Datasheet Analog Devices AD8475ARMZ — Datenblatt

Precision, Selectable Gain,
Fully Differential Funnel Amplifier
AD8475 Data Sheet 13 –VS 14 –VS 15 –VS 16 +IN 0.4x FUNCTIONAL BLOCK DIAGRAMS 1kΩ +IN 0.4x 1
1.25kΩ
+IN 0.8x 2 11 –OUT AD8475 1.25kΩ –IN 0.8x 3 12 NC 1.25kΩ 10 +OUT 1.25kΩ 1kΩ –IN 0.4x 4 VOCM 09432-001 +VS 8 +VS 7 9 +VS 6 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/√Hz output noise
3 ppm/°C gain drift
500 μV maximum output offset
50 V/μs slew rate
Low power: 3.2 mA supply current –IN 0.4x 5 FEATURES NC = NO CONNECT NC
7 –OUT –VS
8 6 +IN 0.4x
9 10 1kΩ 1.25kΩ 1kΩ The AD8475 is a simple to use, fully integrated precision gain …