Overview
The LTC2259IUJ-14 is a 14-bit, 80Msps ultra-low power analog-to-digital converter (ADC) produced by Analog Devices Inc. This ADC is designed for digitizing high frequency, wide dynamic range signals, making it suitable for demanding communications and other high-performance applications. It features a single 1.8V supply, low power consumption, and high AC performance, including a signal-to-noise ratio (SNR) of 73.4dB and a spurious free dynamic range (SFDR) of 85dB.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Bits | 14 |
| Sampling Rate | 80 Msps |
| Input Type | Differential/Single-Ended |
| Data Interface | LVDS - Parallel, Parallel |
| Architecture | Pipelined |
| Reference Type | External, Internal |
| Voltage - Supply, Analog/Digital | 1.7V ~ 1.9V |
| Operating Temperature | -40°C ~ 85°C |
| Package / Case | 40-QFN (6mm x 6mm x 0.75mm w/ EP) |
| Power Dissipation | 89 mW |
| SNR | 73.4 dB |
| SFDR | 85 dB |
| DNL (Differential Nonlinearity) | 0.3 LSB |
| INL (Integral Nonlinearity) | 1 LSB |
Key Features
- Ultra-low power consumption: 127mW/106mW/89mW
- Single 1.8V supply
- CMOS, DDR CMOS or DDR LVDS outputs
- Selectable input ranges: 1V P-P to 2V P-P
- 800MHz full-power bandwidth sample-and-hold amplifier
- Optional data output randomizer and clock duty cycle stabilizer
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Pin compatible 14-bit and 12-bit versions
- Low jitter: 0.17ps RMS
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 LTC2259IUJ-14 ADC?
The LTC2259IUJ-14 is a 14-bit analog-to-digital converter.
- What is the sampling rate of the LTC2259IUJ-14?
The sampling rate of the LTC2259IUJ-14 is 80 Msps.
- What types of output interfaces are available for the LTC2259IUJ-14?
The digital outputs can be either full rate CMOS, double data rate CMOS, or double data rate LVDS.
- What is the power consumption of the LTC2259IUJ-14?
The power consumption is 89 mW in normal operation, with options for shutdown and nap modes for lower power consumption.
- What is the operating temperature range of the LTC2259IUJ-14?
The operating temperature range is -40°C to 85°C.
- What package type is the LTC2259IUJ-14 available in?
The LTC2259IUJ-14 is available in a 40-QFN (6mm x 6mm x 0.75mm w/ EP) package.
- What are the key AC performance metrics of the LTC2259IUJ-14?
The key AC performance metrics include a SNR of 73.4 dB and an SFDR of 85 dB.
- Does the LTC2259IUJ-14 support differential or single-ended inputs?
The LTC2259IUJ-14 supports both differential and single-ended inputs.
- Are there any optional features available for the LTC2259IUJ-14?
Yes, optional features include a data output randomizer and a clock duty cycle stabilizer.
- What are some typical applications for the LTC2259IUJ-14?
Typical applications include communications, cellular base stations, software defined radios, portable medical imaging, multi-channel data acquisition, and nondestructive testing.
