MC34118
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
Level Detectors And Background Noise Monitors
Transmit-Receive Switching
Threshold( Ratio of Current at RLI1+RLI2 to
20μA at TLI1+TLI2 to Switch from Tx to Rx)
Source Current at RLO1, RLO2, TLO1, TLO2
Sink Current at RLO1, RLO2, TLO1, TLO2
CPR, CPT Output Resistance
CPR, CPT Leakage Current
Filter
ITH
0.8
1
1.2
ILSO
ILSK
-2
4
mA
µA
ꢀ
RCP
ICPLK
IOUT =1.5mA
35
-0.2
µA
Voltage Offset at FO
FOVOS
IFO
VFO-VB, 220kꢀ from VB to FI
-200 -90
0
mV
µA
nA
FO Sink Current
150 260 400
-50
FI Bias Current
IFI
SYSTEM Distortion (f=1kHz)
from FI to RXO
FO connected to RXI
,
RX Mode
TX Mode
THDR
THD
0.5
0.8
3
3
%
%
from MCI to HTO-/HTO+
includes TX attenuator
,
TEMPERATURE PARAMETERS
PARAMETER
TYP RATINGS (Ta=25°С)
TYP CHANGE
-0.3
UNIT
VCC Supply Current(CD=0.8V)
VCC Supply Current(CD=2V)
5mA
400µA
2.1V
6
%/°С
%/°С
%/°С
dB/°С
dB/°С
%/°С
µV/°С
%/°С
µV/°С
%/°С
nA/°С
%/°С
-0.4
VB Output Voltage (VCC =5V)
+0.8
Attenuator Gain (Max Gain)
0.0008
0.004
0.6
Attenuator Gain (Max Attenuation)
Attenuator Input resistance
-46dB
10kꢀ
15mV
±60µA
0mV
1
Dial Tone Detector Threshold
CT Source, Sink Current
20
-0.15
±4
Microphone, Hybrid Amplifier Offset
Transmit-Receive Switching Threshold
Sink Current at RLO1, RLO2, TLO1, TLO2
Closed Loop Gain( HTO- to HTO+)
±0.02
-10
4µA
0dB
0.001
UNISONIC TECHNOLOGIES CO., LTD
6 of 12
www.unisonic.com.tw
QW-R108-007,D