Overview
The Texas Instruments ADS4145IRGZT is a high-performance, 14-bit analog-to-digital converter (ADC) designed for applications requiring high speed and low power consumption. This ADC operates at a sampling rate of up to 125 MSPS and is part of the ADS41xx family, known for its ultra-low power consumption and high dynamic performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14 Bits | |
| Sampling Rate | 3 MSPS to 125 MSPS | MSPS |
| Signal-to-Noise Ratio (SNR) | 72.2 dBFS at 170 MHz | dBFS |
| Spurious Free Dynamic Range (SFDR) | 81 dBc at 170 MHz | dBc |
| Total Power Consumption | 103 mW at 65 MSPS, 153 mW at 125 MSPS | mW |
| Analog Supply Voltage | 1.7 to 1.9 V | V |
| Digital Supply Voltage | 1.7 to 1.9 V | V |
| Operating Temperature Range | -40°C to 85°C | °C |
| Input Clock Amplitude (Differential) | 0.2 to 1.5 VPP (sine wave, ac-coupled) | VPP |
Key Features
- High dynamic performance with SNR of 72.2 dBFS and SFDR of 81 dBc at 170 MHz input frequency.
- Ultra-low power consumption: 103 mW at 65 MSPS and 153 mW at 125 MSPS.
- Support for both LVDS and CMOS output interfaces.
- Differential analog input with a maximum input frequency of 400 MHz for 2-VPP amplitude and 800 MHz for 1-VPP amplitude.
- Programmable features through a serial interface.
- Idle channel SNR of 74.8 dBFS.
Applications
- Imaging systems, including medical imaging and industrial imaging.
- Radar and electronic warfare systems.
- High-speed data acquisition systems.
- Test and measurement equipment.
- Aerospace and defense applications requiring high-speed, low-power ADCs.
Q & A
- What is the resolution of the ADS4145IRGZT ADC?
The ADS4145IRGZT has a resolution of 14 bits.
- What are the sampling rates supported by the ADS4145IRGZT?
The ADC supports sampling rates from 3 MSPS to 125 MSPS.
- What is the signal-to-noise ratio (SNR) of the ADS4145IRGZT at 170 MHz input frequency?
The SNR is 72.2 dBFS at 170 MHz input frequency.
- What is the spurious free dynamic range (SFDR) of the ADS4145IRGZT at 170 MHz input frequency?
The SFDR is 81 dBc at 170 MHz input frequency.
- What is the total power consumption of the ADS4145IRGZT at different sampling rates?
The total power consumption is 103 mW at 65 MSPS and 153 mW at 125 MSPS.
- What are the supported output interfaces for the ADS4145IRGZT?
The ADC supports both LVDS and CMOS output interfaces.
- What is the maximum analog input frequency for the ADS4145IRGZT?
The maximum analog input frequency is 400 MHz for a 2-VPP amplitude and 800 MHz for a 1-VPP amplitude.
- How can the ADS4145IRGZT be programmed?
The ADC can be programmed through a serial interface.
- What is the idle channel SNR of the ADS4145IRGZT?
The idle channel SNR is 74.8 dBFS.
- In what types of applications is the ADS4145IRGZT commonly used?
The ADS4145IRGZT is commonly used in imaging systems, radar and electronic warfare systems, high-speed data acquisition systems, test and measurement equipment, and aerospace and defense applications.
