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Speaker Integrated Circuits

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Part number Pin to Pin Compatibility Function Features Package
ILA1062D TEA1062 Low Voltage Transmission Circuit with Dialer Interface
Low DC line voltage; operates down to 1.6 V
 Line operation current range 10…140 mA
 Icc £ 1.35 mA
 Voltage gain range:
   microphone amplifier   11…52 dB
   telephone amplifier      20…31 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
ILA1062N TEA1062 Low Voltage Transmission Circuit with Dialer Interface
Low DC line voltage; operates down to 1.6 V
 Line operation current range 10…140 mA
 Icc £ 1.35 mA
 Voltage gain range:
   microphone amplifier   11…52 dB
   telephone amplifier      20…31 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
ILA1062AD TEA1062A Low Voltage Transmission Circuit with Dialer Interface
Low DC line voltage; operates down to 1.6 V
 Line operation current range 10…140 mA
 Icc £ 1.35 mA
 Voltage gain range:
   microphone amplifier   11…52 dB
   telephone amplifier      20…31 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
ILA1062AN TEA1062A Low Voltage Transmission Circuit with Dialer Interface
Low DC line voltage; operates down to 1.6 V
 Line operation current range 10…140 mA
 Icc £ 1.35 mA
 Voltage gain range:
   microphone amplifier   11…52 dB
   telephone amplifier      20…31 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
IL3726/18DW PBL3726/18 Speaker 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
IL3726/18N PBL3726/18 Speaker 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
DIP-18
IL34119D MC34119 Telephone Audio Amplifier
Vcc=2.0…16.0 V
 Icc=2.7 mA
 Drives a wide range of speaker loads    (8…100 W)
 Output power exceeds 250 mW with 32 W Speaker
 Low total harmonic distortion
 Gain adjustable 0…46 dB for voice band
Requires few external components
SO-8
IL34119N MC34119 Telephone Audio Amplifier
Vcc=2.0…16.0 V
Icc=2.7 mA
Drives a wide range of speaker loads    (8…100 W)
Output power exceeds 250 mW with 32 W Speaker
Low total harmonic distortion
Gain adjustable 0…46 dB for voice band
Requires few external components
DIP-8
IL34118DW MC34118 Voice Switched Speakerphone Circuit
Ucс=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
IL34118N MC34118 Voice Switched Speakerphone Circuit
Ucс=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

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