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FM1246 Datasheet(PDF) 5 Page - NXP Semiconductors |
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FM1246 Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 24 page 1997 May 14 5 Philips Components Preliminary specification Desktop video & FM radio module system CCIR I FM1246 LIMITING VALUES Limiting values under operational conditions The tuner can be guaranteed to function properly under the following conditions. Notes 1. Sinusoidal ripple voltage superimposed on the 5 V supply voltage in the frequency range of 20 Hz to 500 kHz. Criteria for TV interference >57 dB. 2. For detailed information about the address decoding, refer to Chapter “Application information”. SYMBOL PARAMETER PIN MIN. TYP. MAX. UNIT VS supply voltage 12 4.75 5.00 5.25 V VS(ripple) peak-to-peak ripple voltage susceptibility (at5V ±5%); note 1 20 Hz to 100 kHz −− 5mV >100 kHz to 500 kHz −− 10 mV IS(tuner) supply current −− 120 mA VSCL SCL bus input voltage 13 −0.3 − +5.25 V VSDA SDA bus input voltage 14 −0.3 − +5.25 V ISDA SDA bus current (open collector) −1 − +5 mA VAS address select voltage; note 2 15 −− +5.25 V VAFright(FM) FM right channel DC voltage 20 − 1.0 − V ZAFright(FM) FM right channel load impedance parallel connected: resistive value − 50 − k Ω capacitive value − 9 − pF VAFleft(FM) FM left channel DC voltage 21 − 1.0 − V ZAFleft(FM) FM left channel load impedance: resistive value − 50 − k Ω capacitive value − 9 − pF ZIF 2nd IF sound output load impedance 22 0.5 −− k Ω ZCVBS Composite Video Baseband Signal load impedance 23 − 75 −Ω tL CVBS load time constant −− 100 ns VS(IF) IF supply voltage 24 4.75 5.0 5.25 V IS(IF) IF supply current −− 150 mA ZAF AF sound output load impedance parallel connected: 25 resistive value 5.0 −− k Ω capacitive value −− 4nF |
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