Overview
The LTC2258CUJ-12#PBF is a high-performance 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is designed for digitizing high-frequency, wide dynamic range signals, making it ideal for demanding applications such as communications, cellular base stations, and software-defined radios. The ADC features a pipelined architecture with a sample-and-hold (S/H) configuration, offering precise 12-bit resolution and a high sampling rate of 65 megasamples per second (MSPS).
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | LTC2258CUJ-12#PBF |
| Package | 40-Lead QFN (6mm x 6mm x 0.75mm w/ EP) |
| Number of Bits | 12 |
| Sampling Rate | 65 MSPS |
| Input Type | Single differential input |
| Data Interface | LVDS, Parallel, SPI, Serial |
| Integral Nonlinearity (INL) | ±0.3 LSB (typical) |
| Differential Nonlinearity (DNL) | ±0.1 LSB (typical) |
| Supply Voltage | 1.7V to 1.9V (analog and digital) |
| Operating Temperature | -40°C to 85°C |
| Power Consumption | 79mW/47mW/34mW |
Key Features
- High-speed data acquisition up to 65 MSPS with 12-bit resolution
- Pipelined architecture with sample-and-hold (S/H) configuration
- Low power consumption: 79mW/47mW/34mW
- Single 1.8V supply voltage
- CMOS, DDR CMOS, or DDR LVDS outputs
- Selectable input ranges: 1V P-P to 2V P-P
- 800MHz full-power bandwidth S/H
- Optional data output randomizer and clock duty cycle stabilizer
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Pin compatible with 14-bit and 12-bit versions
- Ultralow jitter of 0.17ps RMS
- 71.1dB SNR and 88dB SFDR for high AC performance
Applications
- Communications
- Cellular Base Stations
- Software Defined Radios
- Portable Medical Imaging
- Multi-Channel Data Acquisition
- Nondestructive Testing
Q & A
- What is the sampling rate of the LTC2258CUJ-12#PBF?
The sampling rate of the LTC2258CUJ-12#PBF is 65 MSPS.
- What is the resolution of the LTC2258CUJ-12#PBF?
The resolution of the LTC2258CUJ-12#PBF is 12 bits.
- What types of data interfaces does the LTC2258CUJ-12#PBF support?
The LTC2258CUJ-12#PBF supports LVDS, parallel, SPI, and serial data interfaces.
- What is the typical integral nonlinearity (INL) of the LTC2258CUJ-12#PBF?
The typical INL of the LTC2258CUJ-12#PBF is ±0.3 LSB.
- What are the operating temperature ranges for the LTC2258CUJ-12#PBF?
The operating temperature range for the LTC2258CUJ-12#PBF is -40°C to 85°C.
- Does the LTC2258CUJ-12#PBF support differential or single-ended inputs?
The LTC2258CUJ-12#PBF supports both differential and single-ended inputs.
- What are the power consumption levels of the LTC2258CUJ-12#PBF?
The power consumption levels of the LTC2258CUJ-12#PBF are 79mW, 47mW, and 34mW.
- Does the LTC2258CUJ-12#PBF have power management features?
Yes, the LTC2258CUJ-12#PBF has shutdown and nap modes for power management.
- What is the full-power bandwidth of the sample-and-hold (S/H) stage?
The full-power bandwidth of the S/H stage is 800MHz.
- Is the LTC2258CUJ-12#PBF pin compatible with other versions?
Yes, the LTC2258CUJ-12#PBF is pin compatible with 14-bit and other 12-bit versions.
