SL34118N SLS [System Logic Semiconductor], SL34118N Datasheet
SL34118N
Related parts for SL34118N
SL34118N Summary of contents
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... Chip Disable for Active Standby Operation On Board Filter Pinned-Out for User Deined Function Dial Tone Detector to Inhibit Receive Idle Mode During Dial Tone Presence System Logic SLS Semiconductor SL34118 ORDERING INFORMATION SL34118N Plastic SL34118D SOIC for all packages A PIN ASSIGNMENT ...
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SL34118 INTRODUCTION The fundamental difference between the operation of a speakerphone and a handset is that of half- duplex versus full-duplex. The handset is full duplex since conversation can occur in both directions (transmit and receive) simultaneousiy. speakerphone has higher ...
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The diode clamp on the inputs limits the input swing, and therefore the maximum negative output swing. This is the reason for V and V specification being defined as RXOL ...
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SL34118 the other (RLI2 the output of the speaker amplifier. On the transmit side, one level detector (TLI2 the output of the microphone amplifier, while the other (TLI1 the hybrid output. Outputs RLO1 and ...
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ATTENUATOR CONTROL BLOCK The Attenuator Control Block has the seven inputs described above: - Tthe output of the comparator operated by RLO2 and TLO2 (microphone/speaker side) - designated C1. - The output of the comparator operated by RLO1 and TLO1 ...
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SL34118 Figure 4. CT Attenuator Control Block Circuit MICROPHONE AMPLIFIER The microphone amplifier (Pin 10, 11) has the noninverting input internally connected to V the inverting input and the output are pinned out. Unlike most op-amps, the amplifier has an ...
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As a low pass filter (Figure 7), it can be used to roll off the high and frequencies in the receive circuit, which aids protecting against acoustic feedback problems. With an appropriate choice of an input coupling capacitor to the ...
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SL34118 Pin No Designation 12 MUT Mute input. A logic low (<0.8 V) sets normal operation. A logic high (>2.0 V) mutes the microphone amplifier without affecting the rest of the circuit. Input impedance is nominally VLC ...
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RECOMMENDED OPERATING CONDITIONS Symbol V Supply Voltage (Pin Input Voltage at CD (Pin 3), MUT (Pin12 Current (Pin 15 Input Voltage at VLC (Pin 13 Attenuator Input Signal Voltage ...
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SL34118 ELECTRICAL CHARACTERISTICS Symbol Parameter V RXO DC Voltage RXO V RXO High Voltage RXOH V RXO Low Voltage RXOL R RXI Input Resistance RXI G Trasmit Attenuator Gain =1.0 KHz) TXI * G TXI V ...
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ELECTRICAL CHARACTERISTICS Symbol Parameter HYBRID AMPLIFIERS H HTO - Offset VOS HB HTO - to HTO+ Offset VOS A Open Loop Gain VOLH A Closed Loop Gain VCLH V HTO- High Voltage HT-H V HTO- Low Voltage HT-L V HTO+ ...
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SL34118 EXPANDED LOGIC DIAGRAM System Logic SLS Semiconductor ...