njw1124 New Japan Radio Co.,Ltd, njw1124 Datasheet - Page 7

• Manufacturer Part Number: njw1124
• Description: Njw1124 Voice Switched Speakerphone Circuit
• Manufacturer: New Japan Radio Co.,Ltd

V+
GND :ACTIVE
:MUTE
Mic In
TX
OUT
LINE
OUT
+
APPLICATION CIRCUIT
-
V+
100n
100n
470n
470n
1
1u
100n
1
300k
5.1k
100n
5.1k
51k
51k
51k
10k
47p
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
GND
VREF2
MUT
NC
CPT
TLO2
RLO2
CT
TLI2
TLI1
TXO
LII
LIO-
LIO+
MCO
MCI
RTSW
VREF
RLO1
TLO1
MON
VLC
RLI1
RLI2
CPR
RXO
NC
NC
NC
FO
V+
FI
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
V+
51k
10k
TR1
100k
100n
100n
56k 0.47
5.1k 100n
5.1k
1
470n
470n
2.2k
1
1
LED1
Receive Out
V+ (1)
V+
Monitor Out
Receive In
V+
Rx-Mode :V+
Tx-Mode :GND
Idle
V+
GND
Open
0.1u
:Recive
:Trensmit
:Auto
11k
1
:HI-Z
15k
1
1
V+
GND :Shut Down
1
2
3
4
:ACTIVE
SD
SDTC
+ + + + IN
-IN
22k
OUTA
OUTB
GND
NJW1124
V+
8
7
6
5
10u
– 7 –
V+ (2)
Speaker Out
+
-