MC34118_09 Datasheet, PDF (4/12 Pages) Unisonic Technologies – VOICE SWITCHED SPEAKER-PHONE CIRCUIT

MC34118
LINEAR INTEGRATED CIRCUIT
„ ABSOLUTE MAXIMUM RATING (Ta=25°С,Voltages referred to pin 22)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
V_CC
-1~7
V
Voltage at Pin 3
V3
-1~V_CC+1
V
Voltage at Pin 12 ( mute)
V12
-1~V_CC +1
V
Voltage at Pin 13 ( VLC)
V13
-1~V_CC+0.5
V
Voltage at Pin 9, Pin 21, and Pin 2
V9, 21, 2
-0.5~ V_CC+0.5
V
Storage Temperature
T_STR
-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.
„ RECOMMENDED OPERATION CONDITIONS
PARAMETER
Supply Voltage
Voltage at Pin 3
Voltage at Pin 12 ( MUTE)
Voltage at Pin 13 ( VLC)
IVB Current ( Pin 15)
Attenuator Input Signal Voltage at Pin 9, Pin 21
RXO, TXO(Pin8, Pin 22)
Load Current
MCO(Pin 10)
HTO-, HTO+(Pin 6, Pin5)
SYMBOL
V4
V3
V12
V13
I_VB
V9, V21
Ambient Operating Temperature
T_OPR
„ ELECTRICAL CHARACTERISTICS (Ta=25°C)
RATINGS
3.5~6.5
0~ V_CC
0~ V_CC
0.3×VB~VB
500
350
0~+-2
0~+-1
0~+-0.5
-20~+60
UNIT
V
V
V
V
µA
mVrms
mA
mA
mA
°С
PARAMETER
SYMBOL
TEST CONDITIONS
Supply Voltages
V+ Supply Current
I_CC
V_CC=6.5V, CD=0.8V
V_CC =6.5V, CD=2V
CD Input Resistance
R_CD V_CC =V_CD=6.5V
High
CD Input Voltage
Low
V_CDH
V_CDL
V_B Output Voltage
V_B
V_CC =3.5V
V_CC =5V
V_B Output Resistance
V_B Power Supply Rejection Ratio
R_OVB I_VB=1mA
PSRR C_VB=220µF, f=1kHz
Attenuators
R_X Mode, R_XI=150mVrms
G_RX V_CC=5V
Receive Attenuator ^{RX Mode, RXI=150mVrms}
Gain Change
Gain
(f=1kHz, V_LC=V_B) ^{AGC Gain Change}
Idle Mode, R_XI=150mVrms
R_X to T_X Mode Range
Volume Control Range
G_RX
ΔG_RX1
ΔG_RX2
G_RXI
ΔG_RX3
V_CR
V_CC =3.5V
V_CC =3.5V vs. V_CC =5V
V_CC =3.5V vs. V_CC =5V
R_XO DC Voltage
ΔR_XO DC Voltage
V_RXO
ΔV_RXO
R_X Mode
R_X to T_X Mode
R_XO High Voltage
R_XO Low Voltage
R_XI Input Resistance
V_RXOH
V_RXOL
R_RXI
I_OUT=-1mA, R_XI=V_B+1.5V
I_OUT=+1mA, R_XI=V_B-1V,
Output Measured with
Respect to V_B
R_XI<350mVrs
MIN TYP MAX UNIT
5.5 8 mA
600 800 μA
50 90
kΩ
2
V_CC V
0.8 V
1.3
V
1.8 2.1 2.4
400
Ω
54
dB
4 6 8 dB
4 6 8 dB
-0.5 0 +0.5 dB
-25 -15 dB
-22 -20 -17 dB
49 52 54 dB
27 35
dB
V_B
V
+-10 +-150 mV
3.7
V
-1.5 -1 V
7 10 14 kΩ
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R108-007,D