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TDA9861 Datasheet(PDF) 7 Page - NXP Semiconductors |
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TDA9861 Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 18 page June 1994 7 Philips Semiconductors Preliminary specification Universal HiFi audio processor for TV TDA9861 Volume 2 / balance control f = 1 kHz, 24 steps Gv nominal volume control −24 − 0dB minimum volume control −23 −−1dB gain in mute position −80 −85 − dB ∆G v step width 0.5 1.0 1.5 dB gain tracking error −− 2dB Bass control Gv controllable bass CB = 33 nF maximum boost f = 40 Hz 14 15 16 dB maximum attenuation f = 40 Hz 11 12 13 dB ∆Gv step width 1 1.5 2 dB Gv controllable enhanced bass Fig.1 maximum boost f = 60 Hz 18 19 20 dB maximum attenuation f = 60 Hz 14 15 16 dB ∆G v step width 1 2 3 dB Treble control Gv controllable treble maximum boost f = 15 kHz 11 12 13 dB maximum attenuation f = 15 kHz 11 12 13 dB ∆Gv step width (resolution) 2.5 3 3.5 dB Effect controls αspat1 anti-phase crosstalk by spatial effect − 52 − % α spat2 − 30 − % ϕ phase shift by pseudo-stereo − Fig.3 − Loudspeaker channel outputs (pins 15 and 18) Vo maximum output signal (RMS value; pins 15 and 18) THD ≤ 0.5%; RL > 10 kΩ; CL < 1.5 nF 2 −− V ∆V 15, 18 maximum DC offset voltage between adjoining step and any step to mute for volume control Gv = 0 to +15 dB/mute − 215 mV Gv = −64 to 0 dB/mute − 0.5 10 mV for bass control Gv = 0 to +15 dB/mute − 215 mV Gv = −12 to 0 dB/mute − 0.5 10 mV for treble control Gv = −12 to +12 dB/mute − 0.5 10 mV Ro output resistance (pins 15 and 18) −− 100 Ω RL allowed output load resistor 10 −− k Ω CL allowed output load capacitor −− 1.5 nF SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT |
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