AD8475 PDF Datasheet


Please enter the part number you wish to PDF download in the search bar.



Description

This is Fully Differential Funnel Amplifier. Data Sheet FEATURES Precision attenuation: G = 0.4, G = 0.8 Fully differential or single-ended input, output Differential output designed to drive precision ADCs Drives switched capacitor and Σ-Δ ADCs Rail-to-rail output VOCM pin adjusts output common-mode voltage Robust overvoltage protection up to ±15 V (VS = +5 V) Single supply: 3 V to 10 V Dual supplies: ±1.5 V to ±5 V High performance Suited for driving 18-bit converters up to 4 MSPS 10 nV, √H- output noise 3 ppm, °C gain drift 500 μV maximum output offset 50 V, μs slew rate Low power: 3.2 mA supply current Precision, Selectable Gain, Fully Differential Funnel Amplifier AD8475 FUNCTIONAL BLOCK DIAGRAMS 16 +IN 0.4x 15 VS 13 VS 1kΩ 1.25kΩ +IN 0.8x 2 IN 0.8x 3 1.25kΩ IN 0.4x 4 1.25kΩ 1.25kΩ +IN 0.4x 1 14 VS 12 NC 11 OUT AD8475 10 +OUT 1kΩ 9 VOCM IN 0.4x 5 +VS 7 +VS 6 +VS 8 NC = NO CONNECT +IN 0.8x ADC drivers Differential instrumentation amplifier building blocks Single-ended-to-differential converters +IN 0.4x A.