Overview
The LTC2155CUP-14 from Analog Devices Inc. is a high-performance, dual-channel 14-bit analog-to-digital converter (ADC) designed for various high-speed applications. This ADC operates at a sampling rate of 170 Msps and is powered by a single 1.8V supply, making it highly efficient in terms of power consumption. The device features a pipelined architecture and supports simultaneous sampling, which is crucial for applications requiring precise and synchronized data acquisition.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Bits | 14 | |
| Sampling Rate | 170 | MSPS |
| Number of Inputs | 2 | |
| Number of A/D Converters | 2 | |
| Input Type | Differential | |
| Supply Voltage (Analog/Digital) | 1.7V ~ 1.9V | V |
| Reference Type | External, Internal | |
| Ratio - S/H:ADC | 1:1 | |
| Data Interface | LVDS - Parallel | |
| Package | 64-QFN (9x9) | |
| Operating Temperature | 0°C ~ 70°C | °C |
| SNR | 70 dB | dB |
| SFDR | 90 dB | dB |
| Power Consumption | 567 mW | mW |
Key Features
- Simultaneous Sampling: Allows for synchronized data acquisition from both channels.
- Pipelined Architecture: Enhances the conversion speed and efficiency.
- Differential Input Type: Provides better noise immunity and signal integrity.
- LVDS - Parallel Data Interface: Supports high-speed data transfer.
- Low Power Consumption: Operates at 567 mW total power, making it energy-efficient.
- Single 1.8V Supply: Simplifies power management and reduces component count.
- Optional Clock Duty Cycle Stabilizer: Ensures stable clock operation.
- Low Power Sleep and Nap Modes: Reduces power consumption during idle periods.
- Serial SPI Port for Configuration: Allows for easy configuration and control.
Applications
- Communications: Cellular base stations, software-defined radios.
- Medical Imaging: High-speed data acquisition for medical imaging systems.
- High Definition Video: Video processing and capture systems.
- Testing and Measurement Instruments: High-speed data acquisition for test equipment.
Q & A
- What is the sampling rate of the LTC2155CUP-14?
The sampling rate of the LTC2155CUP-14 is 170 Msps.
- How many bits does the LTC2155CUP-14 ADC have?
The LTC2155CUP-14 is a 14-bit ADC.
- What type of input does the LTC2155CUP-14 support?
The LTC2155CUP-14 supports differential inputs.
- What is the supply voltage range for the LTC2155CUP-14?
The supply voltage range for both analog and digital supplies is 1.7V ~ 1.9V.
- What is the data interface type of the LTC2155CUP-14?
The data interface is LVDS - Parallel.
- What is the package type of the LTC2155CUP-14?
The LTC2155CUP-14 is packaged in a 64-QFN (9x9) package.
- What are the operating temperature ranges for the LTC2155CUP-14?
The operating temperature range is 0°C ~ 70°C.
- Does the LTC2155CUP-14 support simultaneous sampling?
Yes, the LTC2155CUP-14 supports simultaneous sampling.
- What are some typical applications of the LTC2155CUP-14?
Typical applications include communications, medical imaging, high definition video, and testing and measurement instruments.
- Does the LTC2155CUP-14 have low power modes?
Yes, the LTC2155CUP-14 has low power sleep and nap modes to reduce power consumption during idle periods.
