Overview
The LTC2188CUP, produced by Analog Devices Inc., is a two-channel simultaneous sampling 16-bit analog-to-digital converter (ADC) designed for digitizing high-frequency, wide dynamic range signals. This device is particularly suited for demanding communications applications, offering exceptional AC performance with a signal-to-noise ratio (SNR) of 77dB and a spurious free dynamic range (SFDR) of 90dB. The LTC2188CUP features low power consumption, with a total power dissipation of 76mW and 38mW per channel, and operates on a single 1.8V supply.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 16-bit | |
| Sampling Rate | Up to 20Msps | |
| SNR | 77dB | |
| SFDR | 90dB | |
| Power Consumption | 76mW Total, 38mW per Channel | mW |
| Supply Voltage | 1.8V | V |
| Input Ranges | 1V P-P to 2V P-P | |
| Full Power Bandwidth S/H | 550MHz | MHz |
| Output Modes | CMOS, DDR CMOS, or DDR LVDS | |
| Package | 64-Lead QFN (9mm x 9mm x 0.75mm w/ EP) | |
| Operating Temperature Range | 0°C to 70°C (LTC2188C), -40°C to 85°C (LTC2188I) | °C |
Key Features
- Two-channel simultaneous sampling ADC
- Low power consumption: 76mW total, 38mW per channel
- Single 1.8V supply
- CMOS, DDR CMOS, or DDR LVDS outputs
- Selectable input ranges: 1V P-P to 2V P-P
- 550MHz full power bandwidth S/H
- Optional data output randomizer and clock duty cycle stabilizer
- Shutdown and nap modes
- Serial SPI port for configuration
Applications
- Communications
- Cellular Base Stations
- Software Defined Radios
- Portable Medical Imaging
- Multi-Channel Data Acquisition
- Nondestructive Testing
Q & A
- What is the resolution and sampling rate of the LTC2188CUP?
The LTC2188CUP is a 16-bit ADC with a sampling rate of up to 20Msps. - What is the SNR and SFDR of the LTC2188CUP?
The SNR is 77dB and the SFDR is 90dB. - What are the power consumption and supply voltage of the LTC2188CUP?
The total power consumption is 76mW, with 38mW per channel, and it operates on a single 1.8V supply. - What are the available output modes for the LTC2188CUP?
The output modes include CMOS, DDR CMOS, and DDR LVDS. - What are the selectable input ranges for the LTC2188CUP?
The input ranges are selectable from 1V P-P to 2V P-P. - Does the LTC2188CUP have any power-saving modes?
Yes, it has shutdown and nap modes. - How is the LTC2188CUP configured?
It is configured via a serial SPI port. - What are some typical applications of the LTC2188CUP?
Typical applications include communications, cellular base stations, software defined radios, portable medical imaging, multi-channel data acquisition, and nondestructive testing. - What is the operating temperature range of the LTC2188CUP?
The operating temperature range is 0°C to 70°C for the LTC2188C and -40°C to 85°C for the LTC2188I. - What package type is the LTC2188CUP available in?
The LTC2188CUP is available in a 64-Lead QFN package (9mm x 9mm x 0.75mm w/ EP).
