njw1124 New Japan Radio Co.,Ltd, njw1124 Datasheet - Page 5

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

●MUT (2pin)
●RTSW (31pin)
●R
Low Level Input Voltage
High Level Input Voltage
Low Level Input Voltage
High Level Input Voltage
V
V
V
OPEN
V
0
100k
CONTROL CHARACTERISTICS (MUT)
CONTROL CHARACTERISTICS (RTSW)
FUNCTION
IH
IL
IH
IL
VLC
(26pin)
INPUT VOLTAGE
INPUT VOLTAGE
PARAMETER
PARAMETER
IMPEDANCE
SYMBOL
SYMBOL
STATUS
STATUS
Transmit
STATUS
ACTIVE
Receive
Vol
MUTE
AUTO
Vol
V
V
V
V
IH1
IH2
IL1
IL2
MAM
MIN
The microphone input is made a mute.
The microphone input is active.
Force to Receive mode.
Receive mode and Transmit mode are automatically
switched.
Force to Transmit mode.
The Receive attenuator Volume is maximum.
The Receive attenuator Volume is minimum.
TEST CONDITION
TEST CONDITION
-
-
-
-
OPERATION
OPERATION
OPERATION
V
MIN.
MIN.
+
1.5
-0.3
-
-
TYP.
TYP.
-
-
-
-
NJW1124
MAX.
MAX.
0.3
0.3
-
-
– 5 –
UNIT
UNIT
V
V
V
V