Overview
The LTC2191CUKG is a high-speed, low-power, dual 16-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the LTC2192/LTC2191/LTC2190 family, designed for digitizing high-frequency, wide dynamic range signals. It features simultaneous sampling of two analog inputs, making it ideal for demanding applications such as communications, medical imaging, and test and measurement equipment.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of A/D Converters | 2 | |
| Resolution | 16-bit | |
| Sampling Rate | 40 Msps | |
| Architecture | Pipelined | |
| Reference Type | External, Internal | |
| Analog Supply Voltage | 1.7 V to 1.9 V | V |
| Digital Supply Voltage | 1.7 V to 1.9 V | V |
| Input Type | Differential | |
| Operating Temperature | 0°C to 70°C | °C |
| Package | 52-WFQFN Exposed Pad | |
| SNR | 77 dB | dB |
| SFDR | 90 dB | dB |
| Jitter | 0.07 ps RMS | ps |
Key Features
- Simultaneous sampling of two analog inputs
- High-speed 40 Msps sampling rate
- Low power consumption: 198 mW total, 99 mW per channel
- Flexible reference options: internal or external
- Serial LVDS outputs: 1, 2, or 4 bits per channel
- Selectable input ranges: 1 Vpp to 2 Vpp
- 550 MHz full-power bandwidth sample-and-hold
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Ultralow jitter of 0.07 ps RMS for excellent noise performance
Applications
- Communications infrastructure, including cellular base stations and software-defined radios
- Portable medical imaging systems
- Multi-channel data acquisition systems
- Nondestructive testing equipment
- Industrial automation
- Test and measurement equipment
- Aerospace and defense applications
Q & A
- What is the resolution of the LTC2191CUKG ADC?
The LTC2191CUKG has a resolution of 16 bits.
- What is the sampling rate of the LTC2191CUKG?
The sampling rate of the LTC2191CUKG is 40 Msps.
- What type of architecture does the LTC2191CUKG use?
The LTC2191CUKG uses a pipelined ADC architecture.
- What are the analog and digital supply voltage ranges for the LTC2191CUKG?
The analog and digital supply voltage ranges are both 1.7 V to 1.9 V.
- What is the operating temperature range of the LTC2191CUKG?
The operating temperature range is 0°C to 70°C.
- What type of package does the LTC2191CUKG come in?
The LTC2191CUKG comes in a 52-WFQFN Exposed Pad package.
- What is the SNR and SFDR of the LTC2191CUKG?
The SNR is 77 dB, and the SFDR is 90 dB.
- What is the jitter performance of the LTC2191CUKG?
The jitter is 0.07 ps RMS.
- What are some common applications for the LTC2191CUKG?
Common applications include communications infrastructure, medical imaging, data acquisition, nondestructive testing, industrial automation, test and measurement, and aerospace and defense.
- Does the LTC2191CUKG support simultaneous sampling?
Yes, the LTC2191CUKG supports simultaneous sampling of two analog inputs.
