Overview
The LTC2195IUKG, produced by Analog Devices Inc., is a 2-channel, simultaneous sampling 16-bit analog-to-digital converter (ADC) designed for digitizing high-frequency, wide dynamic range signals. This ADC is part of the LTC2195/LTC2194/LTC2193 family and is particularly suited for demanding communications applications due to its excellent AC performance and low power consumption.
Key Specifications
| Specification | Value |
|---|---|
| Number of Bits | 16 |
| Number of Channels | 2 |
| Sampling Rate | 125 Msps |
| Signal-to-Noise Ratio (SNR) | 76.8 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Input Type | Differential |
| Input Range | 1 V P-P to 2 V P-P |
| Full-Power Bandwidth S/H | 550 MHz |
| Power Consumption (Total) | 432 mW / 360 mW / 249 mW |
| Power Consumption (Per Channel) | 216 mW / 180 mW / 125 mW |
| Supply Voltage | 1.7 V to 1.9 V (Analog and Digital) |
| Operating Temperature | -40°C to 85°C |
| Package Type | 52-Lead QFN (7mm x 8mm x 0.75mm w/ EP) |
| Data Interface | Serial LVDS |
Key Features
- Simultaneous sampling of two channels
- Serial LVDS outputs: 1, 2, or 4 bits per channel
- Low power consumption with shutdown and nap modes
- Selectable input ranges: 1 V P-P to 2 V P-P
- Internal clock duty cycle stabilizer for high performance at full speed
- Optional internal termination and adjustable output levels for LVDS drivers
- Support for differential or single-ended inputs (sine wave, PECL, LVDS, TTL, CMOS)
Applications
- Communications
- Cellular Base Stations
- Software-Defined Radios
- Portable Medical Imaging
- Multi-Channel Data Acquisition
- Nondestructive Testing
Q & A
- What is the primary function of the LTC2195IUKG?
The primary function of the LTC2195IUKG is to convert high-frequency, wide dynamic range analog signals into digital signals. - How many channels does the LTC2195IUKG support?
The LTC2195IUKG supports two simultaneous sampling channels. - What is the sampling rate of the LTC2195IUKG?
The sampling rate of the LTC2195IUKG is 125 Msps. - What is the signal-to-noise ratio (SNR) of the LTC2195IUKG?
The SNR of the LTC2195IUKG is 76.8 dB. - What types of input signals can the LTC2195IUKG handle?
The LTC2195IUKG can handle differential or single-ended inputs, including sine wave, PECL, LVDS, TTL, and CMOS signals. - What is the power consumption of the LTC2195IUKG?
The total power consumption of the LTC2195IUKG is 432 mW / 360 mW / 249 mW, and per channel it is 216 mW / 180 mW / 125 mW. - What is the operating temperature range of the LTC2195IUKG?
The operating temperature range of the LTC2195IUKG is -40°C to 85°C. - What type of package does the LTC2195IUKG come in?
The LTC2195IUKG comes in a 52-Lead QFN (7mm x 8mm x 0.75mm w/ EP) package. - What are some common applications of the LTC2195IUKG?
Common applications include communications, cellular base stations, software-defined radios, portable medical imaging, multi-channel data acquisition, and nondestructive testing. - Does the LTC2195IUKG support low power modes?
Yes, the LTC2195IUKG supports shutdown and nap modes to reduce power consumption.
