Overview
The LTC2258IUJ-12 is a 12-bit 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 communications applications. It features ultralow power consumption and high performance characteristics, including a signal-to-noise ratio (SNR) of 71.1 dB and a spurious free dynamic range (SFDR) of 88 dB. The ADC operates at a sampling rate of 65 Msps and is available in a 40-pin QFN package.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 | Bits |
| Sampling Rate | 65 | Msps |
| Signal-to-Noise Ratio (SNR) | 71.1 | dB |
| Spurious Free Dynamic Range (SFDR) | 88 | dB |
| Power Consumption | 79mW / 47mW / 34mW | mW |
| Supply Voltage | 1.8V | V |
| Output Modes | CMOS, DDR CMOS, DDR LVDS | |
| Input Range | 1V P-P to 2V P-P | |
| Full-Power Bandwidth S/H | 800 MHz | MHz |
| Package | 40-Pin QFN (6mm x 6mm x 0.75mm) |
Key Features
- Ultralow jitter of 0.17ps RMS, allowing for undersampling of IF frequencies with excellent noise performance.
- Low power consumption: 79mW, 47mW, and 34mW in different modes.
- Single 1.8V supply voltage.
- CMOS, DDR CMOS, or DDR LVDS output modes.
- Selectable input ranges: 1V P-P to 2V P-P.
- Optional data output randomizer and clock duty cycle stabilizer.
- Shutdown and nap modes for power saving.
- Serial SPI port for configuration.
- Pin compatible with 14-bit and 12-bit versions.
Applications
- Communications
- Cellular Base Stations
- Software Defined Radios
- Portable Medical Imaging
- Multi-Channel Data Acquisition
- Nondestructive Testing
Q & A
- What is the resolution of the LTC2258IUJ-12 ADC?
The LTC2258IUJ-12 has a resolution of 12 bits.
- What is the sampling rate of the LTC2258IUJ-12?
The sampling rate is 65 Msps.
- What are the key performance metrics of the LTC2258IUJ-12?
The key performance metrics include an SNR of 71.1 dB and an SFDR of 88 dB.
- What are the available output modes for the LTC2258IUJ-12?
The output modes include CMOS, DDR CMOS, and DDR LVDS.
- What is the power consumption of the LTC2258IUJ-12?
The power consumption is 79mW, 47mW, and 34mW in different modes.
- What is the supply voltage for the LTC2258IUJ-12?
The supply voltage is 1.8V.
- What are the selectable input ranges for the LTC2258IUJ-12?
The input ranges are selectable from 1V P-P to 2V P-P.
- Does the LTC2258IUJ-12 have power-saving modes?
Yes, it has shutdown and nap modes for power saving.
- How is the LTC2258IUJ-12 configured?
It can be configured via a serial SPI port.
- What package type is the LTC2258IUJ-12 available in?
The LTC2258IUJ-12 is available in a 40-pin QFN package (6mm x 6mm x 0.75mm).
