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SL1062A Datasheet(PDF) 1 Page - System Logic Semiconductor

Part No. SL1062A
Description  Low Voltage Transmission Circuit with Dialler Interface
Download  9 Pages
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Maker  SLS [System Logic Semiconductor]
Homepage  http://www.slsemicon.co.kr/e_index.htm
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SL1062A Datasheet(HTML) 1 Page - System Logic Semiconductor

   
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SL1062A
System Logic
Semiconductor
SLS
Low Voltage Transmission Circuit
with Dialler Interface
The SL1062A is an integrated circuit that perform all speech and line
interface functions required in fully electronic telephone sets. They
perform electronic switching between dialling and speech. The ICs
operate at line voltage down to 1.6 V DC (with reduced performance)
to facilitate the use of more telephone sets connected in parallel.
• Low DC line voltage: operates down to 1.6 V (excluding polarity
guard)
• Voltage regulator with adjustable static resistance
• Provides a supply for external circuits
• Symmertical high-impedance inputs (64 KΩ) for dynamic,
magnetic or piezo-electric microphones
• Asymmetrical high-impedance input (32 KΩ) for electret
microphones
• DTMF signal input with confidence tone
• Mute input for pulse or DTMF dialing:
active LOW (MUTE)
• Receiving amplifier for dynamic, magnetic or piezo-electric
earpieces
• Large gain setting ranges on microphone and earpiece amplifiers
• Line loss compensation (line current dependent) for microphone
and earpiece amplifiers
• Gain control curve adaptable to exchange supply
• DC line voltage adjustment facility
ORDERING INFORMATION
SL1062AN Plastic
TA = -25
° to 75° C
for package
PIN ASSIGNMENT
BLOCK DIAGRAM


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