Overview
The LTC2194CUKG is a high-performance, 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the LTC2195/LTC2194/LTC2193 family, designed for digitizing high-frequency, wide dynamic range signals. It features simultaneous sampling on two channels, making it ideal for demanding applications such as communications, cellular base stations, software-defined radios, and medical imaging.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Sampling Rate | 105 | Msps | |||
| Resolution | 16-bit | ||||
| SNR | –1dBFS, 105Msps | 76.8 | dB | ||
| SFDR | fIN = 70MHz, 105Msps | 90 | dB | ||
| Input Range | 1V P-P | 2V P-P | |||
| Analog Supply Voltage (VDD) | 1.7 | 1.8 | 1.9 | V | |
| Analog Supply Current (IVDD) | Sine Wave Input | 205 | 224 | 248 | mA |
| Digital Supply Current (IOVDD) | 2-Lane Mode, 1.75mA Mode | 15 | 20 | 27 | mA |
| Power Dissipation | 2-Lane Mode, 1.75mA Mode | 432 | mW | ||
| Package | 52-Pin QFN (7mm x 8mm x 0.75mm w/ EP) |
Key Features
- 2-Channel Simultaneous Sampling ADC
- Serial LVDS Outputs: 1, 2 or 4 Bits per Channel
- Low Power: 432mW/360mW/249mW Total
- Single 1.8V Supply
- Selectable Input Ranges: 1V P-P to 2V P-P
- 550MHz Full-Power Bandwidth S/H
- Shutdown and Nap Modes
- Serial SPI Port for Configuration
- Ultralow jitter of 0.07ps RMS
- Internal clock duty cycle stabilizer
- Optional internal termination and adjustable output levels for LVDS drivers
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 LTC2194CUKG?
The LTC2194CUKG has a sampling rate of 105 Msps.
- What is the resolution of the LTC2194CUKG?
The resolution of the LTC2194CUKG is 16 bits.
- What is the SNR of the LTC2194CUKG?
The SNR of the LTC2194CUKG is 76.8 dB at –1dBFS, 105Msps.
- What is the SFDR of the LTC2194CUKG?
The SFDR of the LTC2194CUKG is 90 dB at fIN = 70MHz, 105Msps.
- What are the input ranges of the LTC2194CUKG?
The input ranges of the LTC2194CUKG are selectable from 1V P-P to 2V P-P.
- What is the power consumption of the LTC2194CUKG?
The total power consumption of the LTC2194CUKG is 432mW in 2-Lane Mode, 1.75mA Mode.
- What is the package type of the LTC2194CUKG?
The LTC2194CUKG comes in a 52-Pin QFN (7mm x 8mm x 0.75mm w/ EP) package.
- Does the LTC2194CUKG support simultaneous sampling?
Yes, the LTC2194CUKG supports simultaneous sampling on two channels.
- What type of digital outputs does the LTC2194CUKG have?
The LTC2194CUKG has serial LVDS outputs, which can be configured to output 1, 2, or 4 bits per channel.
- Are there any power-saving modes available on the LTC2194CUKG?
Yes, the LTC2194CUKG has shutdown and nap modes to reduce power consumption.
