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MAX7428 Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX7428 Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 21 page Standard Definition Video Reconstruction Filters and Buffers _______________________________________________________________________________________ 5 0.1 1 10 OUTPUT IMPEDANCE vs. FREQUENCY FREQUENCY (MHz) 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 200ns/div OUTPUT TRANSIENT DUE TO INPUT MUX SWITCHING OUT_ 500mV/div -70 -95 0.1 1 10 PASSBAND CHANNEL-TO-CHANNEL CROSSTALK vs. FREQUENCY -90 FREQUENCY (MHz) -85 -80 -75 BOOST = CODE 00 Typical Operating Characteristics (continued) (VCC = +5V, RREXT = 300k Ω; BOOST0_, BOOST1_ = 0, 0; VIN = 1Vp-p, TA = +25°C, unless otherwise noted.) Pin Description PIN MAX7432 MAX7430 MAX7428 NAME FUNCTION 1 1 — IN1A Video Input 1A. Master channel, sync signal required. Use a 0.1µF series input capacitor for proper operation. 2 2 — IN2A Video Input 2A. Slave channel, clamping controlled by master channel sync. Use a 0.1µF series input capacitor for proper operation. 3 — — IN3A Video Input 3A. Slave channel, clamping controlled by master channel sync. Use a 0.1µF series input capacitor for proper operation. 4, 10 8 4 GND Ground 5 4 — IN1B Video Input 1B. Master channel, sync signal required. Use a 0.1µF series input capacitor for proper operation. 6 5 — IN2B Video Input 2B. Slave channel, clamping controlled by master channel sync. Use a 0.1µF series input capacitor for proper operation. 7 — — IN3B Video Input 3B. Slave channel, clamping controlled by master channel sync. Use a 0.1µF series input capacitor for proper operation. 8 6 6 DATA Serial Data Interface 9 — — OUT3 Buffer Output 3 11 7 — OUT2 Buffer Output 2 12 3 7 REXT External Resistor. Connect a 300k Ω resistor from REXT to GND for internal biasing. Connect a 1nF to 1µF capacitor from REXT to GND for chip-address programming (see Table 3). |
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