KK34118
ELECTRICAL CHARACTERISTICS (TA = -25 to +70°C, VCC = 5.0 V , CD = 0.8 V, unless noted)
Guaranteed
Limits
Symbol
Parameter
Test Conditions
Unit
Min
Max
±190
-
Rx to Tx Mode
-
mV
V
∆VRXO
∆RXO DC Voltage
VRXOH
RXO High Voltage
IOUT= -1.0 mA,RXI=VB+1.5V,
VCT=2.6 V
2.8
VRXOL
RXO Low Voltage
IOUT= +1.0 mA,RXI=VB-1.0V,
-
VB-0.75
V
VCT=2.6 V
Output measured with respect to
VB
RRXI
RXI Input Resistance
RXI=350 mVrms, f = 1.0 KHz
5.25
17.5
kΩ
GTX
GTXI
∆GTXI
Transmit Attenuator Gain
( f =1.0 KHz)
Tx Mode, TXI=150 mVrms
Idle Mode, RXI=-150 mVrms
Range (Tx to Rx Mode)
1.5
-25
49
10.0
-15
54
dB
*
Tx to Rx Mode
-
mV
V
∆VTXO
∆TXO DC Voltage
±190
VTXOH
TXO High Voltage
IOUT= -1.0 mA,TXI=VB+1.5V,
VCT=1.6 V
2.8
-
VTXOL
TXO Low Voltage
IOUT= +1.0 mA,TXI=VB-1.0V,
VCT=1.6 V
Output measured with respect to
VB
-
VB-0.75
17.5
V
RTXI
TXI Input Resistance
TXI=350 mVrms, f = 1.0 KHz
5.25
KΩ
ATTENUATOR CONTROL
ICTR CT Source Current (switching
to Rx mode)
f = 1 KHz, VLC = VB =CT
-106
+30
1.5
-30
+106
3.6
µA
µA
KΩ
mV
ICTT
CT Sink Current (switching to f = 1 KHz, VLC = VB =CT
Tx mode)
*
RFI
CT Fast Idle Internal
Resistance
*
VDT
Dial Tone Detector Threshold
10
20
MICROPHONE AMLIFIER (VMUT ≤ 0.8 V, A+ = 31 dB, unless otherwise noted)
MCOVOS Output Offset
VMCO - VB,
-62
+62
mV
Feedback R= 180 KΩ
AVOLM
VMCOH
VMCOL
GMT
Open Loop Gain
f = 100 Hz
60
2.8
-
-
-
dB
V
Output High Voltage
Output Low Voltage
Muting (∆Gain)
IOUT=-1.0 mA,VMCI=VB+1.5 V
IOUT=1.0 mA, VMCI=VB - 1.0 V
250
-
mV
dB
f = 1.0 Khz,VMCI = 150 mV
52
0.8 V ≤ VMUT ≤ 2.0 V
RMUT
VMUTH
VMUTL
MUT Input Resistance
MUT Input-High
MUT Input-Low
VCC = VMUT = 6.5 V
37.5
2.0
0
-
KΩ
VCC
0.8
V
V
(continued)
10
KODENSHI [ KODENSHI KOREA CORP. ]
