TPA2038D1YFFT datasheet(7/22 Pages) TI1

No de pièce	TPA2038D1YFFT

Description	3.2 W Mono Class-D Audio Power Amplifier With Selectable Gain and Auto-Recovering Short-Circuit Protection

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Fabricant	TI1 [Texas Instruments]

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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

Gain = 6 dB

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

Gain = 6 dB

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

Gain = 6 dB

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

Gain = 6 dB

TPA2038D1

www.ti.com

SLOS697

– AUGUST 2011

TYPICAL CHARACTERISTICS (continued)

PVDD = 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

vs SUPPLY VOLTAGE

Figure 11.

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7

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