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介紹 SIGMA-DELTA 基本理論
* D, M, S4 O9 K/ i2 {SIGMA-DELTA (SD) MEASUREMENT ADCS
: }; k4 m. G' u& |* R: mSIGMA-DELTA ADCs
8 n7 T2 c) F3 ` Low Cost, High Resolution (to 24-bits) Excellent DNL,
1 f' M* y8 C- o( f! F Low Power, but Limited Bandwidth
3 b" r0 }4 f, P; y Key Concepts are Simple, but Math is Complex
9 r. ^' Z" I' ~) o: T1 g2 D Oversampling' O5 y# p M; W0 l+ l) Q
Quantization Noise Shaping ?. t9 M* t2 ^6 y0 m) s
Digital Filtering& ?$ O9 E& a' G2 r) w3 {8 N8 C
Decimation
, l" K- @( a0 R$ a3 E {- P4 c Ideal for Sensor Signal Conditioning
4 i8 @. _. R3 v, z# E High Resolution
+ u: g- s9 \0 `+ u Self, System, and Auto Calibration Modes
: z3 m9 Q# K4 z! J1 O. E, e6 ~. h. `
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