7V to 5.5V supply and features an I2C interface for communication. The converter is available in an 8-pin TSOT-23 package, making it ideal for space-constrained applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Supply Voltage | 2.7V to 5.5V |
| Package Type | 8-Lead TSOT-23 |
| Conversion Rate | Up to 60 conversions per second |
| Input Voltage Range | VREF– to VREF+ (can be GND to VCC if VREF+ = VCC and VREF– = GND) |
| Power Consumption | < 0.2μA in sleep mode, < 50μW average at 2.7V supply and 1 conversion per second |
| Interface | I2C |
| Converter Core | Delta-sigma modulator |
Key Features
- Ultra-Tiny Package: Available in an 8-pin TSOT-23 package, making it suitable for compact designs.
- Integrated Oscillator: Does not require any external components for operation.
- Low Power Consumption: Enters sleep mode after a single conversion, reducing power to less than 0.2μA.
- High Accuracy: Continuous internal offset calibration algorithms ensure accuracy over time and temperature.
- Relaxed Antialiasing Requirements: Due to the large oversampling ratio, antialiasing filter requirements are significantly reduced.
- Proprietary Input Sampling Scheme: Reduces the average input sampling current several orders of magnitude lower than conventional ΔΣ converters.
Applications
The LTC2451CTS8#TRPBF is suitable for a variety of applications where high precision and low power consumption are critical. These include:
- Industrial automation and control systems.
- Medical devices requiring precise analog-to-digital conversion.
- Portable and battery-powered devices where power efficiency is essential.
- Sensor interfaces and data acquisition systems.
- Automotive and aerospace applications where compact size and reliability are important.
Q & A
- What is the resolution of the LTC2451CTS8#TRPBF ADC?
The LTC2451CTS8#TRPBF has a resolution of 16 bits.
- What is the supply voltage range for the LTC2451CTS8#TRPBF?
The supply voltage range is from 2.7V to 5.5V.
- What type of package is the LTC2451CTS8#TRPBF available in?
The device is available in an 8-pin TSOT-23 package.
- What is the maximum conversion rate of the LTC2451CTS8#TRPBF?
The maximum conversion rate is up to 60 conversions per second.
- How does the LTC2451CTS8#TRPBF manage power consumption?
The device can enter sleep mode after a single conversion, reducing power to less than 0.2μA. It consumes an average of less than 50μW from a 2.7V supply when reading the ADC once per second.
- What type of converter core does the LTC2451CTS8#TRPBF use?
The converter core is a delta-sigma modulator.
- Does the LTC2451CTS8#TRPBF require external components for its oscillator?
No, the LTC2451CTS8#TRPBF has an integrated oscillator that does not require any external components.
- How does the LTC2451CTS8#TRPBF ensure accuracy over time and temperature?
The device includes continuous internal offset calibration algorithms that ensure accuracy over time and temperature.
- What is the input voltage range for the LTC2451CTS8#TRPBF?
The input voltage range is from VREF– to VREF+, which can be set to GND to VCC if VREF+ = VCC and VREF– = GND.
- What interface does the LTC2451CTS8#TRPBF use for communication?
The device uses an I2C interface for communication.
