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Part Name(s) : TEA1060 TEA1061 ETC
Unspecified
Description : VERSATILE TELEPHONE TRANSMISSION CIRCUITS WITH DIALLER INTERFACE
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Part Name(s) : TEA1110A TEA1110AT TEA1110AT/C1 Philips
Philips Electronics
Description : Low voltage VERSATILE TELEPHONE TRANSMISSION circuit WITH DIALLER INTERFACE

GENERAL DESCRIPTION
The TEA1110A is a bipolar integrated circuit that performs all speech and line INTERFACE functions required in fully electronic TELEPHONE sets. It performs electronic switching between speech and dialling. The IC operates at a line voltage down to 1.6 V DC (WITH reduced performance) to facilitate the use of TELEPHONE sets connected in parallel.

FEATURES
• Low DC line voltage; operates down to 1.6 V (excluding voltage drop over external polarity guard)
• Voltage regulator WITH adjustable DC voltage
• Provides a supply for external CIRCUITS
• Symmetrical high impedance inputs (64 kΩ) for dynamic, magnetic or piezo-electric microphones
• Asymmetrical high impedance input (32 kΩ) for electret microphones
• DTMF input WITH confidence tone
• MUTE input for pulse or DTMF dialling
• Receiving amplifier for dynamic, magnetic or piezo-electric earpieces
• AGC line loss compensation for microphone and earpiece amplifiers.

APPLICATION
• Line powered TELEPHONE sets, cordless TELEPHONEs, fax machines, answering machines.

 

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Part Name(s) : TEA1066T Philips
Philips Electronics
Description : VERSATILE TELEPHONE TRANSMISSION circuit WITH DIALLER INTERFACE

GENERAL DESCRIPTION
The TEA1066T is a bipolar integrated circuit that performs all speech and line INTERFACE functions required in fully electronic TELEPHONE sets. The circuit performs electronic switching between dialling and speech.

FEATURES
• Voltage regulator WITH adjustable static resistance
• Provides supply for external circuitry
• Symmetrical low-impedance inputs for dynamic and magnetic microphones
• Symmetrical high-impedance inputs for piezoelectric microphone
• Asymmetrical high-impedance input for electret microphone
• Dual-tone multi-frequency (DTMF) signal input WITH confidence tone
• Mute input for pulse or DTMF dialling
• Power down input for pulse dial or register recall
• Receiving amplifier for magnetic, dynamic or piezoelectric earpieces
• Large gain setting range on microphone and earpiece amplifiers
• Line loss compensation facility, line current dependent (microphone and earpiece amplifiers)
• Gain control adaptable to exchange supply
• DC line voltage adjustment facility.

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Part Name(s) : TEA1068 TEA1068T Philips
Philips Electronics
Description : VERSATILE TELEPHONE TRANSMISSION circuit WITH DIALLER INTERFACE

GENERAL DESCRIPTION
The TEA1068 is a bipolar integrated circuit performing all speech and line INTERFACE functions required in fully electronic TELEPHONE sets. It performs electronic switching between dialling and speech.
   
FEATURES
• Voltage regulator WITH adjustable static resistance
• Provides supply for external circuitry
• Symmetrical high-impedance inputs (64 kΩ) for
    dynamic, magnetic or piezoelectric microphones
• Asymmetrical high-impedance input (32 kΩ) for electret
    microphone
• Dual-Tone Multi-Frequency (DTMF) signal input WITH
    confidence tone
• Mute input for pulse or DTMF dialling
• Power down input for pulse dial or register recall
• Receiving amplifier for magnetic, dynamic or
    piezoelectric earpieces
• Large gain setting range on microphone and earpiece
    amplifiers
• Line current-dependent line loss compensation facility
    for microphone and earpiece amplifiers
• Gain control adaptable to exchange supply
• DC line voltage adjustment facility.
   

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Part Name(s) : TEA1065 TEA1065T Philips
Philips Electronics
Description : VERSATILE TELEPHONE TRANSMISSION circuit WITH DIALLER INTERFACE

GENERAL DESCRIPTION
The TEA1065 is a bipolar integrated circuit which performs all speech and line INTERFACE functions that are required in fully electronic TELEPHONE sets WITH adjustable DC mask. The circuit performs electronic switching between dialling and speech internally.
   
