Mono, 2W, Switch-Mode (Class D)

Audio Power Amplifier

4

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Typical Operating Characteristics

(VCC = PVCC = +3V, input amplifier gain = -1, SHDN = VCC , TA = +25°C, unless otherwise noted.)

10

1k

100k

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. INPUT FREQUENCY (VIN = 2.5VP-P)

INPUT FREQUENCY (Hz)

10

1

0.01

0.1

VCC = +5V

RL = 8

Ω

1MHz

125kHz

250kHz

500kHz

0

0.3

0.6

1.2

0.9

1.5

1.8

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. OUTPUT POWER (fIN = 1kHz)

OUTPUT POWER (W)

100

10

1

0.10

0.1

VCC = +5V

RL = 8

Ω

500kHz

250kHz

1MHz

125kHz

0

0.3

0.6

0.9

1.2

1.5

1.8

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. OUTPUT POWER (fIN = 20kHz)

OUTPUT POWER (W)

10

1

0.01

0.1

VCC = +5V

RL = 8

Ω

1MHz

125kHz

250kHz

500kHz

10

1k

100k

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. INPUT FREQUENCY (VIN = 2.5VP-P)

INPUT FREQUENCY (Hz)

10

1

0.01

0.1

1MHz

125kHz

250kHz

500kHz

VCC = +5V

RL = 4

Ω

0

0.5

1.0

1.5

2.0

2.5

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. OUTPUT POWER (fIN = 1kHz)

OUTPUT POWER (W)

100

10

1

0.10

0.1

VCC = +5V

RL = 4

Ω

1MHz

250kHz

125kHz

500kHz

0

0.5

1.0

1.5

2.0

2.5

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. OUTPUT POWER (fIN = 20kHz)

OUTPUT POWER (W)

100

10

1

0.10

0.1

VCC = +5V

RL = 4

Ω

250kHz

125kHz

500kHz

1MHz

10

1k

100k

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. INPUT FREQUENCY (VIN = 2.5VP-P)

INPUT FREQUENCY (Hz)

10

1

0.01

0.1

VCC = +5V

RL = 32

Ω

1MHz

125kHz

250kHz

500kHz

0

0.1

0.2

0.3

0.4

0.5

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. OUTPUT POWER (fIN = 1kHz)

OUTPUT POWER (W)

100

10

1

0.10

0.1

VCC = +5V

RL = 32

Ω

1MHz

500kHz

250kHz

125kHz

0

0.1

0.2

0.3

0.4

0.5

TOTAL HARMONIC DISTORTION PLUS NOISE

vs. OUTPUT POWER (fIN = 20kHz)

OUTPUT POWER (W)

100

10

1

0.10

0.1

VCC = +5V

RL = 32

Ω

500kHz

1MHz

125kHz

250kHz