Type

Function

 Feature

Pins

DIP

SOP

SL34118N SL34118D Voice Switched Speakerphone Circuit
  • Vcc=3.0...6.5V
  • IC may be operated from a power supply, or It can be powered from the telephone line
  • Icc=5.0 mA
  • Improved attenuating gain range 52dB between transmit and receive
  • Compatible with SL34119 speaker amplifier
  • 4-point signal sensing for Improves sensitivity
  • Background noise monitors for both transmit and receive paths
  • Microphone amplifier gain set by external resistors- mute function Included
  • On board filter pinned-out for user defined function
  • Dial tone detector to Inhibit receive idle mode during dial tone presence
28
SL34119N SL34119D Telephone Audio Amplifier
  • Vcc=2.0...16.0V
  • Icc=2.7 mA
  • Drives a wide range of speaker loads(8...100 Ohm)
  • Output power exceeds 250 mW with 32 Ohm Speakers
  • Low total harmonic distortion
  • Gain adjustable 0...46 dB for voice band
  • Requires few external components
8
SL1062AN

SL1062AD

Low Voltage Transmission Circuit with Dialer Interface
  • Low DC line voltage; operates down to 1.6V
  • Line operation current range 10...140mA
  • Icc≤1.35mA
  • Voltage gall range
    microphone amplifier 11...52 dB
    telephone amplifier 20...31 dB
  • Voltage regulator with all adjustable static resistance
  • Provides supply for external circuits
  • Symmetrical high-impedance inputs (64 KOhm) for dynamic, magnetic or piezoelectric microphones
  • Asymmetrical high-impedance inputs (32 KOhm) for electret microphones
  • DTMF signal Input with confidence tone
  • Mute input for pules or DTMF dialing
  • Receiving amplifier for dynamic , magnetic or piezoelectric ear pieces
  • Large gain setting range on microphone and ear piece amplifiers
16
SL1068N

-

Versatile Telephone Transmission Circuit with Dialer Interface
  • Line voltage 3.5...7.5V
  • Line operation current range 10...140mA
  • Icc ≤ 1.3 mA
  • Voltage gain mange:
    microphone amplifier 44...60 dB
    telephone amplifier 17...39 dB
  • Voltage regulator with adjustable static resistance
  • Provides supply for external circuits
  • Symmetrical high-impedance inputs (64 KOhm) for dynamic, magnetic or piezoelectric microphones
  • Asymmetrical high-impedance input (32 KOhm) for electret microphone
  • DTMF signal input with confidence tone
  • Mute input for pulse or DTMF dialling
  • Receiving amplifier for dynamic, magnetic or piezoelectric ear pieces
  • Large gain setting range on microphone and ear piece amplifiers
18
SL2410N
SL2411N

SL2410D
SL2411D

Two-tone Telephone Ringer
  • Vcc=13...29V
  • Icc=1.4...4.2 mA
  • Activation voltage 17...21V
  • Sustaining voltage 9.7...113V
  • Adjusted 2-frequency tone
  • Built-in hysteresis prevents false triggering and rotary dial "Chirps"
  • External Triggering or Ringer Disable
8

SL2418N

SL2418D

Two-tone Telephone Ringer with Diode Bridge

  • Vcc=26 V
  • Icc max=1.8 mA
  • Activation voltage 12 2...13V
  • Sustaining voltage 8.0... 8.8V
  • Internal zener diodes to protect against over voltages
  • High noise immunity due to built-in voltage current hysteresis
  • Ringer impedance adjustable with external components
8