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TDA8771A 数据表(PDF) 7 Page - NXP Semiconductors |
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TDA8771A 数据表(HTML) 7 Page - NXP Semiconductors |
7 / 20 page 1996 Jan 25 7 Philips Semiconductors Product specification Triple 8-bit video Digital-to-Analog Converter (DAC) TDA8771A CHARACTERISTICS VDDA =VDDD = 4.5 to 5.5 V; VSSA and VSSD shorted together; VDDA − VDDD = −0.5 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 Supply 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 =1kΩ; note 1 10 33 45 mA IDDD digital supply current fclk = 35 MHz − 720 mA Inputs CLOCK INPUT (PIN 31) VIL LOW level input voltage 0 − 1.2 V VIH HIGH level input voltage 2.0 − VDDD V R, G, B DIGITAL INPUTS (PINS 12 TO 8, 5 TO 3, 20 TO 13, 30, 29 AND 26 TO 21) VIL LOW level input voltage 0 − 1.2 V VIH HIGH level input voltage 2.0 − VDDD V IREF REFERENCE CURRENT INPUT FOR OUTPUT BUFFERS (PIN 1) II input current − 0.6 0.7 mA Timing; see Fig.3 fclk(max) maximum clock frequency 35 −− MHz tCPH clock pulse width HIGH 8 −− ns tCPL clock pulse width LOW 8 −− ns tr clock rise time −− 5ns tf clock fall time −− 6ns tSU;DAT input data set-up time 4 −− ns tHD;DAT input data hold time 4 −− ns Voltage reference (pin 33, referenced to VSSA) VREF output reference voltage 1.180 1.242 1.305 V Outputs OUTB, OUTR, OUTG ANALOG OUTPUTS (PINS 36, 44 AND 40, REFERENCED TO V SSA) FOR 1kΩ LOAD; see Table 1 FSR full-scale output voltage range 2.80 2.95 3.10 V Vos offset of analog voltage output − 0.25 − V VOmax maximum output voltage data inputs = logic 1; note 2 2.95 3.20 3.45 V VOmin minimum output voltage data inputs = logic 0; note 2 0.05 0.25 0.45 V THD total harmonic distortion fi = 4.43 MHz; fclk = 35 MHz −−44 − dB ZL output load impedance 0.9 1.0 1.1 k Ω |
类似零件编号 - TDA8771A |
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类似说明 - TDA8771A |
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