Overview
The LTC2379CMS-18#TRPBF is a high-performance, 18-bit successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This ADC is designed for high-speed, low-power applications, offering a sampling rate of 1.6 million samples per second (Msps). It operates from a single 2.5V supply and features a fully differential input range, making it suitable for a wide range of applications requiring precise analog-to-digital conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits |
| Number of Channels | 1 Channel |
| Sampling Rate | 1.6 Msps |
| Analog Supply Voltage | 2.5 V |
| Input Type | Differential |
| Architecture | SAR |
| Reference Type | External |
| Package / Case | MSOP-16 |
| Mounting Style | SMD/SMT |
| DNL - Differential Nonlinearity | 0.2 LSB |
| INL - Integral Nonlinearity | 0.8 LSB |
| Gain Error | 7 LSB |
| Power Dissipation | 18 mW |
| SFDR - Spurious Free Dynamic Range | 122 dB |
| SINAD - Signal to Noise and Distortion Ratio | 101 dB |
| THD - Total Harmonic Distortion | -120 dB |
| Operating Temperature | 0°C ~ 70°C |
| Data Interface | SPI |
Key Features
- High-Speed Conversion: The LTC2379CMS-18#TRPBF offers a fast sampling rate of 1.6 Msps with no cycle latency, making it ideal for high-speed applications.
- Low Power Consumption: Operating from a single 2.5V supply, the ADC consumes only 18 mW, which scales with the sampling rate due to its automatic power-down feature between conversions.
- Precision and Accuracy: The ADC features ±2 LSB INL maximum and no missing codes at 18 bits, ensuring high precision and accuracy in analog-to-digital conversion.
- Digital Gain Compression (DGC): This feature eliminates the need for a negative supply voltage for the driver amplifier while preserving the full resolution of the ADC.
- Flexible Interface: The ADC supports a high-speed SPI-compatible serial interface that is compatible with 1.8V, 2.5V, 3.3V, and 5V logic, and also features a daisychain mode.
Applications
- Medical Imaging: The high resolution and fast sampling rate make this ADC suitable for medical imaging applications.
- Industrial Control Systems: Its precision and low power consumption are beneficial in industrial control systems where accurate and efficient data conversion is crucial.
- High-Speed Data Acquisition: The ADC is ideal for applications requiring rapid and precise data acquisition, such as in scientific instruments and test equipment.
- Aerospace and Defense: The low power and high precision of the LTC2379CMS-18#TRPBF make it a viable option for various aerospace and defense applications.
Q & A
- What is the resolution of the LTC2379CMS-18#TRPBF ADC?
The resolution of the LTC2379CMS-18#TRPBF is 18 bits. - What is the sampling rate of the LTC2379CMS-18#TRPBF?
The sampling rate is 1.6 million samples per second (Msps). - What is the power supply voltage for the LTC2379CMS-18#TRPBF?
The ADC operates from a single 2.5V supply. - What is the input type of the LTC2379CMS-18#TRPBF?
The input type is differential. - Does the LTC2379CMS-18#TRPBF support SPI interface?
Yes, it supports a high-speed SPI-compatible serial interface. - What is the power dissipation of the LTC2379CMS-18#TRPBF?
The power dissipation is 18 mW. - What is the operating temperature range of the LTC2379CMS-18#TRPBF?
The operating temperature range is 0°C ~ 70°C. - Does the LTC2379CMS-18#TRPBF have a digital gain compression feature?
Yes, it features a digital gain compression (DGC) function. - What is the SFDR of the LTC2379CMS-18#TRPBF?
The Spurious Free Dynamic Range (SFDR) is 122 dB. - What is the SINAD of the LTC2379CMS-18#TRPBF?
The Signal to Noise and Distortion Ratio (SINAD) is 101 dB.
