Overview
The LTC2451IDDB#TRMPBF is an ultra-tiny, 16-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device is designed for high precision and efficiency, utilizing a delta-sigma modulator as its converter core. It operates on a single supply voltage ranging from 2.7V to 5.5V and communicates through a 2-wire I2C interface. The LTC2451 is available in an 8-pin, 3mm x 2mm DFN package or an 8-pin TSOT-23 package, making it highly suitable for space-constrained applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Input Range | GND to VCC |
| Supply Voltage (VCC) | 2.7V to 5.5V |
| Conversion Rate | Up to 60 conversions per second |
| Noise | 0.02 LSB RMS |
| Integral Nonlinearity (INL) | 2 LSB |
| Offset Error | 1 LSB |
| Full-Scale Error | 4 LSB |
| Supply Current | 400 μA (active), 0.2 μA (sleep) |
| Package | 8-pin DFN (3mm x 2mm), 8-pin TSOT-23 |
| Operating Temperature Range | 0°C to 70°C (LTC2451C), -40°C to 85°C (LTC2451I) |
Key Features
- Ultra-tiny package options: 8-pin DFN (3mm x 2mm) and 8-pin TSOT-23.
- Single supply operation: 2.7V to 5.5V.
- Single-ended analog input voltage range: GND to VCC.
- 2-wire I2C interface.
- Integrated oscillator with no external components required.
- Proprietary input sampling scheme reducing average input sampling current.
- Single-cycle settling time for multiplexed applications.
- Continuous internal offset calibration algorithms.
- Automatic sleep mode with power consumption less than 0.2 μA.
Applications
- System monitoring.
- Environmental monitoring.
- Direct temperature measurements.
- Instrumentation.
Q & A
- What is the resolution of the LTC2451IDDB#TRMPBF?
The LTC2451IDDB#TRMPBF has a resolution of 16 bits. - What is the input voltage range of the LTC2451IDDB#TRMPBF?
The input voltage range is from GND to VCC. - What are the package options for the LTC2451IDDB#TRMPBF?
The device is available in an 8-pin DFN (3mm x 2mm) and an 8-pin TSOT-23 package. - What is the conversion rate of the LTC2451IDDB#TRMPBF?
The conversion rate is up to 60 conversions per second. - Does the LTC2451IDDB#TRMPBF require any external components for its oscillator?
No, the LTC2451IDDB#TRMPBF includes an integrated oscillator that does not require any external components. - What is the power consumption in sleep mode?
The power consumption in sleep mode is less than 0.2 μA. - What communication interface does the LTC2451IDDB#TRMPBF use?
The device communicates through a 2-wire I2C interface. - What are the typical applications of the LTC2451IDDB#TRMPBF?
Typical applications include system monitoring, environmental monitoring, direct temperature measurements, and instrumentation. - How does the LTC2451IDDB#TRMPBF handle offset calibration?
The device includes continuous internal offset calibration algorithms that are transparent to the user. - What is the operating temperature range for the LTC2451IDDB#TRMPBF?
The operating temperature range is 0°C to 70°C for the LTC2451C and -40°C to 85°C for the LTC2451I.
