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THS4509,pdf(Wideband, Low-Nois

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  • 标      签: Amplifier

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The THS4509 is a wideband, fully-differenTIal op amp designed for 5-V data acquisiTIon systems. It has a low noise at 1.9 nV/√Hz, and low harmonic distorTIon of –75 dBc HD2 and –80 dBc HD3 at 100 MHz with 2 VPP, G = 10 dB, and 1 k load. Slew rate is high at 6600 V/µs, and with settling TIme of 2 ns to 1% (2-V step), it is ideal for pulsed applications. It is designed for a minimum gain of 6 dB, but is optimized for gains of 10 dB. To allow for dc coupling to analog-to-digital converters (ADCs), its unique output common-mode control circuit maintains the output common-mode voltage within 3-mV offset (typ) from the set voltage, when set within 0.5-V of midsupply, with less than 4-mV differential offset voltage.
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