參數(shù)資料
型號: MT8888CPR1
廠商: ZARLINK SEMICONDUCTOR INC
元件分類: 信令電路
英文描述: Integrated DTMF Transceiver with Intel Micro Interface
中文描述: TELECOM, DTMF SIGNALING CIRCUIT, PQCC28
封裝: LEAD FREE, PLASTIC, LCC-28
文件頁數(shù): 4/25頁
文件大小: 536K
代理商: MT8888CPR1
MT8888C
Data Sheet
4
Zarlink Semiconductor Inc.
Figure 3 - Single-Ended Input Configuration
Figure 4 - Differential Input Configuration
C
R
IN
R
F
IN+
IN-
GS
V
Ref
VOLTAGE GAIN
(A
V
) = R
F
/ R
IN
MT8888C
C1
C2
R1
R2
R3
R4
R5
IN+
IN-
GS
V
Ref
MT8888C
DIFFERENTIAL INPUT AMPLIFIER
C1 = C2 = 10 nF
R1 = R4 = R5 = 100 k
R2 = 60k
, R3 = 37.5 k
R3 = (R2R5)/(R2 + R5)
VOLTAGE GAIN
(A
V
diff) - R5/R1
INPUT IMPEDANCE
(Z
IN
diff) = 2
R1
2
+ (1/
ω
C)
2
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