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SL34118 Datasheet(PDF) 10 Page - System Logic Semiconductor

Part # SL34118
Description  Voice Switched Speakerphone Circuit
PDF  12 Pages
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Manufacturer  SLS [System Logic Semiconductor]
Direct Link  http://www.slsemicon.co.kr/e_index.htm
Logo SLS - System Logic Semiconductor

SL34118 Datasheet(HTML) 10 Page - System Logic Semiconductor

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SL34118
System Logic
Semiconductor
SLS
ELECTRICAL CHARACTERISTICS(T
A = -25 to +70
°C, V
CC = 5.0 V , CD = 0.8 V, unless noted)
Symbol
Parameter
Test Conditions
Guaranteed
Limits
Unit
Min
Max
∆V
RXO
∆RXO DC Voltage
Rx to Tx Mode
-
±190
mV
VRXOH
RXO High Voltage
IOUT= -1.0 mA,RXI=VB+1.5V,
VCT=2.6 V
2.8
-
V
VRXOL
RXO Low Voltage
IOUT= +1.0 mA,RXI=VB-1.0V,
VCT=2.6 V
Output measured with respect to
VB
-
VB-0.75
V
RRXI
RXI Input Resistance
RXI=350 mVrms, f = 1.0 KHz
5.25
17.5
k
Ω
GTX
GTXI
∆G
TXI
*
Trasmit 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
∆V
TXO
∆TXO DC Voltage
Tx to Rx Mode
-
±190
mV
VTXOH
TXO High Voltage
IOUT= -1.0 mA,TXI=VB+1.5V,
VCT=1.6 V
2.8
-
V
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
V
RTXI
TXI Input Resistance
TXI=350 mVrms, f = 1.0 KHz
5.25
17.5
K
Ω
ATTENUATOR CONTROL
ICTR
CT Source Current (switching
to Rx mode)
f = 1 KHz, VLC = VB =CT
-106
-30
µA
ICTT
CT Sink Current (switching to
Tx mode)
f = 1 KHz, VLC = VB =CT
+30
+106
µA
RFI
*
CT Fast Idle Internal
Resistance
1.5
3.6
K
Ω
VDT
*
Dial Tone Detector Threshold
10
20
mV
MICROPHONE AMLIFIER (VMUT
≤ 0.8 V, A+ = 31 dB, unless otherwise noted)
MCOVOS
Output Offset
VMCO - VB,
Freedback R= 180 K
Ω
-62
+62
mV
AVOLM
Open Loop Gain
f = 100 Hz
60
-
dB
VMCOH
Output High Voltage
IOUT=-1.0 mA,VMCI=VB+1.5 V
2.8
-
V
VMCOL
Output LowVoltage
IOUT=1.0 mA, VMCI=VB - 1.0 V
-
250
mV
GMT
Muting (
∆Gain)
f = 1.0 Khz,VMCI = 150 mV
0.8 V
≤ V
MUT
≤ 2.0 V
52
-
dB
RMUT
MUT Input Resistance
VCC = VMUT = 6.5 V
37.5
-
K
Ω
VMUTH
MUT Input-High
2.0
VCC
V
VMUTL
MUT Input-Low
0
0.8
V
(continued)



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