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LS256B Datasheet(PDF) 5 Page - STMicroelectronics |
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LS256B Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 8 page ELECTRICAL CHARACTERISTICS (continued) Symbol Parameter Test Conditions Min. Typ. Max. Unit Fig. SPEECH OPERATION (continued) GR Sidetone F = 1kHz, Tamb =25 °C, S1 in (b) IL = 52mA IL = 25mA 36 36 dB 2 ZML Line Matching Impedance VRI = 0.3V, f = 1kHz IL = 12 to 80mA 500 600 700 Ω MULTIFREQUENCY SYNTHESIZER INTERFACE VDD MF Supply Voltage (standby and operation) IL = 12 to 80mA 2.4 2.5 V IDD MF Supply Current Stand by Operation IL = 12 to 80mA IL = 12 to 80mA ; S2 in (b) 0.5 2 mA mA MF Amplifier Gain IL = 12 to 80mA, fMF in = 1kHz VMF in = 80mV 15 17 dB 4 VI DC Input Voltage Level (pin 14) VM Fin = 80mV 3VDD V RI Input Impedance (pin 14) VM Fin = 80mV 40 k Ω d Distortion VM Fin = 110mV IL = 12 to 80mA 2% 4 Starting Delay Time IL = 12 to 80mA 5 ms Muting Threshold Voltage (pin 3) Speech Operation 1 V MF Operation 1.6 V Muting Stand by Current (pin 3) IL = 12 to 80mA – 10 µA Muting Operating Current (pin 3) IL = 12 to 80mA, S2 in (b) + 10 µA LS256 5/8 |
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Descripción similar - LS256B |
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