Overview
The LTC2378-16, produced by Analog Devices Inc., is a high-performance, low noise, and low power 16-bit successive approximation register (SAR) analog-to-digital converter (ADC). This component operates from a 2.5V supply and features a fully differential input range with a reference voltage (VREF) that can range from 2.5V to 5.1V. It is designed for high-speed applications, offering a throughput of 1Msps with no cycle latency, making it ideal for a variety of demanding applications.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 16 bits |
| Sampling Rate | 1 Msps |
| Supply Voltage | 2.5V |
| Input Range | ±VREF (2.5V to 5.1V) |
| Power Consumption | 13.5 mW |
| Integral Nonlinearity (INL) | ±0.5 LSB |
| Signal-to-Noise Ratio (SNR) | 97 dB |
| Interface | SPI-compatible serial interface (1.8V, 2.5V, 3.3V, 5V logic) |
| Package | 16-Lead DFN (4mm x 3mm w/ EP), 16-Lead MSOP |
Key Features
- High-Speed Throughput: 1 Msps with no cycle latency, making it suitable for high-speed applications.
- Low Power Consumption: Consumes only 13.5 mW, with automatic power-down between conversions to reduce power dissipation.
- High Accuracy: ±0.5 LSB INL maximum and no missing codes at 16 bits.
- Flexible Interface: SPI-compatible serial interface supporting 1.8V, 2.5V, 3.3V, and 5V logic, with daisy-chain mode.
- Digital Gain Compression (DGC): Eliminates the need for a negative supply voltage while preserving full resolution.
- Internal Oscillator: Sets the conversion time, easing external timing considerations.
Applications
- High-Speed Data Acquisition Systems: Ideal for applications requiring fast and accurate data conversion.
- Medical Devices: Suitable for medical imaging and diagnostic equipment due to its high accuracy and low noise.
- Industrial Automation: Used in control systems and monitoring applications where high-speed and precision are critical.
- Aerospace and Defense: Applicable in various military and aerospace systems requiring high reliability and performance.
- Test and Measurement Equipment: Utilized in oscilloscopes, signal analyzers, and other test equipment.
Q & A
- What is the resolution of the LTC2378-16 ADC?
The LTC2378-16 has a resolution of 16 bits.
- What is the maximum sampling rate of the LTC2378-16?
The maximum sampling rate is 1 Msps.
- What is the power consumption of the LTC2378-16?
The power consumption is 13.5 mW.
- What is the input range of the LTC2378-16?
The input range is ±VREF, with VREF ranging from 2.5V to 5.1V.
- Does the LTC2378-16 have any special power-saving features?
- What type of interface does the LTC2378-16 use?
The LTC2378-16 uses a SPI-compatible serial interface supporting 1.8V, 2.5V, 3.3V, and 5V logic.
- What is the purpose of the digital gain compression (DGC) feature?
The DGC feature eliminates the need for a negative supply voltage while preserving the full resolution of the ADC.
- What types of packages are available for the LTC2378-16?
The LTC2378-16 is available in 16-Lead DFN (4mm x 3mm w/ EP) and 16-Lead MSOP packages.
- What is the signal-to-noise ratio (SNR) of the LTC2378-16?
The SNR is 97 dB.
- Does the LTC2378-16 have an internal oscillator?
