Overview
The LTC2185IUP#TRPBF is a high-performance, 16-bit, dual analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is part of the LTC2185 series, designed for simultaneous sampling of high-frequency, wide dynamic range signals. It is particularly suited for demanding applications in communications, medical imaging, and multi-channel data acquisition. The ADC features low power consumption, high signal-to-noise ratio (SNR), and spurious free dynamic range (SFDR), making it an ideal choice for applications requiring precise and reliable signal conversion.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16-bit |
| Sampling Rate | 125 Msps |
| Signal-to-Noise Ratio (SNR) | 76.8 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Power Consumption | 370 mW / 308 mW / 200 mW total, 185 mW / 154 mW / 100 mW per channel |
| Supply Voltage | Single 1.8 V |
| Input Range | Selectable: 1 V p-p to 2 V p-p |
| Full Power Bandwidth S/H | 550 MHz |
| Output Formats | CMOS, DDR CMOS, or DDR LVDS |
| Package | 64-Lead QFN (9mm x 9mm x 0.75mm w/ EP) |
Key Features
- Two-channel simultaneous sampling
- Low power consumption with shutdown and nap modes
- Optional data output randomizer and clock duty cycle stabilizer
- Serial SPI port for configuration
- Ultralow jitter of 0.07 ps RMS
- No missing codes over temperature, ±2 LSB INL (typ), ±0.5 LSB DNL (typ)
- Transition noise of 3.4 LSB 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 LTC2185IUP#TRPBF ADC?
The LTC2185IUP#TRPBF has a resolution of 16 bits. - What is the sampling rate of this ADC?
The sampling rate is 125 Msps. - What are the power consumption options for this ADC?
The total power consumption can be 370 mW, 308 mW, or 200 mW, with per-channel consumption of 185 mW, 154 mW, or 100 mW. - What are the output formats available for this ADC?
The digital outputs can be CMOS, DDR CMOS, or DDR LVDS. - What is the full power bandwidth of the sample-and-hold (S/H) amplifier?
The full power bandwidth of the S/H amplifier is 550 MHz. - What are the input range options for this ADC?
The input range is selectable from 1 V p-p to 2 V p-p. - Does this ADC support simultaneous sampling?
Yes, the LTC2185IUP#TRPBF supports two-channel simultaneous sampling. - What is the package type of this ADC?
The package type is a 64-Lead QFN (9mm x 9mm x 0.75mm w/ EP). - What are some typical applications for this ADC?
Typical applications include communications, cellular base stations, software defined radios, portable medical imaging, multi-channel data acquisition, and nondestructive testing. - Does this ADC have any power-saving modes?
Yes, it has shutdown and nap modes to reduce power consumption).
