Overview
The LTC2158-14, produced by Analog Devices Inc., is a high-performance, dual 14-bit analog-to-digital converter (ADC) designed for applications requiring the digitization of high-frequency, wide dynamic range signals. This ADC operates at a sampling rate of 310 Msps and is particularly suited for demanding communications, medical imaging, high-definition video, and testing and measurement applications. It features a single 1.8V supply, low power consumption, and double data rate (DDR) LVDS outputs, making it an efficient and reliable choice for various high-speed data acquisition systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14-bit | |
| Sampling Rate | 310 Msps | |
| Signal-to-Noise Ratio (SNR) | 68.8 dBFS | |
| Spurious Free Dynamic Range (SFDR) | 88 dB | |
| Power Consumption | 724 mW | |
| Supply Voltage | 1.8 V | |
| Input Range | 1.32 V P-P | |
| Full Power Bandwidth | 1.25 GHz | |
| Output Type | DDR LVDS | |
| Package Type | 64-Lead QFN (9mm x 9mm x 0.75mm) | |
| Operating Temperature Range | -40°C to 85°C (I Grade), 0°C to 70°C (C Grade) |
Key Features
- Single 1.8V supply
- Low power consumption: 724 mW total
- DDR LVDS outputs for high-speed data transfer
- Easy-to-drive 1.32 V P-P input range
- 1.25 GHz full power bandwidth sample-and-hold (S/H)
- Optional clock duty cycle stabilizer
- Low power sleep and nap modes for energy efficiency
- Serial SPI port for configuration
- Pin-compatible 12-bit version available
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 LTC2158-14 ADC?
The LTC2158-14 ADC operates at a sampling rate of 310 Msps.
- What is the signal-to-noise ratio (SNR) of the LTC2158-14?
The SNR of the LTC2158-14 is 68.8 dBFS.
- What is the spurious free dynamic range (SFDR) of the LTC2158-14?
The SFDR of the LTC2158-14 is 88 dB.
- How much power does the LTC2158-14 consume?
The LTC2158-14 consumes 724 mW of power.
- What is the supply voltage requirement for the LTC2158-14?
The LTC2158-14 requires a single 1.8V supply.
- What type of output does the LTC2158-14 provide?
The LTC2158-14 provides double data rate (DDR) LVDS outputs.
- What is the input range of the LTC2158-14?
The input range of the LTC2158-14 is 1.32 V P-P.
- What is the full power bandwidth of the sample-and-hold (S/H) circuit in the LTC2158-14?
The full power bandwidth of the S/H circuit is 1.25 GHz.
- Does the LTC2158-14 have low power modes?
Yes, the LTC2158-14 has low power sleep and nap modes for energy efficiency.
- How can the LTC2158-14 be configured?
The LTC2158-14 can be configured through a serial SPI port.
