Overview
The LTC2195CUKG 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 |
|---|---|---|---|---|---|
| Analog Supply Voltage (VDD) | 1.7 | 1.8 | 1.9 | V | |
| Digital Supply Voltage (OVDD) | 1.7 | 1.8 | 1.9 | V | |
| Sampling Rate | 125 | Msps | |||
| Number of Bits | 16 | ||||
| Input Type | Differential | ||||
| SNR | -1dBFS, 125Msps | 76.8 | dB | ||
| SFDR | -1dBFS, 125Msps | 90 | dB | ||
| Jitter | 0.07 | psRMS | |||
| Integral Nonlinearity (INL) | ±2LSB | ||||
| Differential Nonlinearity (DNL) | ±0.5LSB | ||||
| Operating Temperature | 0 | 70 | °C | ||
| Package | 52-QFN (7x8) |
Key Features
- 2-channel simultaneous sampling ADC
- Serial LVDS outputs: 1, 2, or 4 bits per channel
- Low power consumption: 432mW total (216mW per channel)
- Single 1.8V supply
- Selectable input ranges: 1V p-p to 2V p-p
- 550MHz full-power bandwidth sample-and-hold (S/H)
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Internal clock duty cycle stabilizer for high performance across various clock duty cycles
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 LTC2195CUKG?
The LTC2195CUKG has a sampling rate of 125 Msps. - How many bits does the LTC2195CUKG ADC have?
The LTC2195CUKG is a 16-bit ADC. - What is the input type of the LTC2195CUKG?
The input type is differential. - What is the SNR of the LTC2195CUKG?
The signal-to-noise ratio (SNR) is 76.8 dB at -1dBFS and 125 Msps. - What is the SFDR of the LTC2195CUKG?
The spurious free dynamic range (SFDR) is 90 dB at -1dBFS and 125 Msps. - What is the jitter performance of the LTC2195CUKG?
The jitter is 0.07 psRMS. - What are the operating temperature ranges for the LTC2195CUKG?
The operating temperature range is from 0°C to 70°C. - What package type does the LTC2195CUKG come in?
The LTC2195CUKG comes in a 52-QFN (7x8) package. - Does the LTC2195CUKG support multiple output modes?
Yes, it supports serial LVDS outputs with options for 1, 2, or 4 bits per channel. - What power management features does the LTC2195CUKG have?
The LTC2195CUKG has shutdown and nap modes for power management.
