參數(shù)資料
型號: MC34118DW
廠商: Freescale Semiconductor
文件頁數(shù): 7/22頁
文件大?。?/td> 0K
描述: IC VOICE SWITCH SPKPHONE 28-SOIC
標準包裝: 26
功能: 語音切換式揚聲電話
電路數(shù): 1
電源電壓: 3.5 V ~ 6.5 V
電流 - 電源: 5.5mA
工作溫度: -20°C ~ 60°C
安裝類型: 表面貼裝
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
供應商設備封裝: 28-SOIC W
包裝: 管件
包括: 背景噪聲監(jiān)視器,芯片禁用,撥號音調(diào)檢測器,驅(qū)動器放大器,電平檢測器,麥克風放大器,靜音
MC34118
MOTOROLA
15
Figure 23. MC34118 Application Circuit
(Basic Line Powered Speakerphone
HOOK SWITCH
1N4733 5.
1
V
1000
F
(NOTE
3)
DISABLE
0.
01
300
k
0.
05
820
HT
O+
5
4
TL
O1
V CC
CD
3
24
27
CPR
RLO1
100
k
2.
0
F
V CC
2.
0
F
47
F
25
GND
28
220
k
V B
4700
pF
4700
pF
FI
2
10
k
56
k
FO
1
+1
ATTEN
UA
TO
R
CONT
ROL
BNM
FIL
TER
MC341
18
V B
V CC
1.
These
two
resistors
depend
on
the
specific
microphone
selected.
2.
Component
values
shown
are
recommendations
only
,and
will
vary
in
3.
This
capacitor
must
be
physically
adjacent
to
Pin
4
of
the
M
C341
18.
dif
ferent
applications.
4.
BNM
=
Background
Noise
M
onitor;
DTD
=
Dial
Tone
Detector
.
5.
Recommended
transformer:
S
tancor
TTPC
--13,
Microtran
T
51
15.
6.
Capacitor
values
are
in
F
except
where
noted.
V B
R
ATTEN
UA
TOR
Tx
AGC
ATTEN
UA
TO
R
Rx
V B
DT
D
6H
TO
--
0.
1
0.
1
5.
1
k
51
k
R HF
HT
I
7
23
TL
I1
TXO
8
R HI 10
k
5.
1
k
0.
1
TXI 9
TL
I2
17
R
MF
180
k
R MI
0.
1
270
pF
V CC
20
F
V B
(NOTE
1)
1.
0
k
620
MIKE
MCO
10
MCI
11
5.
1
k
0.
2
V B
V CC
0.
02
MUTE
47
F
V CC
100
k
2.
0
F
12
MUT
CPT
16
TL
O2
18
2.
0
F
5.
0
F
RLO2
19
CT
14
15
V B
120
k
220
F
25
SPEAKER
(300
mV)
MC341
19
5
8
R
76
200
pF
11
0
k
V B
10
k
4
3
1
5.
1
k
0.
05
20
RLI2
22
RXO
0.
1
VOLUME CONT
ROL
V B
20
k
VLC
13
9.
1
k
21 RXI
0.
05
0.
1
26
RLI
1
-- +
+
-- +
+
--
TIP
RING
+
--
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