Overview
The LTC2452CTS8#TRMPBF is an ultra-tiny, fully differential, 16-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is designed for high precision and compactness, making it ideal for various applications requiring accurate analog-to-digital conversion. The LTC2452 uses a single supply voltage ranging from 2.7V to 5.5V and communicates through an SPI interface. It is available in two compact package options: an 8-pin, 3mm x 2mm DFN package and an 8-pin TSOT-23 package.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16-bit (including sign), no missing codes |
| Supply Voltage | 2.7V to 5.5V |
| Interface | SPI |
| Package Options | 8-pin, 3mm x 2mm DFN, 8-pin TSOT-23 |
| Conversion Rate | 60 conversions per second |
| Offset Error | 2LSB |
| Full-Scale Error | 4LSB |
| Supply Current | 800μA (active), 0.2μA (sleep) |
| Oscillator | Internal, no external components required |
| Operating Temperature Range | 0°C to 70°C (commercial), -40°C to 85°C (industrial) |
Key Features
- Ultra-tiny package options (3mm x 2mm DFN and TSOT-23) for space-constrained applications.
- Proprietary input sampling scheme that significantly reduces average input sampling current.
- No latency for multiplexed applications due to its delta-sigma modulator core.
- Continuous internal offset and full-scale calibration algorithms ensuring accuracy over time and temperature.
- External REF pin for flexible differential input voltage range.
- Single-cycle operation with auto shutdown, reducing supply current to less than 0.2μA in sleep mode.
- Negligible current leakage between input pins.
- Relaxed anti-aliasing requirements due to a large oversampling ratio.
Applications
- System Monitoring: Ideal for monitoring system parameters such as voltage, current, and temperature.
- Environmental Monitoring: Suitable for measuring environmental parameters like humidity, pressure, and temperature.
- Direct Temperature Measurements: Can be used for direct temperature sensing applications.
- Instrumentation: Used in various instrumentation applications requiring high precision and compact design.
- Industrial Automation: Applicable in industrial automation systems for precise data acquisition.
Q & A
- What is the resolution of the LTC2452CTS8#TRMPBF ADC?
The LTC2452CTS8#TRMPBF has a 16-bit resolution, including sign, with no missing codes.
- What are the package options available for the LTC2452CTS8#TRMPBF?
The device is available in 8-pin, 3mm x 2mm DFN and 8-pin TSOT-23 packages.
- What is the conversion rate of the LTC2452CTS8#TRMPBF?
The LTC2452CTS8#TRMPBF can sample at 60 conversions per second.
- Does the LTC2452CTS8#TRMPBF require an external oscillator?
No, the LTC2452CTS8#TRMPBF includes an integrated oscillator that does not require any external components.
- What is the supply current of the LTC2452CTS8#TRMPBF in active and sleep modes?
The supply current is 800μA in active mode and less than 0.2μA in sleep mode.
- What are the operating temperature ranges for the LTC2452CTS8#TRMPBF?
The operating temperature ranges are 0°C to 70°C (commercial) and -40°C to 85°C (industrial).
- How does the LTC2452CTS8#TRMPBF handle input sampling current?
The device uses a proprietary input sampling scheme that reduces the average input sampling current several orders of magnitude compared to conventional delta-sigma converters.
- What calibration features does the LTC2452CTS8#TRMPBF include?
The LTC2452CTS8#TRMPBF includes continuous internal offset and full-scale calibration algorithms that are transparent to the user.
- What are some typical applications of the LTC2452CTS8#TRMPBF?
Typical applications include system monitoring, environmental monitoring, direct temperature measurements, instrumentation, and industrial automation.
- How does the LTC2452CTS8#TRMPBF manage anti-aliasing requirements?
The device has extremely relaxed anti-aliasing requirements due to its large oversampling ratio.
