TEA1110AG-D14-T UTC [Unisonic Technologies], TEA1110AG-D14-T Datasheet
TEA1110AG-D14-T
Related parts for TEA1110AG-D14-T
TEA1110AG-D14-T Summary of contents
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... Receiving amplifier for dynamic, magnetic or piezo-electric earpieces * AGC line loss compensation for microphone and earpiece amplifiers. ORDERING INFORMATION Ordering Number Lead Free TEA1110AL-D14-T TEA1110AG-D14-T TEA1110AL-S14-R TEA1110AG-S14-R www.unisonic.com.tw Copyright © 2010 Unisonic Technologies Co., Ltd Package Halogen Free DIP-14 SOP-14 LINEAR INTEGRATED CIRCUIT ...
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TEA1110A PIN CONFIGURATION PIN DESCRIPTION PIN NO. PAD NO UNISONIC TECHNOLOGIES CO., ...
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TEA1110A ABSOLUTE MAXIMUM RATINGS PARAMETER Positive Continuous Line Voltage Repetitive Line Voltage During Switch-on or Line Interruption Maximum Voltage On All Pins Maximum Line Current (R =20Ω) SLPE DIP-14 Power Dissipation (Ta=75°C) SOP-14 Junction Temperature Ambient Temperature Storage Temperature Note: ...
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TEA1110A ELECTRIC CHARACTERISTICS(Cont.) PARAMETER Receiving amplifier (pins IR, QR and GAR) Voltage gain from Gain variation with frequency referred to 1kHz Gain variation with temperature referred to 25°C Gain voltage reduction range Maximum receiving signal (RMS value) ...
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TEA1110A APPLICATION INFORMATION CIRCUIT Typical application of the UTC TEA1110A in sets with Pulse Dialling or Flash facilities Rprotect 10Ω BZX79C10 4× a/b BAS11 VDR - + Telephone 95V line b/a UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw LINEAR INTEGRATED CIRCUIT R ...
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TEA1110A FUNCTIONAL DESCRIPTION Supply (pins LN, SLPE, VCC and REG) The UTC TEA1110A and its peripheral circuit derive the power supply from telephone line (see Fig.1). The IC generates a stabilized reference voltage (V to the line current ...
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TEA1110A FUNCTIONAL DESCRIPTION(Cont.) (1) Influence of RVA on V (2) V The internal circuitry of the UTC TEA1110A is supplied from pin V circuits such as dialling or control circuits. This voltage supply is derived from the line voltage by ...
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TEA1110A FUNCTIONAL DESCRIPTION(Cont.) Set impedance The dynamic impedance is mainly determined by the RCC resistor within the audio frequency range. The equivalent impedance of the circuit is shown in Fig. Vref SLPE + R SLPE 20Ω V ...
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TEA1110A FUNCTIONAL DESCRIPTION(Cont.) SIDETONE SUPPRESSION The UTC TEA1110A anti-side tone network consisting of R Fig.6) suppresses the transmitted signal in the earpiece. Maximum compensation is obtained under the following conditions: R ×Rast1=R × (Rast2+Rast3) SLPE CC ( Rast 2 ( ...