FEATURES
• Current and voltage regulator mode WITH adjustable
    static resistances
• Provides supply for external circuitry
• Symmetrical high-impedance inputs for piezoelectric
    microphone
• Asymmetrical high-impedance input for electret
    microphone
• DTMF signal input WITH confidence tone
• Mute input for pulse or DTMF dialling
• Power-down input for pulse dial or register recall
• Digital pulse input to drive an external switch transistor
• Receiving amplifier for magnetic, dynamic or
    piezoelectric earpieces
• Large gain setting range on microphone and earpiece
    amplifiers
• Line loss compensation facility, line current dependent
    (on microphone and earpiece amplifiers)
• Adjustable gain control
• DC line voltage adjustment facility
   

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Part Name(s) : TEA1112 TEA1112A TEA1112A/C1 TEA1112AT TEA1112AT/C1 TEA1112T TEA1112T/C1 Philips
Philips Electronics
Description : Low voltage VERSATILE TELEPHONE TRANSMISSION CIRCUITS WITH DIALLER INTERFACE

GENERAL DESCRIPTION
The TEA1112; TEA1112A are bipolar integrated CIRCUITS that perform all speech and line INTERFACE functions required in fully electronic TELEPHONE sets. They perform electronic switching between speech and dialling. The ICs operate at a line voltage down to 1.6 V DC (WITH reduced performance) to facilitate the use of TELEPHONE sets connected in parallel.
A current (proportional to the line current and internally limited to a typical value of 19.5 mA) is available to drive an LED which indicates the on-hook/off-hook status.

FEATURES
• Low DC line voltage; operates down to 1.6 V (excluding polarity guard)
• Voltage regulator WITH adjustable DC voltage
• Provides a supply for external CIRCUITS
• Symmetrical high impedance inputs (64 kΩ) for dynamic, magnetic or piezo-electric microphones
• Asymmetrical high impedance input (32 kΩ) for electret microphones
• DTMF input WITH confidence tone
• Mute input for pulse or DTMF dialling (MUTE for TEA1112 and MUTE for TEA1112A)
• Receiving amplifier for dynamic, magnetic or piezo-electric earpieces
• AGC line loss compensation for microphone and earpiece amplifiers
• LED on-hook/off-hook status indication
• Microphone mute function (MMUTE for TEA1112 and MMUTE for TEA1112A).

APPLICATION
• Line powered TELEPHONE sets, cordless TELEPHONEs, fax machines and answering machines.

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Part Name(s) : TEA1067 TEA1067/C2 TEA1067T Philips
Philips Electronics
Description : Low voltage VERSATILE TELEPHONE TRANSMISSION circuit WITH DIALLER INTERFACE

GENERAL DESCRIPTION
The TEA1067 is a bipolar integrated circuit performing all speech and line INTERFACE functions required in fully electronic TELEPHONE sets. It performs electronic switching between dialling and speech. The circuit is able to operate down to a DC line voltage of 1.6 V (WITH reduced performance) to facilitate the use of more TELEPHONE sets in parallel.

Features
• Low DC line voltage; operates down to 1.6 V (excluding polarity guard)
• Voltage regulator WITH adjustable static resistance
• Provides supply WITH limited current for external circuitry
• Symmetrical high-impedance inputs (64 kΩ) for dynamic, magnetic or piezoelectric microphones
• Asymmetrical high-impedance input (32 kΩ) for electret microphone
• DTMF signal input WITH confidence tone
• Mute input for pulse or DTMF dialling
• Power down input for pulse dial or register recall
• Receiving amplifier for magnetic, dynamic or piezoelectric earpieces
• Large gain setting range on microphone and earpiece amplifiers
• Line current dependent line loss compensation facility for microphone and earpiece amplifiers
• Gain control adaptable to exchange supply
• DC line voltage adjustment capability

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Part Name(s) : TEA1110A TEA1110AG-D14-R TEA1110AG-D14-T TEA1110AG-S14-R TEA1110AG-S14-T TEA1110AL-D14-R TEA1110AL-D14-T TEA1110AL-S14-R TEA1110AL-S14-T UTC
Unisonic Technologies
Description : LOW VOLTAGE VERSATILE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE

DESCRIPTION
The UTC TEA1110Ais a VERSATILE TELEPHONE TRANSMISSION circuit providing full speech and line INTERFACE functions in electronic TELEPHONE sets. This device works at a line voltage which can be as low as 1.6V DC (WITH reduced  performance) to enable parallel connection of TELEPHONE sets. It also realizes electronic switching between speeches and dialling.

