Overview
The LTC2444CUHF#TRPBF is a high-performance, 24-bit, no latency delta-sigma analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the LTC2444/LTC2445/LTC2448/LTC2449 family and is known for its versatility and precision in various measurement applications. It features a proprietary delta-sigma architecture that allows for variable speed and resolution settings, making it suitable for a wide range of applications requiring high accuracy and speed.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Resolution | - | - | - | 24 bits | - |
| Number of Channels | - | - | - | 8 (single-ended), 4 (differential) | - |
| Conversion Speed | - | 6.9 Hz | - | 3.5 kHz (7 kHz with 2X speed mode) | - |
| Input Voltage Range | GND to VCC | - | - | - | V |
| Reference Voltage Range | 0.1 VCC to VCC - 0.1V | - | - | - | V |
| Sampling Capacitance | - | - | 2 pF | - | pF |
| Operating Temperature Range | - | - | - | 0°C to 70°C | - |
| Package Type | - | - | - | 38-Lead Plastic QFN (5mm x 7mm w/ EP) | - |
Key Features
- High-resolution 24-bit delta-sigma ADC with no latency between conversion results.
- Variable speed and resolution settings through a 4-wire serial interface, offering ten speed/resolution combinations.
- Support for both single-ended and differential input modes.
- Common mode input range from ground to VCC, independent of VREF.
- Internal reset after each conversion to eliminate memory effects and ensure stability of the high-order delta-sigma modulator.
- Optional 2X speed mode for higher output rates up to 7 kHz (8 kHz with an external oscillator).
Applications
The LTC2444CUHF#TRPBF is suitable for a variety of applications that require high precision and speed, such as:
- Industrial automation and control systems.
- Medical devices and diagnostic equipment.
- Aerospace and defense systems.
- High-precision measurement and data acquisition systems.
- Automotive sensors and control systems.
Q & A
- What is the resolution of the LTC2444CUHF#TRPBF ADC?
The LTC2444CUHF#TRPBF has a resolution of 24 bits. - How many channels does the LTC2444CUHF#TRPBF support?
The LTC2444CUHF#TRPBF supports 8 single-ended or 4 differential channels. - What are the conversion speed options for the LTC2444CUHF#TRPBF?
The conversion speed can be set to various options ranging from 6.9 Hz to 3.5 kHz, with a 2X speed mode option for up to 7 kHz. - What is the input voltage range for the LTC2444CUHF#TRPBF?
The input voltage range is from GND to VCC. - Can the LTC2444CUHF#TRPBF operate in both single-ended and differential modes?
Yes, the LTC2444CUHF#TRPBF can operate in both single-ended and differential input modes. - What is the operating temperature range of the LTC2444CUHF#TRPBF?
The operating temperature range is from 0°C to 70°C. - What type of package does the LTC2444CUHF#TRPBF come in?
The LTC2444CUHF#TRPBF comes in a 38-Lead Plastic QFN (5mm x 7mm w/ EP) package. - Does the LTC2444CUHF#TRPBF have any latency between conversion results?
No, the LTC2444CUHF#TRPBF has no latency between conversion results. - How does the LTC2444CUHF#TRPBF ensure stability between successive conversions?
The LTC2444CUHF#TRPBF ensures stability by internally resetting after each conversion, eliminating any memory effects. - Can an external oscillator be used to increase the conversion speed?
Yes, an external oscillator can be used to increase the conversion speed up to 8 kHz.
