Overview
The LTC2248IUH#PBF is a high-performance, 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the LTC2248 family and is known for its low power consumption and high-speed conversion capabilities. It operates on a single 3V supply and is available in a 32-pin QFN package, making it suitable for a variety of applications requiring high-speed data conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14-bit |
| Sample Rate | 65Msps, 40Msps, 25Msps |
| Supply Voltage | 2.7V to 3.4V |
| Power Consumption | 205mW (65Msps), 120mW (40Msps), 75mW (25Msps) |
| Signal-to-Noise Ratio (SNR) | 74.3dB |
| Spurious Free Dynamic Range (SFDR) | 90dB |
| Input Range | 1V P-P to 2V P-P |
| Full Power Bandwidth S/H | 575MHz |
| Package Type | 32-Lead QFN (5mm x 5mm x 0.75mm w/ EP) |
Key Features
- High-speed conversion rates: 65Msps, 40Msps, and 25Msps
- Single 3V supply operation with low power consumption
- High SNR and SFDR for accurate signal conversion
- No missing codes over temperature
- Flexible input range: 1V P-P to 2V P-P
- Clock duty cycle stabilizer for high performance at full speed
- Shutdown and nap modes for power management
- Pin compatible with other LTC22xx family members
- Separate output supply allows driving 0.5V to 3.6V logic
Applications
- Wireless and Wired Broadband Communication
- Imaging Systems
- Ultrasound
- Spectral Analysis
- Portable Instrumentation
Q & A
- What is the resolution of the LTC2248IUH#PBF?
The LTC2248IUH#PBF has a resolution of 14 bits. - What are the available sample rates for this ADC?
The sample rates available are 65Msps, 40Msps, and 25Msps. - What is the operating supply voltage range for this component?
The operating supply voltage range is from 2.7V to 3.4V. - What is the power consumption of the LTC2248IUH#PBF at different sample rates?
The power consumption is 205mW at 65Msps, 120mW at 40Msps, and 75mW at 25Msps. - What is the Signal-to-Noise Ratio (SNR) of this ADC?
The SNR is 74.3dB. - What is the Spurious Free Dynamic Range (SFDR) of this ADC?
The SFDR is 90dB. - What is the input range of the LTC2248IUH#PBF?
The input range is from 1V P-P to 2V P-P. - Does the LTC2248IUH#PBF have any power-saving modes?
Yes, it has shutdown and nap modes for power management. - Is the LTC2248IUH#PBF pin compatible with other ADCs in the same family?
Yes, it is pin compatible with other LTC22xx family members. - What are some common applications of the LTC2248IUH#PBF?
Common applications include wireless and wired broadband communication, imaging systems, ultrasound, spectral analysis, and portable instrumentation.
