Overview
The LTC2452CDDB#TRPBF is an ultra-tiny, fully differential, 16-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is part of the LTC2452 series, known for its high precision and compact design. The LTC2452 uses a single supply voltage ranging from 2.7V to 5.5V and communicates through a 3-wire SPI interface. It is available in an 8-pin, 3mm × 2mm DFN package or an 8-pin TSOT-23 package, making it ideal for space-constrained applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-bit (including sign), no missing codes |
| Supply Voltage | 2.7V to 5.5V |
| Package | 8-pin DFN (3mm × 2mm w/ EP), 8-pin TSOT-23 |
| Conversion Rate | 60 conversions per second |
| Offset Error | ±2LSB |
| Full-Scale Error | ±4LSB |
| Supply Current | 800μA (active), 0.2μA (sleep) |
| Operating Temperature Range | -40°C to 125°C |
| Interface | 3-wire SPI |
| Integrated Oscillator | No external components required |
Key Features
- Ultra-tiny package options (8-pin DFN and TSOT-23) for space-constrained applications.
- Single-cycle operation with auto shutdown, reducing power consumption.
- Proprietary input sampling scheme that significantly reduces average input sampling current.
- Negligible current leakage between input pins.
- Continuous internal offset and full-scale calibration algorithms ensuring accuracy over time and temperature.
- External REF pin for adjustable reference voltage.
- Extremely relaxed anti-aliasing requirements due to a large oversampling ratio.
Applications
- System monitoring and environmental monitoring.
- Direct temperature measurements.
- Instrumentation and precision measurement systems.
- Industrial control and automation.
- Medical devices requiring high precision and low power consumption.
Q & A
- What is the resolution of the LTC2452CDDB#TRPBF?
The LTC2452CDDB#TRPBF has a 16-bit resolution, including sign, with no missing codes.
- What are the package options for the LTC2452CDDB#TRPBF?
The device is available in 8-pin DFN (3mm × 2mm w/ EP) and 8-pin TSOT-23 packages.
- What is the supply voltage range for the LTC2452CDDB#TRPBF?
The supply voltage range is from 2.7V to 5.5V.
- How many conversions per second can the LTC2452CDDB#TRPBF perform?
The device can perform 60 conversions per second.
- Does the LTC2452CDDB#TRPBF require an external oscillator?
No, the LTC2452CDDB#TRPBF includes an integrated oscillator that does not require any external components.
- What is the average supply current in active mode and sleep mode?
In active mode, the supply current is 800μA, and in sleep mode, it is 0.2μA.
- What are the operating temperature ranges for the LTC2452CDDB#TRPBF?
The operating temperature range is from -40°C to 125°C.
- What interface does the LTC2452CDDB#TRPBF use for communication?
The device communicates through a 3-wire SPI interface.
- Does the LTC2452CDDB#TRPBF have built-in calibration algorithms?
- What are some typical applications of the LTC2452CDDB#TRPBF?
Typical applications include system monitoring, environmental monitoring, direct temperature measurements, instrumentation, and medical devices.
