ADS5294 - 八通道 14 位、80MSPS 高 SNR 和低功耗 ADC

ADS5294是TI德州仪器公司的一款高速ADC(>10MSPS)产品，ADS5294是八通道 14 位、80MSPS 高 SNR 和低功耗 ADC，本站介绍了ADS5294的封装应用图解、特点和优点、功能等，并给出了与ADS5294相关的TI元器件型号供参考。

ADS5294 - 八通道 14 位、80MSPS 高 SNR 和低功耗 ADC - 高速ADC(>10MSPS) - 模数转换器 - 德州仪器

产品特性

Maximum Sample Rate: 80 MSPS/14-Bit
High Signal-to-Noise Ratio
- 75.5-dBFS SNR at 5 MHz / 80 MSPS
- 78.2-dBFS SNR at 5 MHz / 80 MSPS and Decimation Filter Enabled
- 84-dBc SFDR at 5 MHz / 80 MSPS
Low Power Consumption
- 58 mW/CH at 50 MSPS
- 77 mW/CH at 80 MSPS (2-LVDS Wire Per Channel)
Digital Processing Block
- 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
Flexible Serialized LVDS Outputs:
- One or Two Wires of LVDS Output Lines Per Channel Depending on ADC Sampling Rate
- Programmable Mapping Between ADC Input Channels and LVDS Output Pins-Eases Board Design
- Variety of Test Patterns to Verify Data Capture by FPGA/Receiver
Internal and External References
1.8-V Operation for Low Power Consumption
Low-Frequency Noise Suppression
Recovery From 6-dB Overload Within 1 Clock Cycle
Package: 12-mm × 12-mm 80-Pin QFP

产品应用

Ultrasound and Sonar Imaging
Communication Applications
Multi-channel Data Acquisition

产品说明

The ADS5294 is a low-power 80-MSPS 8-Channel ADC that uses CMOS process technology and innovative circuit techniques. Low power consumption, high SNR, low SFDR, and consistent overload recovery allow users to design high-performance systems.

The digital processing block of the ADS5294 integrates several commonly used digital functions for improving system performance. The device includes a digital filter module that has built-in decimation filters (with lowpass, highpass and bandpass characteristics). The decimation rate is also programmable (by 2, by 4, or by 8). This rate is useful for narrow-band applications, where the filters are used to conveniently improve SNR and knock-off harmonics, while at the same time reducing the output data rate. The device includes an averaging mode where two channels (or even four channels) are averaged to improve SNR.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
ADS5294	HTQFP (80)	12.00 mm × 12.00 mm

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