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TEMIC Semiconductors |
Low-Power Audio Amplifier for Telephone Applications D Wide operating voltage range: 2 to 16 V D Battery powered application due to low quiescent supply current: 2.7 mA typical D Output Power, Po = 250 mW @ RL = 32 W (speaker) D Low harmonic distortion (0.5% typical) D Wide range gain adjustable: 0 dB |
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TEMIC Semiconductors |
Low-Power Audio Amplifier for Telephone Applications D Wide operating voltage range: 2 to 16 V D Battery powered application due to low quiescent supply current: 2.7 mA typical D Output Power, Po = 250 mW @ RL = 32 W (speaker) D Low harmonic distortion (0.5% typical) D Wide range gain adjustable: 0 dB |
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TEMIC Semiconductors |
Telephone Speech Circuit D Microphone amplifier with – Symmetrical input – Privacy function – Anticlipping D Built in ear protection D Power down input D Mute input D DTMF interface D Low line impedance during pulse dialing Benefits D Independent adjustment of – Transmissio |
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TEMIC Semiconductors |
Tone Ringer Interface D Suitable for specifications FTZ 1TR2 and ETR 2 D Rectifier bridge D Z-diode D Amplitude detection D Supply voltage for microcomputer 3.5 @ D DC operation possible D Bridge push-pull output stage 22 mF V B 2(3) TH 130 kW 3(4) VDD 10 (12) 2f 4(5) 47m |
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TEMIC Semiconductors |
Voice-Switched Circuit for Handsfree Operation D Operates on telephone lines, integrated reference voltage regulation D Output power: 100 mW at a 25-Ω load with peak limitation D Linear volume control D Monitoring system for background sound level D Wide operating dynamic range through signal c |
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TEMIC Semiconductors |
Programmable Telephone Audio Processor D D D D Speech circuit with anti-clipping Tone ringer interface with dc / dc converter Speaker amplifier with anti-distortion Power supply management, regulated, unregulated and a special supply for electret microphone Benefits D Savings of one piez |
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TEMIC Semiconductors |
Programmable Telephone Audio Processor D Speech circuit with anti-clipping D Tone-ringer interface with DC/DC converter D Speaker amplifier with anti-distortion D Power-supply management (regulated, unregulated) and a special supply for electret microphone D Voice switch D Interface for a |
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TEMIC Semiconductors |
Monolithic Integrated Feature Phone Circuit D DC characteristic adjustable D Transmit and receive gain adjustable D Symmetrical input of microphone amplifier D Anti-clipping in transmit direction D Automatic line loss compensation D Built-in ear protection D DTMF and MUTE input D Adjustable si |
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TEMIC Semiconductors |
Speech Circuit www.DataSheet4U.com D Integrated amplifier for loudhearing operation D Anticlipping for loudspeaker amplifier D Supply voltages for all functional blocks of a subscriber set D Adjustable DC characteristics D Adjustable sending and receiving amplific |
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TEMIC Semiconductors |
Low-Voltage Electronic Speech Circuit www.DataSheet4U.com D An electronic circuit replaces the microphone hybrid transformer D Symmetrical input for dynamic or piezo microphone D High performance through the use of dynamic transducers as the earphone (non-linear distortion 2 %) D DTMF |
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TEMIC Semiconductors |
Low-Voltage Electronic Speech Circuit www.DataSheet4U.com D An electronic circuit replaces the microphone hybrid transformer D Symmetrical input for dynamic or piezo microphone D High performance through the use of dynamic transducers as the earphone (non-linear distortion 2 %) D DTMF |
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TEMIC Semiconductors |
Tone Ringer Interface D Suitable for specifications FTZ 1TR2 and ETR 2 D Rectifier bridge D Z-diode D Amplitude detection D Supply voltage for microcomputer 3.5 @ D DC operation possible D Bridge push-pull output stage 22 mF V B 2(3) TH 130 kW 3(4) VDD 10 (12) 2f 4(5) 47m |
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TEMIC Semiconductors |
Three-Tone Ringer for Telephone Sets D Three-tone ringing sequence with 800 Hz, 1067 Hz and 1333 Hz D Clock oscillator with ceramic resonator or LC series cct possible D Sequence frequency adjustable between 2.5 Hz and 25 Hz D Input protective diode D On-chip rectifier bridge D Prote |
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TEMIC Semiconductors |
Three-Tone Ringer for Telephone Sets D Three-tone ringing sequence with 800 Hz, 1067 Hz and 1333 Hz D Clock oscillator with ceramic resonator or LC series cct possible D Sequence frequency adjustable between 2.5 Hz and 25 Hz D Input protective diode D On-chip rectifier bridge D Prote |
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TEMIC Semiconductors |
Monolithic Integrated Feature Phone Circuit D D D D D D D D D D D D D D D DC characteristic adjustable Transmit and receive gain adjustable Symmetrical input of microphone amplifier Anti-clipping in transmit direction Automatic line loss compensation Symmetrical output of earpiece amplifier Bu |
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TEMIC Semiconductors |
Low Voltage Voice Switch Interface Circuit D Low voltage operation: 3.0 to 7.0 V D Four point signal sensing D Monitoring system for background noise level D Case: SO 16 D Chip Disable for active/standby operation Benefits D Fast channel switching allows quasi duplex operation D Low current |
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Desde 2024. D4U Semiconductor.
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