MT8888C
IN+
IN-
C
RIN
RF
GS
VOLTAGE GAIN
(AV) = RF / RIN
VRef
MT8888C
Figure 3 - Single-Ended Input Configuration
C1 R1
IN+
C2 R4
IN-
R5
GS
R3
R2
VRef
MT8888C
DIFFERENTIAL INPUT AMPLIFIER
C1 = C2 = 10 nF
R1 = R4 = R5 = 100 kΩ
R2 = 60kΩ, R3 = 37.5 kΩ
R3 = (R2R5)/(R2 + R5)
VOLTAGE GAIN
(AV diff) - R5/R1
INPUT IMPEDANCE
(ZINdiff) = 2 R12 + (1/ωC)2
Figure 4 - Differential Input Configuration
Data Sheet
4
Zarlink Semiconductor Inc.