NJW1128FR3 NJRC [New Japan Radio], NJW1128FR3 Datasheet - Page 4

• Manufacturer Part Number: NJW1128FR3
• Description: Voice Switched Speakerphone Circuit with Speaker Amplifier
• Manufacturer: NJRC [New Japan Radio]

NJW1128
●MONITOR TERMINAL (32Pin)
! ! ! ! CONTROL CHARACTERISTICS (MUT)
! ! ! ! CONTROL CHARACTERISTICS (RTSW)
! ! ! ! FUNCTION
●CD
●MUT
●SPSW
●RTSW
●R
– 4 –
R
T
Idle-mode
Maximum Output Current
Low Level Input Voltage
High Level Input Voltage
Low Level Input Voltage
High Level Input Voltage
V
V
V
V
V
V
V
OPEN
V
0
100k
X
X
IH
IL
IH
IL
IH
IL
IH
IL
VLC
-mode
-mode
(26pin)
INPUT VOLTAGE
INPUT VOLTAGE
INPUT VOLTAGE
INPUT VOLTAGE
PARAMETER
PARAMETER
PARAMETER
IMPEDANCE
SYMBOL
SYMBOL
SYMBOL
STATUS
STATUS
STATUS
STATUS
Transmit
STATUS
ACTIVE
ACTIVE
ACTIVE
Receive
Vol
MUTE
MUTE
AUTO
Vol
I
V
V
V
V
Idle
PD
Rx
MON
Tx
IH1
IH2
IL1
IL2
MAM
MIN
-
-
No Signal
Rx-mode / Tx-mode
NJW1128 is active.
NJW1128 is stand-by except Speaker Amplifier.
The microphone input is mute.
The microphone input is active.
The Speaker Amplifier is Active.
The Speaker Amplifier is Stand-by.
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
TEST CONDITION
-
-
-
-
OPERATION
OPERATION
OPERATION
OPERATION
OPERATION
V
V
MIN.
MIN.
MIN.
GND
1.5
+
+
2.4
-0.6
-
-0.3
-
-
TYP.
TYP.
TYP.
2.5
0.9
-
-
-
-
-
-
MAX.
MAX.
MAX.
0.3
0.3
0.6
2.6
V
-
-
-
+
UNIT
UNIT
UNIT
mA
V
V
V
V
V
V
V