Overview
The LTC2313-14, produced by Analog Devices Inc., is a high-performance 14-bit, 2.5Msps serial sampling Analog-to-Digital Converter (ADC). This device is designed to offer a low-cost, high-performance solution with an integrated low drift reference and reference buffer. It operates from a single 3V or 5V supply, drawing only 5mA, making it ideal for compact, low power, and high-speed systems. The ADC features a high-speed SPI-compatible serial interface and achieves outstanding AC performance with 77dB SINAD and –85dB THD while sampling at 2.5Msps.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14-bit |
| Sampling Rate | 2.5Msps |
| Supply Voltage | Single 3V or 5V |
| Supply Current | 5mA at 2.5Msps and 3V Supply |
| Internal Reference | 2.048V or 4.096V, 20ppm/°C maximum drift |
| SINAD | 77dB |
| THD | –85dB |
| Package | 8-Lead TSOT-23 |
| Digital I/O Supply | 1.8V to 5V |
| Operating Temperature | –40°C to 125°C |
Key Features
- High-speed SPI-compatible serial interface supporting 1.8V, 2.5V, 3V, and 5V logic.
- No cycle latency, ensuring fast 2.5Msps throughput.
- Integrated low drift reference and reference buffer, providing high performance and space-saving solution.
- Low power consumption: 14mW at 2.5Msps and 3V supply, with automatic nap mode after conversions.
- Guaranteed 14-bit no missing codes.
- Low noise: 77.5dB SNR.
- Separate 1.8V to 5V digital I/O supply.
Applications
The LTC2313-14 is ideally suited for a wide variety of high-speed applications, including but not limited to:
- Compact, low power, and high-speed systems.
- Industrial automation and control systems.
- Medical devices requiring high precision and low power consumption.
- Aerospace and defense applications where high reliability and performance are critical.
- Data acquisition systems and signal processing applications.
Q & A
- What is the resolution of the LTC2313-14 ADC?
The LTC2313-14 is a 14-bit ADC.
- What is the maximum sampling rate of the LTC2313-14?
The maximum sampling rate is 2.5Msps.
- What are the supply voltage options for the LTC2313-14?
The device can operate from a single 3V or 5V supply.
- How much current does the LTC2313-14 draw at 2.5Msps and 3V supply?
The device draws 5mA at 2.5Msps and 3V supply.
- What is the drift specification of the internal reference?
The internal reference has a maximum drift of 20ppm/°C.
- What is the SINAD performance of the LTC2313-14?
The SINAD performance is 77dB.
- Does the LTC2313-14 have any power-saving features?
Yes, the device automatically enters nap mode after conversions to reduce power consumption.
- What type of digital interface does the LTC2313-14 support?
The device supports a high-speed SPI-compatible serial interface.
- What is the operating temperature range of the LTC2313-14?
The operating temperature range is –40°C to 125°C.
- What package options are available for the LTC2313-14?
The device is available in an 8-Lead TSOT-23 package.
