Overview
The LTC2155CUP-12 is a dual 12-bit analog-to-digital converter (ADC) designed by Analog Devices Inc. This component is part of the LTC2155 family, which includes 12-bit and 14-bit versions, each optimized for digitizing high-frequency, wide dynamic range signals. The LTC2155CUP-12 operates at a sampling rate of 170 Msps and is particularly suited for demanding communications and high-performance applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | 170 Msps |
| Signal-to-Noise Ratio (SNR) | 68.5 dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB |
| Integral Linearity Error (INL) | ±0.26 LSB (typ) |
| Differential Linearity Error (DNL) | ±0.16 LSB (typ) |
| Input Bandwidth | 1.25 GHz |
| Supply Voltage | Single 1.8V |
| Power Consumption | 545 mW (total) |
| Package | 64-Lead QFN (9mm x 9mm x 0.75mm w/ EP) |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Low power consumption: 545 mW total power
- Single 1.8V supply voltage
- Double Data Rate (DDR) LVDS digital outputs
- Easy-to-drive 1.5V peak-to-peak input range
- Optional clock duty cycle stabilizer for high performance across a wide range of clock duty cycles
- Low power sleep and nap modes
- Serial SPI port for configuration
- Pin-compatible with 14-bit versions
Applications
- Communications
- Cellular Basestations
- Software Defined Radios
- Medical Imaging
- High Definition Video
- Testing and Measurement Instruments
Q & A
- What is the sampling rate of the LTC2155CUP-12?
The LTC2155CUP-12 has a sampling rate of 170 Msps.
- What is the resolution of the LTC2155CUP-12?
The resolution of the LTC2155CUP-12 is 12 bits.
- What is the signal-to-noise ratio (SNR) of the LTC2155CUP-12?
The SNR of the LTC2155CUP-12 is 68.5 dB.
- What type of digital outputs does the LTC2155CUP-12 have?
The LTC2155CUP-12 has Double Data Rate (DDR) LVDS digital outputs.
- What is the input bandwidth of the LTC2155CUP-12?
The input bandwidth of the LTC2155CUP-12 is 1.25 GHz.
- Does the LTC2155CUP-12 have low power modes?
Yes, the LTC2155CUP-12 has low power sleep and nap modes.
- What is the package type of the LTC2155CUP-12?
The LTC2155CUP-12 comes in a 64-Lead QFN (9mm x 9mm x 0.75mm w/ EP) package.
- What is the operating temperature range of the LTC2155CUP-12?
The operating temperature range of the LTC2155CUP-12 is -40°C to 85°C.
- Can the LTC2155CUP-12 be configured via a serial interface?
Yes, the LTC2155CUP-12 has a serial SPI port for configuration.
- What are some common applications of the LTC2155CUP-12?
The LTC2155CUP-12 is commonly used in communications, cellular basestations, software defined radios, medical imaging, high definition video, and testing and measurement instruments.
