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参数资料
| 型号： | TS34118CD |
| 厂商： | Taiwan Semiconductor Co., Ltd. |
| 英文描述： | Voice Switched Speakerphone Circuit |
| 中文描述： | 语音开关扬声器电路 |
| 文件页数： | 2/20页 |
| 文件大小： | 328K |
| 代理商： | TS34118CD |
TS34118
2-20
2004/09 rev. B
Recommended Operating Conditions
Description
Min.
Typ.
Max.
Units
Supply voltage (pin 4) (see Text)
CD input (pin 3), MUT input (pin 12)
I
VB
current (pin 15)
VLC (pin 13)
Attenuator input signal voltage (pin 9,21)
Microphone amplifier, Hybrid amplifier gain
Load current @RXO, TXO (pins 8,22)
@MCO (pin 10)
@HTO-, HTO+ (pin 6,5)
Ambient operating temperature range
Electrical Characteristics
(T
A
=+25, Vcc=5.0V, CD
≤
0.8V, unless noted)
3.5
0
-
0.3xV
B
0
0
0
0
0
-20
--
--
--
--
--
--
--
--
--
--
6.5
Vcc
500
V
B
350
40
±2.0
±1.0
±5.0
+60
V
V
μA
V
mVrms
dB
mA
℃
Parameter
Symbol
Min
Typ
Max
Unit
Power Supply
Vcc supply current (Vcc=6.5V, CD=0.8V)
(Vcc=6.5V, CD=2.0V)
CD input resistance (Vcc=V
CD
=6.5V)
CD input voltage - High
- Low
V
B
output voltage (Vcc=3.5V)
(Vcc=5.0V)
V
B
output resistance (I
VB
=1.0mA)
V
B
power supply rejection ratio (C
VB
=220μF,f=1.0KHz)
Icc
--
--
50
2.0
0
--
1.8
--
--
5.5
600
90
--
--
1.3
2.1
400
54
8.0
800
--
Vcc
0.8
--
2.4
--
--
mA
μA
K
V
V
R
CD
V
CDH
V
CDL
V
B
V
R
OVB
PSRR
dB
Attenuators
(T
A
=+25
℃
)
Receive attenuator gain (f=1.0KHz, V
LC
=V
B
)
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
B
<V
LC
<V
B
)
G
RX
G
RX
G
RX1
G
RX2
G
RX1
G
RX3
+4.0
+4.0
-0.5
--
-22
49
+6.0
+6.0
0
-25
-20
52
+8.0
+8.0
+0.5
-15
-17
54
dB
V
CR
27
35
--
dB
RXO DC voltage (Rx model)
V
RXO
--
VB
--
V
RXO DC voltage (Rx to Tx model)
V
RXO
--
±10
±150
mV
RXO high voltage (Iout=-1.0mA RXI=V
B
+1.5V)
V
RXOH
3.7
--
--
V
RXO low voltage (Iout=+1.0mA, RXI=V
B
-1.0,
Output measured with respect to V
B
)*
RXI input resistance (RXI<350mVrms)
V
RXOL
--
-1.5
-1.0
V
R
RXI
G
TX
G
TXI
G
TXI
V
TXO
V
TXO
V
TXOH
7.0
+4.0
-22
49
--
--
3.7
10
+6.0
-20
52
V
B
±30
--
14
+8.0
-17
54
--
±150
--
K
Transmit attenuator gain (f=1.0KHz)
Tx model , TXI=150mVrms
Idle model, TXI=150mVrms
Range (Tx to Rx model)
TXO DC voltage (Tx model)
TXO DC voltage (Tx to Rx model)
TXO High voltage (Iout=-1.0mA TXI=V
B
+1.5V)
TXO Low voltage (Iout=+1.0mA TXI=V
B
-1.0V,
Output measured with respect to V
B
)*
dB
V
mV
V
V
TXOL
--
-1.5
-1.0
V
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