Optimizing LMH6554 to Drive High Speed ADCs (TIDA-00092)

This reference design shows the ability of the high-speed amplifier, LMH6554, to perform single-ended to differential conversion to drive high-speed analog-to-digital converters (ADCs) while maintaining excellent noise and distortion performance. Performance versus input frequency is shown for both AC and DC coupled applications while interfaced to the ADS4449 quad, 250-MSPS, 14-bit ADC. Various options for common-mode voltages, power supplies, and interfaces are discussed and measured to meet the requirements of a variety of applications. Anti-aliasing filter examples are shown along with the performance improvements that they provide.


High-speed single-ended to differential conversion while maintain excellent performance System performance results for LMH6554 driving ADS4449 SFDR > 82 dBFs, SNR > 71 dBFS in first Nyquist zone SFDR > 80 dBFs, SNR > 68 dBFS in second Nyquist zone Examples of both AC and DC coupled interfaces Demonstrates anti-aliasing filter design and performance gains Amplifier power supply design considerations for best performance are discussed


Схемы и диаграммы

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Спецификация (BOM)

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Optimizing LMH6554 to Drive High Speed ADCs TIDA-00092

Используемые компоненты

Производитель: Texas Instruments
LMH6554LEE/NOPB LMH6554LEE/NOPB Цена, руб. Срок поставки Укажите

2.8 GHz Ultra Linear Fully Differential Amplifier 14-UQFN -40 to 125 ИНФО
913,00 r
от 2 шт. 798,50 q
от 5 шт. 684,50 q
от 11 шт. 628,50 q
На складе: 10 шт.

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