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ISL59420
400MHz Multiplexing Amplifier
The ISL59420 is a 420MHz bandwidth 2:1 multiplexing amplifier designed primarily for video switching. This Mux-amp has user-settable gain and also feature a high speed three-state function to enable the output of multiple devices to be wired together. All logic inputs have pull-downs to ground and may be left floating. The ENABLE pin, when pulled high, sets the ISL59420 to the low current power-down mode for power sensitive applications - consuming just 5mW.
TABLE 1. CHANNEL SELECT LOGIC TABLE
S0 ENABLE HIZ
OUTPUT
000
IN0
100 X1X X01
IN1 Power Down
High Z
Related Literature
• See AN1187, “ISL59420/21EVAL1 Evaluation Board User’s Guide”
DATASHEET
FN7459 Rev 2.