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HCA600ACREF

600W/1000W Full Bandwidth Class D Amplifier

Intersil 

HCA600ACREF

Absolute Maximum Ratings

Bus Voltage, VBUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±130V (Note 1)

+/-12V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +/-15V

12VFLT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -Bus +15V

Audio Inputs . . . . . . . . . . . . . . 12V Differential Peak to Peak Voltage

NOTE:

1. WARNING: The voltages inside the shield, at the

edge connector, and on the speaker cables are

potentially deadly. Extreme caution is required.

Operating Conditions

Bus Voltage, VBUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±110V

+/-12V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +/-12V

12VFLT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -Bus +12V

Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . 0oC to 50oC

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the

device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

Electrical Specifications

PARAMETER

RLOAD = 8Ω, VBUS = ±110V, Supply Source Resistance < 2.5Ω, Storage Capacitor > 12,000µF, 12VFLT = 12V,

+/-12V = +/-12V

TA = 25oC

SYMBOL

TEST CONDITIONS

TYP

UNITS

SUPPLY SPECIFICATION

Minimum Bus Voltage

VBUS MIN 600W into 8Ω

±110

V

±VBUS RMS Current

IV BUS

1kHz Sine Wave, Full Output Power (8Ω load)

3

A

±VBUS RMS Current

IV BUS

1kHz Sine Wave, Full Output Power (4Ω load)

6

A

±VBUS,Q Average Current

IVBUSQ Quiescent Current, No Signal

60

mA

12V Float Current

I12VFLTBIAS Current supplied to power output gate driver circuitry

400

mA

Minimum +/-12V

VBIASmin 1kHz Sine Wave, Full Output Power (8Ω load)

11.5

V

±12V Max RMS Current

I+/-15V

No input signal

40

mA

Rising Under Voltage Lock Out Voltage

VUV Rising Bus voltage that activates the amplifier

±75

V

Falling Under Voltage Lock Out Voltage

VUV Falling Bus voltage that shuts down the amplifier

±50

V

ENABLE Threshold Voltage

VENABLE1 Amplifier starts at this voltage, input amplifier muted

1

V

ENABLE Threshold Voltage

VENABLE2 Input amplifiers active and entire amplifier active

2

V

ENABLE Internal Source Current

I ENABLE Internal “Pull Up” Current

25

µA

OUTPUT POWER AND EFFICIENCY

Maximum Output Power (Note 2)

Maximum Output Power (Note 2)

Maximum Output Power (Note 2)

Maximum Output Power (Note 2)

Efficiency

AMPLIFIER PERFORMANCE

PMAX8Ω

10% THD8Ω

PMAX4Ω

10% THD4Ω

PMAXEFF

PMAXEFF

PMAXEFF

PMAXEFF

THD = 1%, 1kHz, RLOAD = 8Ω

THD = 10%, 1kHz, RLOAD = 8Ω

THD = 1%, 1kHz, RLOAD = 4Ω

THD = 10%, 1kHz, RLOAD = 4Ω

POUT = 200W, 8Ω

POUT = 500W, 8Ω

POUT = 400W, 4Ω

POUT = 1000W, 4Ω

600

W

800

W

1000

W

1200

W

88

%

95

%

88

%

90

%

Total Harmonic Distortion + Noise

Signal to Noise Ratio

Output Noise

Intermodulation Distortion

PSRR (∆VOUT/∆VBUS)

THD+N

VSNR

VN

IMD

PSRR

POUT = 400W, RLOAD = 8Ω, 1kHz

Relative to full scale output, 600W into 8Ω

SMPTE, 60Hz and 7kHz, 4:1,

RLOAD = 8Ω at 25W Output

DC

0.015

110

200

0.02

300

%

dB

µV

%

µV/V

2

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