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參數(shù)資料
| 型號： | KA8601C |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | SPEAKER PHONE WITH SPEECH NETWORK |
| 中文描述： | 免提電話與語音網(wǎng)絡(luò) |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 280K |
| 代理商： | KA8601C |
KA8601C SPEAKER PHONE WITH SPEECH NETWORK
PIN CONFIGURATION
Fig. 2
PIN DESCRIPTION
DTO+
CD
FI
FO
R4
V
I
V
L
L
C
V
R
RXO
ATT
RXI
ATT
GND
PD
RX
DETI
RX1
DETO
TX1
DETI
TX1
MICO
MICI-
MICI+
DTO-
DTI
DETO
RX1
GND
MICO
TXI
AGC
RXO+
NC
NC
RXO-
RXI
V
C
C
T
DETI
RX2
DETO
RX2
DETO
TX2
PD
TX
V
B
TXI
ATT
TXO
ATT
RXO
SUM
MICI
MT
DETI
TX2
V
DD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Z
B
MS
V
CC
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
KA8601C
Pin No
Symbol
Description
1
2
3
4
5
6
DTO+
CD
FI
FO
MT
V
I
Output of the second hybrid amplifier.
Chip Disable. A logic low (<0.8V) sets normal operation.
Filter input.
Filter output.
Mute input. A logic “1” sets normal speech mode.
A resistor connected from this pin to V
SS
sets the AC terminating impedance.
Power supply for the speech network. Supply voltage is derived from loop current.
T
X
amp output operates on this pin.
Resistor at this pin set the DC characteristics of the circuit.
A 1.7 volt regulated output which can be used to bias the mic.
Inverting differential input to the mic amp.
Non-inverting differential input to the mic amp.
Ground pin for the speech network.
Mic amp output.
Input to the T
X
amp from the Mic amp.
Loop current sensing input.
7
V
L
8
9
10
11
12
13
14
15
L
C
V
R
MICI-
MICI+
GND
MICO
TXI
AGC
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