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Speaker Integrated Circuits

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IL34118NMC34118Voice Switched Speakerphone Circuit
  •  Uc=3.0...6.5 V
  •  Icc=5.0 mA
  • Improved Attenuator Gain Range: 52 dB Between Transmit and Receive
  •  Low Voltage Operation for Line-Powered Applications (3.0-6.5 V)
  •  4-Point Signal Sensing for Improved Sensitivity
  •  Background Noise Monitors for Both Transmit and Receive Paths
  •  Microphone Amplifier Gain Set by External Resistors Mute Function Included
  •  Chip Disable for Active/Standby Operation
  •  On Board Filter Pinned-Out for User Defined Function
  •  Dial Tone Detector to Inhibit Receive Idle Mode During Dial Tone Presence
  •  Standard 28-Pin Plastic Dip Package and SOIC Package Available
  • Compatible with IL34119 Speaker Amplifier
DIP-28 [650.7 Kb]
IL34118DWMC34118Voice Switched Speakerphone Circuit
  •  Uc=3.0...6.5 V
  •  Icc=5.0 mA
  • Improved Attenuator Gain Range: 52 dB Between Transmit and Receive
  •  Low Voltage Operation for Line-Powered Applications (3.0-6.5 V)
  •  4-Point Signal Sensing for Improved Sensitivity
  •  Background Noise Monitors for Both Transmit and Receive Paths
  •  Microphone Amplifier Gain Set by External Resistors Mute Function Included
  •  Chip Disable for Active/Standby Operation
  •  On Board Filter Pinned-Out for User Defined Function
  •  Dial Tone Detector to Inhibit Receive Idle Mode During Dial Tone Presence
  •  Standard 28-Pin Plastic Dip Package and SOIC Package Available
  • Compatible with IL34119 Speaker Amplifier
SO-28 [650.7 Kb]
IL34119NMC34119Telephone Audio Amplifier
  • Vcc=2.016.0 V
  • Icc=2.7 mA
  • Drives a wide range of speaker loads (8100 W)
  • Output power exceeds 250 mW with 32 W Speaker
  • Low total harmonic distortion
  • Gain adjustable 046 dB for voice band
  • Requires few external components
DIP-8 [167 Kb]
IL34119DMC34119Telephone Audio Amplifier
  • Vcc=2.016.0 V
  • Icc=2.7 mA
  • Drives a wide range of speaker loads (8100 W)
  • Output power exceeds 250 mW with 32 W Speaker
  • Low total harmonic distortion
  • Gain adjustable 046 dB for voice band
  • Requires few external components
SO-8 [167 Kb]
IL3726/18NPBL3726/18Speaker Integrated Circuit
  • VLN=3.34.1 V (IL=15 mA)
  • VLN=11.0 15.0 V (IL=100 mA)
  • 7 Capacitors & Resistors
  • Low Voltage Operating
  • DTMF signal input with confidence tone
  • Mute input for DTMF dialing
  • Line loss compensation (line current dependent) for microphone and earpiece amplifiers
  • Gain control curve adaptable to exchange supply
  • DC line voltage adjustment facilit
DIP-18  
IL3726/18DWPBL3726/18Speaker Integrated Circuit
  • VLN=3.3…4.1 V (IL=15 mA)
  • VLN=11.0… 15.0 V (IL=100 mA)
  • 7 Capacitors & Resistors
  • Low Voltage Operating
  • DTMF signal input with confidence tone
  • Mute input for DTMF dialing
  • Line loss compensation (line current dependent) for microphone and earpiece amplifiers
  • Gain control curve adaptable to exchange supply
  • DC line voltage adjustment facilit
     
SO-20; SO-18  
ILA1062ANTEA1062ALow Voltage Transmission Circuit with Dialer Interface
  •  Low DC line voltage; operates down to 1.6 V
  •  Line operation current range 10140 mA
  •  Icc £ 1.35 mA
  •  Voltage gain range:
       microphone amplifier   1152 dB
       telephone amplifier      2031 dB
  •  Voltage regulator with adjustable static resistance
  •  Provides supply for external circuits
  •  Symmetrical high-impedance inputs
  •  (64 kW) for dynamic, magnetic or piezoelectric microphones
  •  Asymmetrical high-impedance inputs (32 kW) for electret microphones
  •  DTMF signal input with confidence tone
  • ¨ Mute input for pulse or DTMF dialing
  •  Receiving amplifier for dynamic, magnetic or piezoelectric earpieces
  • Large gain setting range on microphone and earpiece amplifiers
DIP-16 [189.2 Kb]
ILA1062ADTEA1062A Low Voltage Transmission Circuit with Dialer Interface
  •  Low DC line voltage; operates down to 1.6 V
  •  Line operation current range 10140 mA
  •  Icc £ 1.35 mA
  •  Voltage gain range:
       microphone amplifier   1152 dB
       telephone amplifier      2031 dB
  •  Voltage regulator with adjustable static resistance
  •  Provides supply for external circuits
  •  Symmetrical high-impedance inputs
  •  (64 kW) for dynamic, magnetic or piezoelectric microphones
  •  Asymmetrical high-impedance inputs (32 kW) for electret microphones
  •  DTMF signal input with confidence tone
  •  Mute input for pulse or DTMF dialing
  •  Receiving amplifier for dynamic, magnetic or piezoelectric earpieces
  • Large gain setting range on microphone and earpiece amplifiers
SO-16 [189.2 Kb]
ILA1062NTEA1062Low Voltage Transmission Circuit with Dialer Interface
  • Low DC line voltage; operates down to 1.6 V
  • Line operation current range 10140 mA
  • Icc £ 1.35 mA
  • Voltage gain range:
    microphone amplifier 1152 dB
    telephone amplifier 2031 dB
  • Voltage regulator with adjustable static resistance
  • Provides supply for external circuits
  • Symmetrical high-impedance inputs
  • (64 kW) for dynamic, magnetic or piezoelectric microphones
  • Asymmetrical high-impedance inputs (32 kW) for electret microphones
  • DTMF signal input with confidence tone
  • Mute input for pulse or DTMF dialing
  • Receiving amplifier for dynamic, magnetic or piezoelectric earpieces
  • Large gain setting range on microphone and earpiece amplifiers
DIP-16 [189.2 Kb]
ILA1062DTEA1062Low Voltage Transmission Circuit with Dialer Interface
  • Low DC line voltage; operates down to 1.6 V
  • Line operation current range 10140 mA
  • Icc £ 1.35 mA
  • Voltage gain range:
    microphone amplifier 1152 dB
    telephone amplifier 2031 dB
  • Voltage regulator with adjustable static resistance
  • Provides supply for external circuits
  • Symmetrical high-impedance inputs
  • (64 kW) for dynamic, magnetic or piezoelectric microphones
  • Asymmetrical high-impedance inputs (32 kW) for electret microphones
  • DTMF signal input with confidence tone
  • Mute input for pulse or DTMF dialing
  • Receiving amplifier for dynamic, magnetic or piezoelectric earpieces
  • Large gain setting range on microphone and earpiece amplifiers
SO-16 [189.2 Kb]