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TS34118CS28 Datasheet(PDF) 3 Page - Taiwan Semiconductor Company, Ltd

Part # TS34118CS28
Description  Voice Switched Speakerphone Circuit
PDF  20 Pages
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Manufacturer  TSC [Taiwan Semiconductor Company, Ltd]
Direct Link  http://www.taiwansemi.com
Logo TSC - Taiwan Semiconductor Company, Ltd

TS34118CS28 Datasheet(HTML) 3 Page - Taiwan Semiconductor Company, Ltd

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TS34118CS28
Taiwan Semiconductor
3
Version: E1608
ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise specified)
PARAMETER
CONDITION
SYMBOL
MIN
TYP
MAX
UNIT
Attenuators
TXO High voltage
IO=-1mA TXI=VB+1.5V
VTXOH
3.7
--
--
V
TXO Low voltage
IO=+1mA TXI=VB-1.0V,
Output measured with
respect to VB
VTXOL
--
-1.5
-1.0
V
TXI input resistance
TXI<350mVrms
RTXI
7.0
10
14
kΩ
Gain tracking
GRX + GTX, @ TX, Idle, RX
GTR
--
±0.1
--
dB
Attenuator Control
CT voltage (pin 14-VB)
RX mode (VCI=VB)
VCT
--
+240
--
mV
Idle mode
--
0
--
TX mode
--
-240
--
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 (VMUT≤0.8V,AVCL=31dB unless otherwise noted)
Output offset
VMCO-VB,
feedback R=180kΩ
MICO
VOS
-50
0
+50
mV
Open loop gain
f<100Hz
AVOLM
70
80
--
dB
Gain bandwidth
GBWM
--
1.0
--
MHz
Output High voltage
IO=-1mA, VCC=5V
VMCOH
3.7
--
--
V
Output Low voltage
IO=+1mA
VMCOL
--
--
200
mV
Input bias current (MIC)
IBM
--
-40
--
nA
Muting (ΔGain)
f=1kHz, VMUT=2.0V
GMT
-55
--
--
dB
300Hz<f<10kHz
--
-68
--
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
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
GB
--
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
IO=-5mA
VHT-H
3.7
--
--
V
HTO- Low voltage
IO=+5mA
VHT-L
--
--
250
mV
HTO+ High voltage
IO=-5mA
VHT+H
3.7
--
--
V
HTO+ Low voltage
IO=+5mA
VHT+L
--
--
450
mV
Distortion
300Hz<f<10kHz,
see Figure 1
THDH
--
0.3
--
%
Level Detectors and Background Noise Monitors
Transmit-Receive switch
threshold
Current ratio from TX to RX
@ RLI1 + RLI2 to 20μA
@ TLI1 + TLI2 to switch
ITH
0.8
1.0
1.2



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