Overview
The LTC2451CDDB#TRPBF is an ultra-tiny, 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 LTC2451 uses a single 2.7V to 5.5V supply and communicates through an I²C interface. It is available in an 8-pin, 3mm x 2mm DFN package or an 8-pin TSOT-23 package.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 16 |
| Supply Voltage (VCC) | 2.7V to 5.5V |
| Input Type | Single-Ended |
| Input Voltage Range | GND to VCC |
| Sampling Rate | Up to 60 conversions per second |
| Data Interface | I²C |
| Package Type | 8-Lead DFN (3mm x 2mm w/ EP) or 8-Lead TSOT-23 |
| Operating Temperature Range | 0°C to 70°C |
| Supply Current | 400µA (active), 0.2µA (sleep) |
| Architecture | Sigma-Delta |
Key Features
- Ultra-tiny package options: 8-pin DFN (3mm x 2mm) or TSOT-23.
- Single 2.7V to 5.5V supply operation.
- Single-ended analog input voltage range from GND to VCC.
- I²C interface for communication.
- Integrated oscillator; no external components required.
- Delta-sigma modulator as the converter core.
- Single-cycle settling time for multiplexed applications.
- Proprietary input sampling scheme reducing average input sampling current.
- Continuous internal offset calibration algorithms ensuring accuracy over time and temperature range.
- Low power consumption: less than 50µW from a 2.7V supply when reading once per second.
Applications
- System monitoring.
- Environmental monitoring.
- Direct temperature measurements.
- Instrumentation.
The LTC2451 is suitable for any application requiring precise and efficient analog-to-digital conversion in a compact form factor.
Q & A
- What is the resolution of the LTC2451CDDB#TRPBF?
The LTC2451CDDB#TRPBF is a 16-bit analog-to-digital converter.
- What is the supply voltage range for the LTC2451CDDB#TRPBF?
The supply voltage range is from 2.7V to 5.5V.
- What type of interface does the LTC2451CDDB#TRPBF use for communication?
The LTC2451CDDB#TRPBF uses an I²C interface for communication.
- What are the package options available for the LTC2451CDDB#TRPBF?
The device is available in an 8-pin DFN (3mm x 2mm) or an 8-pin TSOT-23 package.
- What is the maximum sampling rate of the LTC2451CDDB#TRPBF?
The LTC2451CDDB#TRPBF can perform up to 60 conversions per second.
- Does the LTC2451CDDB#TRPBF require any external components for its oscillator?
No, the LTC2451CDDB#TRPBF has an integrated oscillator that does not require any external components.
- What is the operating temperature range of the LTC2451CDDB#TRPBF?
The operating temperature range is from 0°C to 70°C.
- How does the LTC2451CDDB#TRPBF manage power consumption?
The device can automatically enter sleep mode after a single conversion, reducing its power consumption to less than 0.2µA. It consumes less than 50µW from a 2.7V supply when reading once per second.
- What are some typical applications of the LTC2451CDDB#TRPBF?
Typical applications include system monitoring, environmental monitoring, direct temperature measurements, and instrumentation.
- Does the LTC2451CDDB#TRPBF have any built-in calibration features?
Yes, the LTC2451CDDB#TRPBF includes continuous internal offset calibration algorithms to ensure accuracy over time and temperature range.
