Overview
The LTC2246, produced by Analog Devices Inc., is a 14-bit analog-to-digital converter (ADC) designed for high-speed, low-power applications. This ADC operates at a sample rate of 25 Msps and is part of a family of converters that include the LTC2247 and LTC2248, which operate at 40 Msps and 65 Msps, respectively. The LTC2246 is optimized for digitizing high-frequency, wide dynamic range signals, making it suitable for various demanding applications.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 14-bit |
| Sample Rate | 25 Msps |
| Supply Voltage | Single 3V (2.7V to 3.4V) |
| Power Consumption | 75 mW |
| Signal-to-Noise Ratio (SNR) | 74.3 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Input Range | 1 V P-P to 2 V P-P |
| Full Power Bandwidth | 575 MHz |
| Package | 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP) |
Key Features
- Low power operation with 75 mW power consumption.
- No missing codes over temperature.
- Flexible input range from 1 V P-P to 2 V P-P.
- Clock duty cycle stabilizer for high performance at full speed.
- Shutdown and nap modes for power management.
- Pin compatible with other family members.
- Separate output supply allows outputs to drive 0.5V to 3.6V logic.
Applications
- Wireless and Wired Broadband Communication
- Imaging Systems
- Ultrasound
- Spectral Analysis
- Portable Instrumentation
Q & A
- What is the sample rate of the LTC2246 ADC?
The LTC2246 operates at a sample rate of 25 Msps.
- What is the power consumption of the LTC2246?
The power consumption of the LTC2246 is 75 mW.
- What is the input range of the LTC2246?
The input range of the LTC2246 is from 1 V P-P to 2 V P-P.
- Does the LTC2246 have any power-saving modes?
- What is the full power bandwidth of the LTC2246?
The full power bandwidth of the LTC2246 is 575 MHz.
- Is the LTC2246 pin compatible with other ADCs in the family?
- What is the signal-to-noise ratio (SNR) of the LTC2246?
The SNR of the LTC2246 is 74.3 dB.
- What is the spurious free dynamic range (SFDR) of the LTC2246?
The SFDR of the LTC2246 is 90 dB.
- Does the LTC2246 have a clock duty cycle stabilizer?
- What package options are available for the LTC2246?
The LTC2246 is available in a 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP) package.
