Overview
The ADS5294IPFPR, produced by Texas Instruments, is a high-performance, octal-channel analog-to-digital converter (ADC) designed for various high-speed data acquisition applications. This 14-bit ADC operates at a maximum sample rate of 80 MSPS and is renowned for its high signal-to-noise ratio (SNR) and low power consumption. The device utilizes CMOS process technology and incorporates innovative circuit techniques to achieve low power consumption, high SNR, and consistent overload recovery, making it ideal for designing high-performance systems.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 14 bits |
| Maximum Sample Rate | 80 MSPS |
| Signal-to-Noise Ratio (SNR) | 75.5 dBFS at 5 MHz / 80 MSPS, 78.2 dBFS with decimation filter enabled |
| Spurious Free Dynamic Range (SFDR) | 84 dBc at 5 MHz / 80 MSPS |
| Power Consumption | 58 mW/CH at 50 MSPS, 77 mW/CH at 80 MSPS (2-LVDS wire per channel) |
| Operating Voltage | 1.8 V |
| Package | 12-mm × 12-mm 80-Pin QFP |
| Operating Temperature Range | -40°C to 85°C |
Key Features
- Programmable FIR decimation filter and oversampling to minimize harmonic interference
- Programmable IIR high-pass filter to minimize DC offset
- Programmable digital gain: 0 dB to 12 dB
- 2-channel or 4-channel averaging mode to improve SNR
- Flexible serialized LVDS outputs: one or two wires per channel depending on the ADC sampling rate
- Programmable mapping between ADC input channels and LVDS output pins to ease board design
- Variety of test patterns to verify data capture by FPGA/receiver
- Internal and external reference options
- Low-frequency noise suppression
- Recovery from 6-dB overload within 1 clock cycle
Applications
- Ultrasound and sonar imaging
- Communication applications
- Multi-channel data acquisition
Q & A
- What is the maximum sample rate of the ADS5294IPFPR?
The maximum sample rate of the ADS5294IPFPR is 80 MSPS. - What is the resolution of the ADS5294IPFPR?
The resolution of the ADS5294IPFPR is 14 bits. - What is the signal-to-noise ratio (SNR) of the ADS5294IPFPR?
The SNR of the ADS5294IPFPR is 75.5 dBFS at 5 MHz / 80 MSPS and 78.2 dBFS with the decimation filter enabled. - How much power does the ADS5294IPFPR consume per channel?
The power consumption is 58 mW/CH at 50 MSPS and 77 mW/CH at 80 MSPS (2-LVDS wire per channel). - What type of package does the ADS5294IPFPR come in?
The ADS5294IPFPR comes in a 12-mm × 12-mm 80-Pin QFP package. - What are the key features of the digital processing block in the ADS5294IPFPR?
The digital processing block includes programmable FIR decimation filters, IIR high-pass filters, and programmable digital gain. - Can the ADS5294IPFPR use both internal and external references?
Yes, the ADS5294IPFPR can use both internal and external references. - What is the operating voltage of the ADS5294IPFPR?
The operating voltage of the ADS5294IPFPR is 1.8 V. - What are some common applications of the ADS5294IPFPR?
Common applications include ultrasound and sonar imaging, communication applications, and multi-channel data acquisition. - How does the ADS5294IPFPR handle overload conditions?
The ADS5294IPFPR can recover from a 6-dB overload within 1 clock cycle.
