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TDA8708 データシート(PDF) 6 Page - NXP Semiconductors |
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TDA8708 データシート(HTML) 6 Page - NXP Semiconductors |
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6 / 24 page  June 1994 6 Philips Semiconductors Product specification Video analog input interface TDA8708A CHARACTERISTICS VCCA = V22 to V23 = 4.5 to 5.5 V; VCCD = V6 to V8 = 4.5 to 5.5 V; VCCO = V7 to V8 = 4.2 to 5.5 V; AGND and DGND shorted together; VCCA to VCCD = −0.5 to +0.5 V; VCCO to VCCD = −0.5 to +0.5 V; VCCA to VCCO = −0.5 to +0.5 V; Tamb = 0 to +70 °C; typical readings taken at VCCA = VCCD = VCCO = 5 V and Tamb = 25 °C; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supplies VCCA analog supply voltage 4.5 5.0 5.5 V VCCD digital supply voltage 4.5 5.0 5.5 V VCCO TTL output supply voltage 4.2 5.0 5.5 V ICCA analog supply current − 37 45 mA ICCD digital supply current − 24 30 mA ICCO TTL output supply current TTL load (see Fig.8) − 12 16 mA Video amplifier inputs VIN(0 TO 2) INPUTS VI(p-p) input voltage (peak-to-peak value) AGC load with external capacitor; note 1 0.6 − 1.5 V |Zi| input impedance fi = 6 MHz 10 20 − k Ω CI input capacitance fi = 6 MHz − 1 − pF I0 AND I1 TTL INPUTS (SEE TABLE 1) VIL LOW level input voltage 0 − 0.8 V VIH HIGH level input voltage 2.0 − VCCD V IIL LOW level input current VI = 0.4 V −400 −− µA IIH HIGH level input current VI = 2.7 V −− 20 µA GATE A AND GATE B TTL INPUTS (SEE FIGS 4 AND 5) VIL LOW level input voltage 0 − 0.8 V VIH HIGH level input voltage 2.0 − VCCD V IIL LOW level input current VI = 0.4 V −400 −− µA IIH HIGH level input current VI = 2.7 V −− 20 µA tW pulse width see Fig.5 2 −− µs RPEAK INPUT (PIN 28) I28(min) minimum peak level current R28 = 0 Ω− 80 150 µA AGC INPUT (PIN 25) V25(min) AGC voltage for minimum gain − 2.8 − V V25(max) AGC voltage for maximum gain − 4.0 − V AGC output current see Table 2 CLAMP INPUT (PIN 24) V24 clamp voltage for code 128 output − 3.5 − V I24 clamp output current see Table 3 |
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