|
介紹 SIGMA-DELTA 基本理論
; u w4 @5 `6 Z9 n: cSIGMA-DELTA (SD) MEASUREMENT ADCS' z. w9 f+ ^: k3 U) m6 D7 u' R' d
SIGMA-DELTA ADCs* N* e1 P, A& P$ t2 ?% o( T+ g
Low Cost, High Resolution (to 24-bits) Excellent DNL,
4 ^- h. c+ b' T6 o7 e9 N' G& y Low Power, but Limited Bandwidth6 e) w2 B) F+ l _
Key Concepts are Simple, but Math is Complex0 X- O- U/ r4 X2 N
Oversampling
7 ]! j& w2 k3 p0 P c Quantization Noise Shaping
5 C& d0 a) a7 @' g' z1 ]0 q Digital Filtering
" K- e( P, M/ l" @6 W" G8 y Decimation+ \ g4 Y" X |; w& g9 L
Ideal for Sensor Signal Conditioning+ }3 c4 L9 m8 `2 E7 c# f4 b5 d
High Resolution! q1 {* K: y& H6 t1 }2 l
Self, System, and Auto Calibration Modes* D }+ \/ G6 I' p1 I
7 ]$ h: K) q$ H0 g/ f
|
本帖子中包含更多資源
您需要 登錄 才可以下載或查看,沒有帳號?申請會員
x
|