Overview
The LTC2315-12, produced by Analog Devices Inc., is a 12-bit, 5Msps (Mega Samples Per Second) serial sampling Analog-to-Digital Converter (ADC). This device is notable for its low power consumption, drawing only 6.4mA from a wide range analog supply adjustable from 2.7V to 5.25V. It features an integrated bandgap and reference buffer, providing a high-performance and space-saving solution. The LTC2315-12 is ideal for compact, low power, and high-speed systems due to its excellent AC performance and high sample rate-to-power ratio.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12-bit |
| Sampling Rate | Up to 5Msps |
| Analog Supply Voltage | 2.7V to 5.25V |
| Power Consumption | 6.4mA at 5Msps and 5V |
| Internal Reference | 2.048V/4.096V Span |
| SINAD (Signal-to-Noise and Distortion Ratio) | 72.6dB |
| THD (Total Harmonic Distortion) | –84dB |
| Digital I/O Supply Voltage | 1.8V to 5V |
| Operating Temperature Range | 0°C to 70°C (LTC2315C), –40°C to 85°C (LTC2315I) |
| Package | 8-Lead SOT-23, TSOT-23 |
Key Features
- High-speed SPI-compatible serial interface supporting 1.8V, 2.5V, 3V, and 5V logic.
- Integrated bandgap and reference buffer for high performance and low cost.
- Low power consumption with sleep and nap modes for power optimization.
- Guaranteed 12-bit no missing codes.
- Low noise with 73dB SNR (Signal-to-Noise Ratio).
- Dual supply range for 3V/5V operation.
- Quick wake-up from nap mode in less than one conversion.
Applications
The LTC2315-12 is ideally suited for a wide variety of high-speed applications, including:
- Compact and low-power systems.
- High-speed data acquisition systems.
- Industrial control and automation.
- Medical devices requiring high accuracy and low power consumption.
- Aerospace and defense applications where high reliability and performance are critical.
Q & A
- What is the resolution of the LTC2315-12 ADC?
The LTC2315-12 has a resolution of 12 bits.
- What is the maximum sampling rate of the LTC2315-12?
The maximum sampling rate is 5Msps.
- What is the power consumption of the LTC2315-12 at 5Msps and 5V supply?
The power consumption is 6.4mA.
- Does the LTC2315-12 have an internal reference?
- What are the SINAD and THD specifications of the LTC2315-12?
The SINAD is 72.6dB, and the THD is –84dB.
- What are the supported digital I/O supply voltages for the LTC2315-12?
The supported digital I/O supply voltages range from 1.8V to 5V.
- What are the operating temperature ranges for the LTC2315-12?
The operating temperature ranges are 0°C to 70°C (LTC2315C) and –40°C to 85°C (LTC2315I).
- What package types are available for the LTC2315-12?
The LTC2315-12 is available in 8-Lead SOT-23 and TSOT-23 packages.
- Does the LTC2315-12 support sleep and nap modes?
- How quickly can the LTC2315-12 wake up from nap mode?
The LTC2315-12 can wake up from nap mode in less than one conversion.
