ISL59446 데이터 시트보기 (PDF) - Renesas Electronics

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ISL59446

500MHz Triple 4:1 Gain-of-2, Multiplexing Amplifier

Renesas Electronics 

ISL59446

Pin Descriptions (Continued)

ISL59446

(32 LD QFN)

25

PIN NAME

ENABLE

EQUIVALENT

CIRCUIT

Circuit 2

26

HIZ

Circuit 2

27

29

31

32

IN

IN0C

IN0B

IN0A

GNDA

Circuit 1

Circuit 1

Circuit 1

Circuit 4

V+

V-

CIRCUIT 1

DESCRIPTION

Device enable (active low). Internal pull-down resistor ensures device is active with no

connection to this pin. A logic High puts device into power-down mode and only the logic

circuitry is active. Logic states are preserved post power-down.

Output disable (active high). Internal pull-down resistor ensures the device will be active with no

connection to this pin. A logic high, puts the outputs in a high impedance state. Use this state

to control logic when more than one MUX-amp share the same video output line.

Channel 0 for output amplifier "C"

Channel 0 for output amplifier "B"

Channel 0 for output amplifier "A"

Ground pin for output amplifier “A”

LOGIC PIN

21k

+

1.2V

-

33k

CIRCUIT 2

V+

GND

V-

V+

OUT

V-

CIRCUIT 3

V+

GNDA

GNDB

GNDC

V-

CAPACITIVELY

COUPLED

ESD CLAMP

CIRCUIT 4

THERMAL HEAT SINK PAD

V-

~1M

SUBSTRATE

FN6261 Rev 3.00

July 31, 2014

Page 3 of 14

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