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| MC34118_15 Datasheet, PDF (5/15 Pages) Unisonic Technologies – VOICE SWITCHED SPEAKER-PHONE CIRCUIT | |||
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UNISONIC TECHNOLOGIES CO., LTD
MC34118
LINEAR INTEGRATED CIRCUIT
ï® ABSOLUTE MAXIMUM RATING (TA=25°С,Voltages referred to pin 22)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
-1~7
V
Voltage at Pin 3
V3
-1~VCC+1
V
Voltage at Pin 12 ( mute)
V12
-1~VCC +1
V
Voltage at Pin 13 ( VLC)
V13
-1~VCC+0.5
V
Voltage at Pin 9, Pin 21, and Pin 2
V9, 21, 2
-0.5~ VCC+0.5
V
Storage Temperature
TSTR
-65~+150
°С
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ï® RECOMMENDED OPERATION CONDITIONS
PARAMETER
SYMBOL
RATINGS
Supply Voltage
V4
3.5~6.5
Voltage at Pin 3
Voltage at Pin 12 ( MUTE)
Voltage at Pin 13 ( VLC)
V3
0~ VCC
V12
0~ VCC
V13
0.3ÃVB~VB
IVB Current ( Pin 15)
IVB
500
Attenuator Input Signal Voltage at Pin 9, Pin 21
V9, V21
350
RXO, TXO(Pin8, Pin 22)
0~+-2
Load Current
MCO(Pin 10)
0~+-1
HTO-, HTO+(Pin 6, Pin5)
0~+-0.5
Ambient Operating Temperature
TOPR
-20~+60
ï® ELECTRICAL CHARACTERISTICS (TA= 25°C, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Supply Voltages
V+ Supply Current
CD Input Resistance
CD Input Voltage
High
Low
VB Output Voltage
VB Output Resistance
VB Power Supply Rejection Ratio
ICC
VCC=6.5V, CD=0.8V
VCC =6.5V, CD=2V
RCD VCC =VCD=6.5V
50
VCDH
2
VCDL
VB
VCC =3.5V
VCC =5V
1.8
ROVB IVB=1mA
PSRR CVB=220µF, f=1kHz
Attenuators
RX Mode, RXI=150mVrms
GRX VCC=5V
4
Receive Attenuator
Gain
(f=1kHz, VLC=VB)
RX Mode, RXI=150mVrms
Gain Change
AGC Gain Change
Idle Mode, RXI=150mVrms
GRX
ïGRX1
ïGRX2
GRXI
VCC =3.5V
VCC =3.5V vs. VCC =5V
VCC =3.5V vs. VCC =5V
4
-0.5
-22
RX to TX Mode Range
ïGRX3
49
Volume Control Range
VCR
27
RXO DC Voltage
VRXO RX Mode
ïRXO DC Voltage
ïVRXO RX to TX Mode
RXO High Voltage
VRXOH IOUT=-1mA, RXI=VB+1.5V
3.7
RXO Low Voltage
RXI Input Resistance
IOUT=+1mA, RXI=VB-1V,
VRXOL Output Measured with
Respect to VB
RRXI RXI<350mVrs
7
UNIT
V
V
V
V
µA
mVrms
mA
mA
mA
°С
TYP MAX UNIT
5.5 8 mA
600 800 μA
90
kâ¦
VCC V
0.8 V
1.3
V
2.1 2.4
400
â¦
54
dB
6
8 dB
6
8 dB
0 +0.5 dB
-25 -15 dB
-20 -17 dB
52 54 dB
35
dB
VB
V
+-10 +-150 mV
V
-1.5 -1 V
10 14 kâ¦
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 15
QW-R108-007.F
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