BW1 =
1
2π (1/2R A) C2
BW2 =
1
2π RIN CIN
BW4 =
1
2π RLOAD
COUT
FOR R A = R B
AND BW1 = 1/10TH BW2,
BW3, AND BW4
WHERE X C1
BW3 =
1
2π R1 C1
TO MINIMIZE INPUT BIAS CURRENT ERRORS,
R2 SHOULD EQUAL R IN +
FOR AC SIGNALS, VOUT = VIN (1 + (R2/R1))
(1/2 R A)
* AN-581
One Technology Way t P.O. B ox 9106 t Norwood, MA 02062-9106 t Tel: 781/329-4700 t Fax: 781/326-8703 t www.analog.com
Kitchin
ǖCharles
PSR6 dB
……
