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TS34118 Datasheet(数据表) 3 Page - Taiwan Semiconductor Company, Ltd

部件型号  TS34118
说明  Voice Switched Speakerphone Circuit
下载  20 Pages
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制造商  TSC [Taiwan Semiconductor Company, Ltd]
网页  http://www.taiwansemi.com
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TS34118 Datasheet(HTML) 3 Page - Taiwan Semiconductor Company, Ltd

 
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TS34118
3-20
2004/09 rev. B
Electrical Characteristics (TA=+25, Vcc=5.0V, CD≤ 0.8V, unless noted)
Parameter
Symbol
Min
Typ
Max
Unit
Attenuators-continued
(TA=+25℃)
TXI input resistance (TXI<350mVrms)
RTXI
7.0
10
14
KΩ
Gain tracking (GRX + GTX, @ Tx, Idle, Rx)*
GTR
--
±0.1
--
dB
Attenuator Control
(TA=+25℃)
CT voltage (pin 14-VB)
Rx model (VLC=VB)
Idle model
Tx model
VCT
--
--
--
+240
0
-240
--
--
--
mV
CT source current(switching to Rx mode)
ICTR
-85
-60
-40
µA
CT sink current(switching to Tx mode)
ICTT
+40
+60
+85
µA
CT slow idle current
ICTS
--
0
--
µA
CT fast idle internal resistance
RFI
1.5
2.0
3.6
KΩ
Microphone Amplifier
(TA=+25℃,VMUT≤0.8V,AVCL=31dB unless otherwise noted)
Output offset (VMCO-VB, feedback R=180KΩ)
MCOvos
-50
0
+50
mV
Open loop gain (f<100Hz)
AVOLM
70
80
--
dB
Gain bandwidth
GBWM
--
1.0
--
MHz
Output High voltage (Iout=-1.0mA, Vcc=5.0V)
VMCOH
3.7
--
--
V
Output Low voltage (Iout=+1.0mA)
VMCOL
--
--
200
mV
Input bias current (@MCI)
IBM
--
-40
--
nA
Muting (∆Gain) (f=1.0KHz, VMUT=2.0V)
(300Hz<f<10KHz)
GMT
-55
--
--
-68
--
--
dB
MUT input resistance (Vcc=VMUT=6.5V)
RMUT
50
90
--
KΩ
MUT Input-High
VMUTH
2.0
--
Vcc
V
MUT Input-Low
VMUTL
0
--
0.8
V
Hybrid Amplifiers
(TA=+25 )
HTO-offset(VHTO- -VB, Feedback R=51KΩ)
HVOS
-20
0
+20
mV
HTO- to HTO+ offset (Feedback R=51KΩ)
HBVOS
-30
0
+30
mV
Open loop gain(HTI to HTO-, f<100Hz)
AVOLH
60
80
--
dB
Gain bandwidth
GBWH
--
1.0
--
MHz
Closed loop gain(HTO- to HTO+)
AVCLH
-0.35
0
+0.35
dB
Input bias current(@HTI)
IBH
--
-30
--
nA
HTO- High voltage (Iout=-5.0mA)
VHT-H
3.7
--
--
V
HTO- Low voltage (Iout=+5.0mA)
VHT-L
--
--
250
mV
HTO+ High voltage (Iout=-5.0mA)
VHT+H
3.7
--
--
V
HTO+ Low voltage (Iout=+5.0mA)
VHT+L
--
--
450
mV
Distortion(300Hz<f<10KHz, see Figure 1)
THDH
--
0.3
--
%
Level Detectors and Background Noise Monitors
(TA=+25℃)
Transmit-Receive switch threshold
(Ratio of current at RLI1 + RLI2 to 20µA
at TLI1 + TLI2 to switch from Tx to Rx)
ITH
0.8
1.0
1.2
Source current at RLO1, RLO2, TLO1, TLO2
ILSO
--
-2.0
--
mA
Sink current at RLO1, RLO2, TLO1, TLO2
ILSK
--
4.0
--
µA
CPR, CPT output resistance (Iout=1.5mA)
RCP
--
35
--
CPR, CPT leakage current
ICPLK
--
-0.2
--
µA
Filter
(TA=+25℃)
Voltage offset at FO (VFO-VB, 220KΩ from VB to FI)
FOVOS
-200
-90
0
mV
FO sink current
IFO
150
260
400
µA
FI bias current
IFI
--
-50
--
nA




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