FEATURES
* Low DC line voltage; operates downto 1.6V (excluding voltage drop over external polarity guard)
* Voltage regulator WITH adjustable DC voltage
* Provides a supply for external CIRCUITS
* Symmetrical high impedance inputs (64kΩ) for dynamic, magnetic or piezo-electric microphones
* Asymmetrical high impedance input (32kΩ) for electric microphones
* DTMF input WITH confidence tone
* MUTE input for pulse or DTMF dialling
* Receiving amplifier for dynamic, magnetic or piezo-electric earpieces
* AGC line loss compensation for microphone and earpiece amplifiers.

 

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Part Name(s) : TEA1064A TEA1064A/C2 TEA1064AT TEA1064AT/C1 Philips
Philips Electronics
Description : Low voltage VERSATILE TELEPHONE TRANSMISSION circuit WITH DIALLER INTERFACE and transmit level dynamic limiting

GENERAL DESCRIPTION
The TEA1064A is a bipolar integrated circuit that performs all the speech and line INTERFACE functions required in fully electronic TELEPHONE sets. It performs electronic switching between dialling and speech and has a powerful DC supply for peripheral CIRCUITS. The IC operates at line
voltages down to 1.8 V DC (WITH reduced performance) to facilitate the use of more TELEPHONE sets connected in parallel. The transmit signal on the line is dynamically limited (speech-controlled) to prevent distortion at high transmit levels of both the sending signal and the sidetone.


FEATURES
• Low DC line voltage; operates down to 1.8 V (excluding polarity guard)
• Voltage regulator WITH low voltage drop and adjustable static resistance
• DC line voltage adjustment facility
• Provides a supply for external CIRCUITS in two options:
unregulated supply, regulated line voltage;
stabilized supply, line voltage varies WITH supply
current
• Dynamic limiting (speech-controlled) in transmit direction prevents distortion of line signal and sidetone
• Symmetrical high-impedance inputs (64 kΩ) for dynamic, magnetic or piezo-electric microphones
• Asymmetrical high-impedance input (32 kΩ) for electret microphones
• DTMF signal input
• Confidence tone in the earpiece during DTMF dialling
• Mute input for disabling speech during pulse or DTMF dialling
• Power-down input for improved performance during pulse dial or register recall (flash)
• Receiving amplifier for magnetic, dynamic or piezo-electric earpieces
• Large amplification setting ranges on microphone and earpiece amplifiers
• Line loss compensation (line current dependent) for microphone and earpiece amplifiers (not used for DTMF amplifier)
• Gain control curve adaptable to exchange supply
• Automatic disabling of the DTMF amplifier in extremely-low voltage conditions
• Microphone MUTE function available WITH switch

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Part Name(s) : TEA1064B TEA1064B/C1 TEA1064BT TEA1064BT/C1 Philips
Philips Electronics
Description : Low voltage VERSATILE TELEPHONE TRANSMISSION circuit WITH DIALLER INTERFACE and transmit level dynamic limiting

GENERAL DESCRIPTION
The TEA1064B is a bipolar integrated circuit that performs all the speech and line INTERFACE functions required in fully electronic TELEPHONE sets. It performs electronic switching between dialling and speech. The IC operates at line voltages down to 1.8 V DC (WITH reduced performance) to facilitate the use of more TELEPHONE sets connected in parallel. The transmit signal on the line is dynamically limited (speech-controlled) to prevent distortion at high transmit levels of both the sending signal and the sidetone.

FEATURES
• Low DC line voltage; operates down to 1.8 V (excluding polarity guard)
• Voltage regulator WITH low voltage drop and adjustable static resistance
• DC line voltage adjustment facility
• Provides a supply for external CIRCUITS
• Dynamic limiting (speech-controlled) in transmit direction prevents distortion of line signal and sidetone
• Symmetrical high-impedance inputs (64 kΩ) for dynamic, magnetic or piezo-electric microphones
• Asymmetrical high-impedance input (32 kΩ) for electret microphones
• DTMF signal input
• Confidence tone in the earpiece during DTMF dialling
• Mute input for disabling speech during pulse or DTMF dialling
• Power-down input for improved performance during pulse dial or register recall (flash)
• Receiving amplifier for dynamic, magnetic or piezo-electric earpieces
• Large amplification setting ranges on microphone and earpiece amplifiers
• Line loss compensation (line current dependent) for microphone and earpiece amplifiers (not used for DTMF amplifier)
• Gain control curve adaptable to exchange supply
• Automatic disabling of the DTMF amplifier in extremely-low voltage conditions
• Microphone MUTE function available WITH switch
• MUTE, POWER-DOWN and DTMF input reference (pin VEE2) can be connected either to VEE1or SLPE.

 

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