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TDA9170 Fiches technique(PDF) 9 Page - NXP Semiconductors |
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TDA9170 Fiches technique(HTML) 9 Page - NXP Semiconductors |
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9 / 22 page  October 1994 10 Philips Semiconductors Preliminary specification YUV picture improvement processor based on histogram modification TDA9170 CHARACTERISTICS VDDA = 8 V; Tamb = 25 °C; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supply (pins 6, 9 and 24) VDDA analog supply voltage 7.2 − 8.8 V VDDD digital supply voltage − 5.0 − V Vref reference supply voltage − 4.0 − V IDDA analog supply current − 40 − mA Zo(24) output impedance − − 250 Ω Zo(6) output impedance − − 250 Ω Luminance input/output selection LUMINANCE INPUT (PIN 12); note 1 Vi(Y) luminance input voltage AMPSEL = 0 0.3 − − V AMPSEL = 1 1.0 − − V Vi(Yclamp) input voltage level during clamping − 1.5 − V Iib(Y) input bias current − − 0.1 µA LUMINANCE INPUT VOLTAGE RANGE SELECTION AMPSEL (PIN 13); note 2 Vi(SEL)l input voltage selection for lower range − − 1.5 V Vi(SEL)h input voltage selection for higher range 3.5 − − V Iib(SEL) input bias current − − 0.1 µA LUMINANCE OUTPUT (PIN 21) Vo(Y) luminance output voltage AMPSEL = 0 0.3 − − V AMPSEL = 1 1.0 − − V VoYclamp output voltage level during clamping AMPSEL = 0 − 2.9 − V AMPSEL = 1 − 2.0 − V Vno output noise voltage 52 − − dB BY luminance bandwidth transparent 7 9 − MHz BY(nl) non-linear processing luminance bandwidth 10 − − MHz Ebl black level error no offset; transparent − − 1 % EG(n) nominal gain error no offset; transparent − − 8 % Black detection and correction BLACK DETECTOR Blosd(max) maximum black offset detection at the input 23 25 27 % Blosc(max) maximum black offset correction at the input 8 10 12 % |
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