Overview
The LTC2258CUJ-12#TRPBF 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, offering a sampling rate of 65 megasamples per second (MSPS) and precise 12-bit resolution. It operates on a single 1.8V supply and is available in a 40-lead QFN (6mm x 6mm x 0.75mm) package with an exposed pad.
Key Specifications
Parameter | Value |
---|---|
Part Number | LTC2258CUJ-12#TRPBF |
Manufacturer | Analog Devices, Inc. |
Description | IC ADC 12BIT 65MSPS 1.8V 40-QFN |
Number of Bits | 12 |
Sampling Rate | 65 MSPS |
Input Type | Differential |
Data Interface | LVDS - Parallel, Parallel |
Configuration | S/H-ADC |
Architecture | Pipelined |
Analog Supply Voltage | 1.7V ~ 1.9V |
Digital Supply Voltage | 1.7V ~ 1.9V |
Operating Temperature | -40°C ~ 85°C |
Package / Case | 40-WFQFN Exposed Pad |
Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- High-Speed Sampling: 65 MSPS sampling rate for high-frequency signal digitization.
- Precise Resolution: 12-bit resolution for accurate measurements.
- Low Power Consumption: Operates at 79mW, 47mW, or 34mW depending on the mode.
- Flexible Data Interfaces: Supports LVDS, parallel, and CMOS outputs.
- Selectable Input Ranges: Input ranges from 1V P-P to 2V P-P.
- High AC Performance: 71.1dB SNR and 88dB SFDR for excellent signal quality.
- Low Jitter: Ultralow jitter of 0.17ps RMS for undersampling IF frequencies.
- Optional Features: Includes optional data output randomizer and clock duty cycle stabilizer.
- Power Management: Shutdown and nap modes for power efficiency.
- Configuration Port: Serial SPI port for configuration.
Applications
- Communications: Ideal for cellular base stations and software-defined radios.
- Portable Medical Imaging: Suitable for high-resolution imaging applications.
- Multi-Channel Data Acquisition: Used in systems requiring multiple high-speed ADCs.
- Nondestructive Testing: Applicable in testing and inspection systems.
Q & A
- What is the sampling rate of the LTC2258CUJ-12#TRPBF?
The sampling rate is 65 megasamples per second (MSPS).
- What is the resolution of the LTC2258CUJ-12#TRPBF?
The resolution is 12 bits.
- What type of data interfaces does the LTC2258CUJ-12#TRPBF support?
It supports LVDS, parallel, and CMOS outputs.
- What is the operating temperature range of the LTC2258CUJ-12#TRPBF?
The operating temperature range is -40°C to 85°C.
- What is the package type of the LTC2258CUJ-12#TRPBF?
The package type is 40-WFQFN Exposed Pad.
- Does the LTC2258CUJ-12#TRPBF support external and internal references?
- What are the power consumption modes of the LTC2258CUJ-12#TRPBF?
The power consumption modes are 79mW, 47mW, and 34mW depending on the mode.
- Does the LTC2258CUJ-12#TRPBF have optional features like data output randomizer and clock duty cycle stabilizer?
- What is the significance of the low jitter in the LTC2258CUJ-12#TRPBF?
The ultralow jitter of 0.17ps RMS allows for undersampling IF frequencies with excellent noise performance.
- Can the LTC2258CUJ-12#TRPBF be used in multi-channel data acquisition systems?