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HCA600ACREF

600W/1000W Full Bandwidth Class D Amplifier

Intersil 

HCA600ACREF

Block Diagram of HCA600ACREF Test Setup

SET TO

UNBALANCED

GROUNDED

AUDIO PRECISION OR OTHER DISTORTION ANALYZER

AUDIO PRECISION

.

..

.

. . . ..

8Ω LOAD

RESISTOR

+-

II

ANN A

GPPG

NUU N

DTTD

-+

11

22

VV

+12V

+12V

200mA

+-

-12V

+12V

200mA

+-

12VFLT

+BUS (125V)

-BUS (-125V)

PGND

+12V

500mA

+-

-

-

1kVA POWER SUPPLY

(SEE BELOW)

CAUTION: Remove power and discharge capacitors before removing or inserting the amplifier. Failure to do so may

damage the module.

NOTES:

4. Differential input. input signal to - INPUT and + INPUT returned to analog ground.

5. When using + INPUT, return - INPUT to analog ground.

6. Enable may be left open since a 25µA pull up current will enable the IC. The fan, CL and SFCL all may also be left open.

8

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