Overview
The LTC2444CUHF#PBF is a high-performance, 24-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the LTC2444/LTC2445/LTC2448/LTC2449 family, which features a proprietary delta-sigma architecture. It is designed for high-speed and high-resolution data acquisition, making it suitable for a variety of precision measurement applications.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 24 |
| Number of A/D Converters | 1 |
| Number of Inputs | 4, 8 (differential or single-ended) |
| Sampling Rate | Up to 3.5 kHz (7 kHz in 2X speed mode with external oscillator) |
| Reference Type | External |
| Supply Voltage (Digital/Analog) | 5V |
| Package/Case | 38-WFQFN Exposed Pad (5mm x 7mm) |
| Operating Temperature | 0°C to 70°C |
| Data Interface | SPI |
| Architecture | Sigma-Delta |
Key Features
- High-resolution 24-bit conversion with variable speed/resolution combinations.
- No latency between conversion results or shift in DC accuracy.
- Supports both single-ended and differential inputs with a common mode input range from ground to VCC.
- Internal reset after each conversion to eliminate memory effects.
- 2X speed mode for output rates up to 7 kHz with an external oscillator.
- Simple 4-wire serial interface for configuration and data transfer.
Applications
The LTC2444CUHF#PBF is ideal for various precision measurement applications, including industrial automation, medical devices, test and measurement equipment, and environmental monitoring systems. Its high resolution and variable speed capabilities make it suitable for applications requiring accurate and flexible data acquisition.
Q & A
- What is the resolution of the LTC2444CUHF#PBF ADC?
The LTC2444CUHF#PBF has a 24-bit resolution. - How many input channels does the LTC2444CUHF#PBF support?
The device supports 4 or 8 input channels, which can be either differential or single-ended. - What is the maximum sampling rate of the LTC2444CUHF#PBF?
The maximum sampling rate is up to 3.5 kHz, and up to 7 kHz in 2X speed mode with an external oscillator. - What type of architecture does the LTC2444CUHF#PBF use?
The device uses a proprietary delta-sigma architecture. - What is the supply voltage for the LTC2444CUHF#PBF?
The supply voltage is 5V for both digital and analog supplies. - What is the operating temperature range of the LTC2444CUHF#PBF?
The operating temperature range is from 0°C to 70°C. - What type of data interface does the LTC2444CUHF#PBF use?
The device uses a SPI (Serial Peripheral Interface) for data transfer and configuration. - Is the LTC2444CUHF#PBF RoHS compliant?
Yes, the LTC2444CUHF#PBF is lead-free and RoHS compliant. - What is the package type of the LTC2444CUHF#PBF?
The package type is a 38-WFQFN Exposed Pad (5mm x 7mm). - Does the LTC2444CUHF#PBF have any latency between conversions?
No, there is no latency between conversion results or shift in DC accuracy.
