MT8889CN Zarlink Semiconductor, Inc., MT8889CN Datasheet - Page 4
MT8889CN
Manufacturer Part Number
MT8889CN
Description
Integrated DTMF Transceiver with Adaptive Micro Interface
Manufacturer
Zarlink Semiconductor, Inc.
Datasheet
1.MT8889CN.pdf
(29 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MT8889CN
Manufacturer:
ZARLINK
Quantity:
20 000
F
697
697
697
770
770
770
LOW
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
INPUT IMPEDANCE
(Z
VOLTAGE GAIN
(A
Table 1 - Functional Encode/Decode Table
V
IN
Figure 3 - Single-Ended Input Configuration
V
diff) = 2 R1
diff) - R5/R1
Figure 4 - Differential Input Configuration
) = R
C2
C1
C
1209
1336
1477
1209
1336
1477
F
F
HIGH
/ R
IN
R
R4
R1
2
Zarlink Semiconductor Inc.
IN
R3
+ (1/ C)
MT8889C
DIGIT
2
1
2
3
4
5
6
4
R2
R5
R
F
D
0
0
0
0
0
0
3
IN+
IN-
GS
V
IN+
IN-
GS
V
Ref
Ref
D
MT8889C
0
0
0
1
1
1
2
MT8889C
D
0
1
1
0
0
1
1
D
1
0
1
0
1
0
0
Data Sheet