Datenblatt-Suchmaschine für elektronische Bauteile |
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TDA8772H Datenblatt(PDF) 7 Page - NXP Semiconductors |
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TDA8772H Datenblatt(HTML) 7 Page - NXP Semiconductors |
7 / 20 page 1997 Mar 06 7 Philips Semiconductors Product specification Triple 8-bit video digital-to-analog converter TDA8772 CHARACTERISTICS TDA8772H/3 operating at 35 MHz and TDA8772H/8 operating at 85 MHz unless otherwise specified. VDDA =VDDD = 4.5 V to 5.5 V; VSSA and VSSD shorted together; VDDA − VDDD = −0.5 V to +0.5 V; Tamb = 0 to +70 °C; typical values measured at VDDA =VDDD = 5 V and Tamb =25 °C; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supplies VDDA analog supply voltage 4.5 5.0 5.5 V VDDD digital supply voltage 4.5 5.0 5.5 V IDDA analog supply current RL =75 Ω; note 1 40 65 100 mA IDDD digital supply current TDA8772H/3 − 716 mA TDA8772H/8 − 16 27 mA Inputs CLOCK INPUTS (PINS 21 TO 23) VIL LOW level input voltage VSSD − 0.5 − 0.8 V VIH HIGH level input voltage 2.0 − VDDD + 0.5 V BLANK, SYNC INPUTS (PINS 12 AND 11; ACTIVE LOW) VIL LOW level input voltage VSSD − 0.5 − 0.8 V VIH HIGH level input voltage 2.0 − VDDD + 0.5 V R, G, B DIGITAL INPUTS (PINS 1 TO 8, 13 TO 20 AND 24 TO 31) VIL LOW level input voltage VSSD − 0.5 − 0.8 V VIH HIGH level input voltage 2.0 − VDDD + 0.5 V IREFA INTERNAL REFERENCE SUPPLY CURRENT (PIN 38) Ii(REFA) input current − 0.17 0.25 mA IREFB OUTPUT BUFFER SUPPLY CURRENT (PIN 41) Ii(REFB) input current − 0.5 0.7 mA Timing (CL = 25 pF; RL =75 Ω); see Fig.3 fclk(max) maximum clock frequency TDA8772H/3 35 −− MHz TDA8772H/8 85 −− MHz tCPH clock pulse width HIGH 5 −− ns tCPL clock pulse width LOW 5 −− ns tr clock rise time TDA8772H/3 −− 5ns TDA8772H/8 −− 3ns tf clock fall time TDA8772H/3 −− 5ns TDA8772H/8 −− 3ns tSU;DAT input data set-up time 4 −− ns tHD;DAT input data hold time 2.5 −− ns |
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