Datasheet

ISL59483
Dual, 500MHz Triple, Multiplexing Amplifiers

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Typical Diagram

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Key Features

Separate gain of 1 and gain of 2, triple 4:1 multiplexers for RGB
Externally configurable for various video MUX circuits including

8:1 RGB MUX with selectable gains of 1 or 2
Two separate 4:1 RGB MUX with gains of 1 and 2

High impedance outputs (HIZ)
Power-down mode (EN)
±5V operation
±870V/µs slew rate (G = 1), ±1600V/µs slew rate (G = 2)
500MHz bandwidth
Supply current 16mA/CH
Pb-free plus anneal (RoHS compliant)

Description

The ISL59483 contains a gain of 1 triple 4:1 MUX amplifier (MUX1), and a second gain of 2 triple 4:1 MUX amplifier (MUX2). Each feature high slew rate and excellent bandwidth for RGB video switching. They contain separate 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 ISL59483 enters a standby power mode, consuming just 36mW.