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TS34118 Fiches technique(PDF) 4 Page - Taiwan Semiconductor Company, Ltd

No de pièce TS34118
Description  Voice Switched Speakerphone Circuit Chip disable for active/standby operation
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Fabricant  TSC [Taiwan Semiconductor Company, Ltd]
Site Internet  http://www.taiwansemi.com
Logo TSC - Taiwan Semiconductor Company, Ltd

TS34118 Fiches technique(HTML) 4 Page - Taiwan Semiconductor Company, Ltd

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TS34118
Voice Switched Speakerphone Circuit
4/21
Version: A13
Electrical Characteristics - Continue
Parameter
Symbol
Min
Typ
Max
Unit
Filter (TA=+25ºC)
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
System Distortion (TA=+25ºC, f=1.0KHz)
Rx mode (from FI to RXO, FO connected to RXI)
THDR
--
0.5
3.0
%
Tx mode (from MCI to HTO-/HTO+, includes
Tx attenuator)
THDT
--
0.8
3.0
%
* All currents into a device pin are positive, those out of a pin are negative. Algebraic convention rather than
magnitude is used to define limits.
Simplified Block Diagram
Temperature Characteristics
Parameter
Typical Value @25ºC
Typical Change –20 to +60ºC
Vcc supply current (CD=0.8V)
5.0mA
-0.3%/ºC
Vcc supply current (CD=2.0V)
400µA
-0.4%/ºC
VB output voltage (Vcc=5.0V)
2.1V
+0.8%/ºC
Attenuator gain (Max Gain)
+6.0dB
0.0008dB/ºC
Attenuator gain (Max attenuation)
-46dB
0.004dB/ºC
Attenuator input resistance (@ TXI, RXI)
10KΩ
+0.6%/ºC
Dial tone detector threshold
15mV
+20µV/ºC
CT source, sink current
±60µA
-0.15%/ºC
Microphone, Hybrid amplifier offset
0 mV
±4.0µV/ºC
Transmit-Receive switching threshold
1.0
±0.02%/ºC
Sink current at RLO1, RLO2, TLO1, TLO2
4.0µA
-10nA/ºC
Closed loop gain (HTO- to HTO+)
0 dB
0.001%/ºC


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