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ISL59482IRZ Scheda tecnica(PDF) 1 Page - Intersil Corporation |
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ISL59482IRZ Scheda tecnica(HTML) 1 Page - Intersil Corporation |
1 / 15 page 1 Dual, 500MHz Triple, Multiplexing Amplifiers ISL59482 The ISL59482 contains two independent fixed gain of 2 triple 4:1 MUX amplifiers that feature high slew rate and excellent bandwidth for RGB video switching. Each RGB 4:1 MUX contains binary coded, channel select logic inputs (S0, S1), and separate logic inputs for High Impedance Output (HIZ) and power-down (EN) modes. The HIZ state presents a high impedance at the output so that both RGB MUX outputs can be wired together to form an 8:1 RGB MUX amplifier or, they can be used in R-R, G-G, and B-B pairs to form a 4:1 differential input/output MUX. Separate power-down mode controls (EN1, EN2,) are included to turn off unneeded circuitry in power sensitive applications. With both EN pins pulled high, the ISL59482 enters a standby power mode consuming just 34mW. Features • Dual, triple 4:1 multiplexers for RGB • 520MHz bandwidth into 500Ω load • ±1600 V/µs slew rate • Externally configurable for various video MUX circuits including: - 8:1 RGB MUX - Two separate 4:1 RGB MUX - 4:1 differential RGB video MUX • Internally fixed gain-of-2 • High impedance outputs (HIZ) • Power-down mode (EN) • ±5V operation • Supply current 16mA/Ch maximum • Pb-free (RoHS compliant) Applications • HDTV/DTV analog inputs • Video projectors, computer monitors •Set-top boxes •Security video • Broadcast video equipment TABLE 1. CHANNEL SELECT LOGIC TABLE ISL59482 S1-1, 2 S0-1, 2 EN1, 2 HIZ1, 2 OUTPUT1, 2 0 0 0 0 IN0 (A, B, C) 0 1 0 0 IN1 (A, B, C) 1 0 0 0 IN2 (A, B, C) 1 1 0 0 IN3 (A, B, C) X X 1 X Power-down XX 0 1 High Z DECODE1 IN0(A1, B1, C1) IN1(A1, B1, C1) IN2(A1, B1, C1) IN3(A1, B1, C1) S0-1 S1-1 EN0-1 EN3-1 EN2-1 HIZ1 EN1 AMPLIFIER1 BIAS EN1-1 DECODE2 IN0(A2, B2, C2) IN1(A2, B2, C2) IN2(A2, B2, C2) IN3(A2, B2, C2) S0-2 S1-2 EN0-2 EN3-2 EN2-2 HIZ2 EN2 AMPLIFIER2 BIAS EN1-2 OUT(A1, B1, C1) OUT(A2, B2, C2) + - + - FIGURE 1. ISL59482 FUNCTIONAL DIAGRAM August 8, 2014 FN6209.4 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2006, 2012, 2014. All Rights Reserved Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries. All other trademarks mentioned are the property of their respective owners. |
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