ADS5525 - 具有 LVDS/CMOS 输出的 12 位 170MSPS ADC

ADS5525是TI德州仪器公司的一款高速ADC(>10MSPS)产品，ADS5525是具有 LVDS/CMOS 输出的 12 位 170MSPS ADC，本站介绍了ADS5525的封装应用图解、特点和优点、功能等，并给出了与ADS5525相关的TI元器件型号供参考。

ADS5525 - 具有 LVDS/CMOS 输出的 12 位 170MSPS ADC - 高速ADC(>10MSPS) - 模数转换器 - 德州仪器

产品描述

ADS5525 is a high performance 12-bit, 170-MSPS A/D converter. It offers state-of-the art functionality and performance using advanced techniques to minimize board space. Using an internal sample and hold and low jitter clock buffer, the ADC supports both high SNR and high SFDR at high input frequencies. It features programmable gain options that can be used to improve SFDR performance at lower full-scale analog input ranges.

In a compact 48-pin QFN, the device offers fully differential LVDS DDR (Double Data Rate) interface while parallel CMOS outputs can also be selected. Flexible output clock position programmability is available to ease capture and trade-off setup for hold times. At lower sampling rates, the ADC can be operated at scaled down power with no loss in performance. ADS5525 includes an internal reference, while eliminating the traditional reference pins and associated external decoupling. The device also supports an external reference mode.

The device is specified over the industrial temperature range (-40°C to 85°C).

产品特性

Maximum Sample Rate: 170 MSPS
12-Bit Resolution
No Missing Codes
Total Power Dissipation 1.1 W
Internal Sample and Hold
70.5-dBFS SNR at 70-MHz IF
84-dBc SFDR at 70-MHz IF
11 bits ENOB Minimum at 70-MHz IF
Double Data Rate (DDR) LVDS and Parallel CMOS Output Options
Programmable Gain up to 6 dB for SNR/SFDR Trade-Off at High IF
Reduced Power Modes at Lower Sample Rates
Supports input clock amplitude down to 400 mVPP
Clock Duty Cycle Stabilizer
No External Reference Decoupling Required
Internal and External Reference Support
Programmable Output Clock position to ease data capture
3.3-V Analog and Digital Supply
48-QFN Package (7 mm × 7 mm)
APPLICATIONS
- Wireless Communications Infrastructure
- Software Defined Radio
- Power Amplifier Linearization
- 802.16d/e
- Test and Measurement Instrumentation
- High Definition Video
- Medical Imaging
- Radar Systems

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