TPA2039D1 datasheet(7/17 Pages) TI

Teilenummer	TPA2039D1

Bauteilbeschribung	3.2W Mono Class-D Audio Power Amplifier With 12-dB Gain and Auto Short-Circuit Recovery

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VDD − Supply Voltage − V

2.5

3.0

3.5

4.0

4.5

5.0

5.5

1.00

1.25

1.50

1.75

2.00

RL = No Load

RL = 8 Ω + 33 µH

RL = 4 Ω + 33 µH

VEN − EN Voltage − V

0.0

0.1

0.2

0.3

0.4

0.5

0

50

100

150

200

VDD = 2.5 V

VDD = 3.6 V

VDD = 5.0 V

RL − Load Resistance − Ω

4

8

12

16

20

24

28

32

0

1

2

3

4

VDD = 2.5 V

VDD = 3.6 V

VDD = 5.0 V

THD+N = 10 %

Frequency = 1 kHz

RL − Load Resistance − Ω

4

8

12

16

20

24

28

32

0

1

2

3

4

VDD = 2.5 V

VDD = 3.6 V

VDD = 5.0 V

THD+N = 1 %

Frequency = 1 kHz

VDD − Supply Voltage − V

2.5

3.0

3.5

4.0

4.5

5.0

0

1

2

3

4

RL = 4 Ω, THD+N = 1 %

RL = 4 Ω, THD+N = 10 %

RL = 8 Ω, THD+N = 1 %

RL = 8 Ω, THD+N = 10 %

Frequency = 1 kHz

PO − Output Power − W

10m

100m

1

5

0.01

0.1

1

10

100

VDD = 2.5 V

VDD = 3.6 V

VDD = 5.0 V

RL = 4 Ω + 33 µH

TPA2039D1

www.ti.com

SLOS652 – DECEMBER 2009

TYPICAL CHARACTERISTICS (continued)

VDD = 3.6 V, CI = 0.1 μF, CS1 = 0.1 μF, CS2 = 10 μF, TA = 25°C, RL = 8 Ω (unless otherwise noted)

SUPPLY CURRENT

vs SUPPLY VOLTAGE

vs EN VOLTAGE

Figure 7.

Figure 8.

OUTPUT POWER

vs LOAD RESISTANCE

Figure 9.

Figure 10.

OUTPUT POWER

THD + NOISE

vs SUPPLY VOLTAGE

vs OUTPUT POWER

Figure 11.

Figure 12.

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