HRF8001型800MHz、50mW电流反馈放大器800MHz-HuaRim.PDF

HRF8001 型800MHz、50mW 电流反馈放大器 800MHz, 50mW Current Feedback Amplifier 特征 Features:  低功耗 Low Power 5.5 mA Max Power Supply Current (55 mW)  高速和快速建立 High Speed and Fast Settling 880 MHz, –3 dB Bandwidth (G = +1) 440 MHz, –3 dB Bandwidth (G = +2) 1200 V/ms Slew Rate 10 ns Settling Time to 0.1%  低失真 Low Distortion –65 dBc THD, fC = 5 MHz 33 dBm 3rd Order Intercept, F1 = 10 MHz –66 dB SFDR, f = 5 MHz  高输出驱动 High Output Drive 70 mA Output Current Drives Up to Four Back-Terminated Loads (75 V Each) While Maintaining Good Differential Gain/Phase Performance (0.05%/0.258) 描述 Description: HRF8001 是一款低功耗，高速，设计用于±5V 电源供电的运算放大器。HRF8001 具有独 特的线性阻抗电路的特征。这使得它在驱动视频负载时具有极好的差分增益和相位特性且仅 有50 mW 的功耗。该HRF8001 是一个电流反馈型放大器，其100MHz 时的增益平坦度为0.1 dB， 同时差分增益0.01 ％，相位误差0.025 °。这使得HRF8001 非常适合于专业视频电子设备，如 相机和视频切换。此外，HRF8001 的低失真和快速建立使其理想用于缓冲区高速A-D 转换器。 该HRF8001 的功耗最大仅5.5 mA （VS= ±5 V ），并且可以在单一的+12 V 电源下运行， -1- 同时能够提供超过70 mA 的电流负载。这些特性使该放大器非常适合用于有严格尺寸和功耗 要求的便携式电池供电应用。 800MHz 的出色带宽，1200 V/ us 的压摆率使HRF8001 用在许多通用高速应用，可根据需 要选择±6V 的双电源供电或6 V 至12 V 的单电源供电。 The HRF8001 is a low power, high-speed amplifier designed to operate on ±5 V supplies. The HRF8001 features unique transimpedance linearization circuitry. This allows it to drive video loads with excellent differential gain and phase performance on only 50 mW of power. The HRF8001 is a current feedback amplifier and features gain flatness of 0.1 dB to 100 MHz while offering differential gain and phase error of 0.01% and 0.025 °. This makes the HRF8001 ideal for professional video electronics such as cameras and video switchers. Additionally, the HRF8001’s low distortion and fast settling make it ideal for buffer high-speed A-to-D converters. The HRF8001 offers low power of