Overview
The LTC2298 is a dual 14-bit, 65Msps low power analog-to-digital converter (ADC) designed by Analog Devices Inc. This device is optimized for digitizing high-frequency, wide dynamic range signals, making it ideal for demanding applications in imaging and communications. The LTC2298 operates on a single 3V supply, offering low power consumption and high performance.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14-bit |
| Sample Rate | 65Msps, 40Msps, 25Msps |
| Supply Voltage | 2.7V to 3.4V |
| Power Consumption | 400mW (65Msps), 235mW (40Msps), 150mW (25Msps) |
| SNR | 74.3dB |
| SFDR | 90dB |
| Channel Isolation | 110dB at 100MHz |
| Input Range | 1V p-p to 2V p-p |
| Full Power Bandwidth | 575MHz |
| Package | 64-Pin (9mm × 9mm) QFN |
Key Features
- Integrated Dual 14-Bit ADCs
- Multiplexed or Separate Data Bus
- Flexible Input Range: 1V p-p to 2V p-p
- Clock Duty Cycle Stabilizer
- Shutdown and Nap Modes for Power Management
- Pin Compatible Family with Various Sample Rates
- High Channel Isolation: 110dB at 100MHz
Applications
- Wireless and Wired Broadband Communication
- Imaging Systems
- Spectral Analysis
- Portable Instrumentation
Q & A
- What is the resolution of the LTC2298 ADC?
The LTC2298 has a resolution of 14 bits. - What are the available sample rates for the LTC2298?
The LTC2298 supports sample rates of 65Msps, 40Msps, and 25Msps. - What is the supply voltage range for the LTC2298?
The supply voltage range is from 2.7V to 3.4V. - How much power does the LTC2298 consume at different sample rates?
The power consumption is 400mW at 65Msps, 235mW at 40Msps, and 150mW at 25Msps. - What is the SNR of the LTC2298?
The signal-to-noise ratio (SNR) is 74.3dB. - What is the SFDR of the LTC2298?
The spurious-free dynamic range (SFDR) is 90dB. - What is the channel isolation of the LTC2298 at 100MHz?
The channel isolation is 110dB at 100MHz. - What is the full power bandwidth of the LTC2298?
The full power bandwidth is 575MHz. - What package type is the LTC2298 available in?
The LTC2298 is available in a 64-Pin (9mm × 9mm) QFN package. - What are some common applications of the LTC2298?
Common applications include wireless and wired broadband communication, imaging systems, spectral analysis, and portable instrumentation.
