TEA1062AT/C4,118

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1. Description

TEA1062 and TEA1062AT/C4,118 are integrated circuits Perform all required voice and line interface functions Full electronic telephone. They perform electronic Switch between dialing and voice. IC works at Line voltage as low as 1.6 V DC (degraded performance) Convenient to use more telephones to connect to parallel lines.

2. Feature

    1. Low DC line voltage; working voltage as low as 1.6 V (not including polarity protection)

    2. Voltage regulator with adjustable static resistance

    3. Provide power for external circuits

    4. Symmetrical high impedance input (64 kΩ) for Dynamic, magnetic or piezoelectric microphones

    5. Asymmetric high-impedance input for electret (32 kΩ) microphone

    6. DTMF signal input with confident tone

    7. Pulse or DTMF dial mute input

        – TEA1062: High level active (mute)

        – TEA1062A: active low (mute)

    8. The receiving amplifier is used for dynamic, magnetic or Piezo headphones

    9. Large gain setting range on the microphone and earpiece Amplifier

  10. Line loss compensation (depending on line current) is used Microphone and headphone amplifier

  11. Gain control curve adapts to exchange supply

  12. DC link voltage regulation facilities

3. Pin configuration

4. Pin description