Overview
The ADS5294IPFP is a low-power, 80-MSPS, 8-channel analog-to-digital converter (ADC) produced by Texas Instruments. This device utilizes CMOS process technology and innovative circuit techniques to achieve high performance with low power consumption. It is designed to provide high signal-to-noise ratio (SNR), low spurious free dynamic range (SFDR), and consistent overload recovery, making it suitable for high-performance systems.
Key Specifications
| Parameter | Value |
|---|---|
| Maximum Sample Rate | 80 MSPS / 14-Bit |
| 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 Temperature Range | -40°C to 85°C |
| Package Type | 80-Pin HTQFP (12-mm × 12-mm) |
| ADC Resolution | Programmable to 12-bit or 14-bit |
| Output Interface | Flexible Serialized LVDS (one or two wires per channel) |
Key Features
- High Signal-to-Noise Ratio (SNR) and low SFDR for high-performance applications.
- Low power consumption with 1.8-V operation.
- Digital processing block with programmable FIR decimation filter, IIR high-pass filter, and digital gain (0 dB to 12 dB).
- 2-channel or 4-channel averaging mode to improve SNR.
- Flexible serialized LVDS outputs with programmable mapping between ADC input channels and LVDS output pins.
- Variety of test patterns to verify data capture by FPGA/receiver.
- Internal and external reference options with internal reference trimmed for accurate matching across devices.
- Low-frequency noise suppression and recovery from 6-dB overload within one clock cycle.
Applications
The ADS5294IPFP is suitable for various high-performance applications, including:
- Medical imaging and diagnostics.
- Radar and surveillance systems.
- High-speed data acquisition systems.
- Industrial control and automation.
- Aerospace and defense systems.
Q & A
- What is the maximum sample rate of the ADS5294IPFP?
The maximum sample rate is 80 MSPS at 14-bit resolution.
- What is the signal-to-noise ratio (SNR) of the ADS5294IPFP?
The SNR is 75.5 dBFS at 5 MHz / 80 MSPS, and 78.2 dBFS with the decimation filter enabled.
- How much power does the ADS5294IPFP consume?
The power consumption is 58 mW/CH at 50 MSPS and 77 mW/CH at 80 MSPS (2-LVDS wire per channel).
- What is the operating temperature range of the ADS5294IPFP?
The operating temperature range is -40°C to 85°C.
- What type of package does the ADS5294IPFP come in?
The device comes in an 80-Pin HTQFP (12-mm × 12-mm) package.
- Can the ADC resolution of the ADS5294IPFP be programmed?
Yes, the ADC resolution can be programmed to 12-bit or 14-bit through registers.
- What type of output interface does the ADS5294IPFP use?
The device uses flexible serialized LVDS outputs with one or two wires per channel depending on the sampling rate.
- Does the ADS5294IPFP have internal and external reference options?
Yes, it has both internal and external reference options, with the internal reference trimmed for accurate matching across devices.
- How does the ADS5294IPFP handle low-frequency noise and overload recovery?
The device features low-frequency noise suppression and can recover from a 6-dB overload within one clock cycle.
- Is the ADS5294IPFP compatible with other models?
Yes, the ADS5294IPFP is completely pin-to-pin and register compatible with the ADS5292.
