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精简型 DC-DC 降压电路 概述： 是精简型 DC-DC 降压变换器集成电路，内含温度补偿的参考电压源 1.25V比较器 能有效限制电流及控制工作周期的振荡器、驱

Data Sheet FEATURES 128 integrator channels Correlated double sample error correction (CDS) Corrects for VOS and LF noise Power consumption per channel Normal: 11 mW Low power: 4 mW Low input leakage current: −1.5 pA typical Low input referred noise (QNI): 993 e−rms typical L

a FEATURES 2 ␮s ADC with T/H 4-Channel MUX AD899 Compatible +5 Volt Operation On-Chip Reference 4 ␮s Voltage Output DAC Fast Bus Access Time—75 ns APPLICATIONS Servo Controls Digitally Controlled Calibration Process Control Equipment A0 A1 VI N A VIN B VI N C VI N D RS INT

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 overvol

r.ANALOG WDEVICES Preliminary Technical Data FEATURES High common-mode input voltage range -2V to +70 V continuous -20V to +75 V survival Typical 1.0 IJV/0 ( offset drift 2.0 MHz Bandwidth Maximum ±400 IJV voltage offset over full temperature range Initial gain= 20VN Wide operat