MT9160 Mitel Networks Corporation, MT9160 Datasheet - Page 16

• Manufacturer Part Number: MT9160
• Description: ISO2-cmos 5 Volt Multi-featured Codec ( MFC )
• Manufacturer: Mitel Networks Corporation

MT9160
Applications
Figure 9 shows an application in a digital phone set.
Various configurations of pair gain drops are
depicted in Figures 10a and 10b using the MT9125
and MT9126, respectively.
7-92
Microphone
Electret
10 F
MOTOROLA
Controller
MCS-51
INTEL
+
Micro-
SPI
or
+5V
+
511
511
330
0.1 F
0.1 F
A/ /IRQ
CS
SCLK
DATA1
DATA2
+5V
DATA2 Motorola
Mode only
0.1 F
Differential Amplifier
0.1 F
VBias
100K
100K
Twisted Pair
VBias
T
Av = 1 + 2R
Figure 9 - Digital Telephone Set
+
-
+
-
DC to DC
Converter
10
1
2
3
4
5
6
7
8
9
T
R
R
MT9160
(
Typical External Gain
AV= 5-10
M+
M-
+5V
Lout
20
19
18
17
16
15
14
13
12
11
Lin
Z
T
Microphone
Electret
10 F
10.24 MHz
MT8972
+5V
DNIC
+
75
)
+
75
DSTi
330
1K
DSTo
F0i
C4b
Single-ended Amplifier
+5V
Preliminary Information
0.1 F
M+
M-
VBias
T
VBias
150
+
-
R
M+
M-