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介紹 SIGMA-DELTA 基本理論
0 t1 C. S1 Y) k( e% dSIGMA-DELTA (SD) MEASUREMENT ADCS
6 c3 u m0 J9 Q3 `5 v3 YSIGMA-DELTA ADCs
/ M1 ~1 X2 N9 X6 E Low Cost, High Resolution (to 24-bits) Excellent DNL,1 G- N: \2 X0 i
Low Power, but Limited Bandwidth
a. r% P# J1 @$ @+ d% l Key Concepts are Simple, but Math is Complex# i3 [: h+ N. X5 @/ G' K2 x
Oversampling
2 Y, y& o7 d# W2 U, M Quantization Noise Shaping' o5 R! s( D! n- E% {3 Y
Digital Filtering" L; i# v' Y/ E( N
Decimation1 A: W8 K8 C6 T6 ?
Ideal for Sensor Signal Conditioning
8 t! Y& @% G( J9 `+ v High Resolution' N. f- Q- A* \- L& V
Self, System, and Auto Calibration Modes
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