Overview
The LTC2494IUHF#PBF is a high-precision, 16-bit analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This device features a no-latency delta-sigma (ΔΣ) architecture and is designed for a wide range of applications requiring high accuracy and flexibility. The LTC2494 includes advanced features such as programmable gain, an integrated temperature sensor, and Easy Drive technology, which eliminates dynamic input current errors and allows for the direct digitization of rail-to-rail input signals.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16 bits |
| Number of Channels | 8 differential or 16 single-ended |
| Conversion Rate | 15 samples per second (Sps) |
| Programmable Gain | 1 to 256 in 8 steps |
| Temperature Sensor Accuracy | 1/2°C resolution, 2°C absolute accuracy |
| Input Range | 0V to VCC |
| Package Type | 38-Lead QFN (5mm x 7mm w/ EP) |
| Operating Temperature Range | -40°C to 125°C |
Key Features
- No-latency delta-sigma (ΔΣ) ADC architecture
- Easy Drive technology for automatic cancellation of differential input current
- Programmable gain from 1 to 256 in 8 steps
- High accuracy temperature sensor with 1/2°C resolution and 2°C absolute accuracy
- Integrated oscillator
- Support for single-ended and differential input modes
- Wide common mode input range (0V to VCC) independent of the reference voltage
Applications
The LTC2494IUHF#PBF is suitable for various applications that require high precision and flexibility, including:
- Industrial automation and control systems
- Medical devices and diagnostic equipment
- Aerospace and defense systems
- Automotive systems, especially those requiring precise temperature and analog signal measurement
- Test and measurement instruments
Q & A
- What is the resolution of the LTC2494IUHF#PBF ADC?
The LTC2494IUHF#PBF has a resolution of 16 bits. - How many channels does the LTC2494IUHF#PBF support?
The device supports 8 differential or 16 single-ended channels. - What is the conversion rate of the LTC2494IUHF#PBF?
The conversion rate is 15 samples per second (Sps). - Does the LTC2494IUHF#PBF have programmable gain?
Yes, the gain is programmable from 1 to 256 in 8 steps. - What is the accuracy of the integrated temperature sensor?
The temperature sensor has a resolution of 1/2°C and an absolute accuracy of 2°C. - What is the input range of the LTC2494IUHF#PBF?
The input range is from 0V to VCC. - What package type does the LTC2494IUHF#PBF come in?
The device is packaged in a 38-Lead QFN (5mm x 7mm w/ EP). - What is the operating temperature range of the LTC2494IUHF#PBF?
The operating temperature range is from -40°C to 125°C. - What is the purpose of Easy Drive technology in the LTC2494IUHF#PBF?
Easy Drive technology eliminates dynamic input current errors and allows for the direct digitization of rail-to-rail input signals. - Can the LTC2494IUHF#PBF measure external signals and internal temperature simultaneously?
Yes, the device can be configured to measure external signals or its internal temperature sensor.
