MT9196
Data Sheet
Applications
330 Ω
511 Ω
+5V
+
+
-
10 µF
0.1 µF
100K
Typical External Gain for Handset
R
AV= 5 - 10
Electret
Microphone
Av = 1 + 2R
T
+
VBias
T
Typical External Gain for MIC
AV= 20 - 25
R
100K
0.1 µF
-
511 Ω
+
330Ω
+
-
VBias
T
+5V
+
10µF
VBias
1K
0.1 µF
R
0.1 µF
Electret
Microphone
+
From Auxiliary
Audio Source
0.1 µF
4
3
2
1
28 27 26
0.1µF
5
25
24
23
22
21
20
19
To Auxiliary Audio Source
+5V
6
7
40Ω nom.
34Ω min.
CS
8
IDPC
INTEL
MCS-51
or
75Ω
9
SCLK
DATA1
DATA2
10
11
MOTOROLA
SPI
150Ω
75Ω
Micro-
Controller
+5V
DATA2 Motorola
Mode only
12 13 14 15 16 17 18
RESET
WD
IRQ
DSTo
DSTi
DC to DC
CONVERTER
+5V
F0
Lin
ZT
C4
MT8972
DNIC
Twisted Pair
Lout
10.24 MHz
Figure 10 - ST-BUS Application Circuit with MT8972 (DNIC)
28
Zarlink Semiconductor Inc.
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
