Overview
The LTC2190CUKG, produced by Analog Devices Inc., is a 16-bit, 25Msps (Mega Samples Per Second) dual analog-to-digital converter (ADC) designed for digitizing high frequency, wide dynamic range signals. This device is part of the LTC2192/LTC2191/LTC2190 family, which are known for their high performance and low power consumption. The LTC2190 is particularly suited for demanding applications such as communications, cellular base stations, software-defined radios, portable medical imaging, multi-channel data acquisition, and nondestructive testing.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Bits | 16 | |
| Number of A/D Converters | 2 | |
| Sampling Rate | 25 | MSPS |
| Analog Supply Voltage | 1.7 - 1.9 | V |
| Digital Supply Voltage | 1.7 - 1.9 | V |
| Input Type | Differential | |
| Input Voltage Range | 1V P-P to 2V P-P | |
| Full-Power Bandwidth S/H | 550 | MHz |
| SNR | 77 | dB |
| SFDR | 90 | dB |
| Jitter | 0.07 | ps RMS |
| Package Type | 52-QFN (7x8mm) | |
| Operating Temperature | 0°C to 70°C |
Key Features
- 2-channel simultaneous sampling ADC
- Serial LVDS outputs: 1, 2, or 4 bits per channel
- Low power consumption: 104mW total, 52mW 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 at full speed
- 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 LTC2190CUKG?
The LTC2190CUKG has a sampling rate of 25 Msps.
- How many bits does the LTC2190CUKG ADC have?
The LTC2190CUKG is a 16-bit ADC.
- What is the input type of the LTC2190CUKG?
The input type is differential.
- What is the full-power bandwidth of the sample-and-hold (S/H) circuit?
The full-power bandwidth of the S/H circuit is 550 MHz.
- What are the typical SNR and SFDR values for the LTC2190CUKG?
The typical SNR is 77 dB, and the typical SFDR is 90 dB.
- What is the jitter performance of the LTC2190CUKG?
The jitter performance is 0.07 ps RMS.
- What is the package type of the LTC2190CUKG?
The package type is a 52-QFN (7x8mm).
- What are the operating temperature ranges for the LTC2190CUKG?
The operating temperature range is from 0°C to 70°C.
- Does the LTC2190CUKG support serial LVDS outputs?
- What power management features does the LTC2190CUKG have?
