AN6425K Panasonic, AN6425K Datasheet
AN6425K
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AN6425K Summary of contents
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... AN6425K Speech Network Circuit Overview The AN6425K is a high-function speech network IC with speaker amplifier. It incorporates a transmitter-system non-lin- ear circuit, receiver digital VRs, etc. and is suitable for realiz- ing the multifunctional telephone sets. Features • Speech network IC for the multifunctional telephone sets • ...
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Absolute Maximum Ratings (Ta=25˚C) Parameter Supply voltage Supply current Power dissipation Operating ambient temperature Storage temperature * V I <1200mW CC CC Recommended Operating Range (Ta=25˚C) Parameter Symbol Operating supply voltage range V L Electrical Characteristics (Ta=25˚C) Parameter Symbol G ...
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Electrical Characteristics (cont.) (Ta=25˚C) Parameter Symbol AP TOUCH TONE D automatic pad (TOUCH amplifier gain (SP) THD SP distortion factor (SP =30mA and Freq=1kHz unless otherwise specified. L Pin Descriptions Pin No. Pin name Typical ...
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Pin Descriptions (cont.) Pin No. Pin name Typical waveform W/o External Capafitor Noise precentice peak hold pin. 8 Mute Connect to GND via W/External Capafitor 9 LPF (1) Transmitter filter pin. Constitutes the tertiary active filter with ...
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Pin Descriptions (cont.) Pin No. Pin name Typical waveform KT/HT 1V KT/HT signal input pin, Digital VR ON Pin. Inputs a KEY IN TONE or HOLD TONE signal. If the Pin14 is set to Low, KT/HT input the KT signal ...
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Pin Descriptions (cont.) Pin No. Pin name Typical waveform Speaker output (1) pin out (1) 1V Speaker output (1) pin. Output of the class-A differential ampli- fier and connected to the speaker through the transformer (300 ) with ...
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Characteristics Curve V – I Characterristic Impedance 6. 100 120 0 20 Circuit Current I (mA) Circuit Current ...
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Application Circuit 100kB F 0.0022 10k F 0.0082 F 0.1 F 0.22 6.8k F 0.01 F 0.001 F 0. 0.068 F 0.01 F/16V 47 6.2k 12k F 0.01 2.7k F/16V 10 F/16V 10 F 0.01 F 0.033 ...