ts34118 Taiwan Semiconductor Company, Ltd. (TSC), ts34118 Datasheet - Page 2

• Manufacturer Part Number: ts34118
• Description: Voice Switched Speakerphone Circuit
• Manufacturer: Taiwan Semiconductor Company, Ltd. (TSC)

TS34118
Recommended Operating Conditions
Supply voltage (pin 4) (see Text)
CD input (pin 3), MUT input (pin 12)
I
VLC (pin 13)
Attenuator input signal voltage (pin 9,21)
Microphone amplifier, Hybrid amplifier gain
Load current @RXO, TXO (pins 8,22)
Ambient operating temperature range
VB
Electrical Characteristics
Power Supply
Vcc supply current (Vcc=6.5V, CD=0.8V)
CD input resistance (Vcc=V
CD input voltage - High
V
V
V
Attenuators (T
Receive attenuator gain (f=1.0KHz, V
Rx model, RXI=150mVrms (Vcc=5.0V)
Rx model, RXI=150mVrms (Vcc=3.5V)
Gain change –Vcc=3.5V versus Vcc=5.0V
AGC gain change –Vcc=2.8V versus Vcc=5.0V*
Idle model, RXI=150mVrms
Range (Rx to Tx model)
Volume control range (Rx model, 0.3V
RXO DC voltage (Rx model)
ûRXO DC voltage (Rx to Tx model)
RXO high voltage (Iout=-1.0mA RXI=V
RXO low voltage (Iout=+1.0mA, RXI=V
Output measured with respect to V
RXI input resistance (RXI<350mVrms)
Transmit attenuator gain (f=1.0KHz)
TXO DC voltage (Tx model)
ûTXO DC voltage (Tx to Rx model)
TXO High voltage (Iout=-1.0mA TXI=V
TXO Low voltage (Iout=+1.0mA TXI=V
Output measured with respect to V
B
B
B
current (pin 15)
output voltage (Vcc=3.5V)
output resistance (I
power supply rejection ratio (C
Tx model , TXI=150mVrms
Idle model, TXI=150mVrms
Range (Tx to Rx model)
@MCO (pin 10)
@HTO-, HTO+ (pin 6,5)
Description
A
=+25:)
- Low
(Vcc=5.0V)
(Vcc=6.5V, CD=2.0V)
VB
=1.0mA)
Parameter
CD
=6.5V)
VB
B
B
=220µF,f=1.0KHz)
)*
)*
(T
LC
B
B
B
B
A
B
=V
<V
+1.5V)
+1.5V)
-1.0V,
-1.0,
=+25, Vcc=5.0V, CD” 0.8V, unless noted)
B
LC
)
<V
B
)
2-20
0.3xV
Min.
3.5
-20
0
0
0
0
0
0
-
B
Symbol
PSRR
ûG
ûG
ûG
ûV
ûV
V
V
ûG
V
V
R
V
V
G
V
V
R
G
R
G
G
V
G
Icc
RXOH
TXOH
V
RXOL
TXOL
Typ.
CDH
RXO
CDL
OVB
TXO
RX1
RXI
CD
CR
TXI
RX
RX
RXO
TX
TXO
RX1
RX2
RX3
B
TXI
--
--
--
--
--
--
--
--
--
--
Min
+4.0
+4.0
+4.0
-0.5
2.0
1.8
-22
3.7
7.0
-22
3.7
50
49
27
49
--
--
--
--
--
--
--
--
--
--
--
--
0
2004/09 rev. B
Max.
±2.0
±1.0
±5.0
Vcc
500
350
+60
6.5
V
40
Typ
B
+6.0
+6.0
+6.0
-1.5
-1.5
600
400
±10
±30
-25
-20
-20
5.5
1.3
2.1
VB
90
54
52
35
10
52
V
--
--
--
--
0
B
Max
±150
±150
+8.0
+8.0
+0.5
+8.0
800
Vcc
-1.0
-1.0
8.0
0.8
2.4
-15
-17
-17
54
14
54
--
--
--
--
--
--
--
--
--
mVrms
Units
mA
µA
dB
:
V
V
V
Unit
mA
mV
mV
K
K
µA
dB
dB
dB
dB
V
V
V
V
V
V
V
V
V