TPA4411 datasheet(11/21 Pages) TI

Teilenummer	TPA4411

Bauteilbeschribung	80-mW CAPLESS STEREO HEADPHONE DRIVER

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Hersteller	TI [Texas Instruments]

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−120

−100

−80

−60

−40

−20

0

10

100

1 k

10 k

100 k

Left to Right

Right to Left

f − Frequency − Hz

VDD = 3.6 V,

PO = 20 mW

RL = 16 Ω

0

20

40

60

80

100

120

1.8

2.3

2.8

3.3

3.8

4.3

180

° Out of Phase

In Phase

VDD − Supply Voltage − V

THD = 1 %

RL = 16 Ω

0

50

100

150

200

250

1.8

2.3

2.8

3.3

3.8

4.3

180

° Out of Phase

In Phase

VDD − Supply Voltage − V

THD = 10 %

RL = 16 Ω

0

20

40

60

80

100

120

140

160

1.8

2.3

2.8

3.3

3.8

4.3

180

° Out of Phase

In Phase

VDD − Supply Voltage − V

THD = 1 %

RL = 32 Ω

0

50

100

150

200

250

1.8

2.3

2.8

3.3

3.8

4.3

180

° Out of Phase

In Phase

VDD − Supply Voltage − V

THD = 10 %

RL = 32 Ω

VDD − Supply Voltage − V

0

1

2

3

4

5

6

7

8

9

10

0

1

1.5

2

2.5

3

3.5

4

4.5

5

30

40

50

60

70

80

90

100

110

120

0

10

20

30

40

50

2.2

µF

1

µF

0.68

µF

0.47

µF

RL − Load Resistance − Ω

In Phase,

VDD = 3 V,

THD = 1%,

Vary C(PUMP)

0

5

10

15

20

25

30

35

40

10

100

1000

10000

Out of Phase

In Phase

RL − Load Resistance − Ω

VDD = 1.8 V,

THD = 10%,

fIN = 1 kHz,

PO = POUTL + POUTR

0

5

10

15

20

25

30

10

100

1000

10000

Out of Phase

In Phase

RL − Load Resistance − Ω

VDD = 1.8 V,

THD = 1%,

fIN = 1 kHz,

PO = POUTL + POUTR

TPA4411

SLOS430 – AUGUST 2004

CROSSTALK

OUTPUT POWER

vs

FREQUENCY

SUPPLY VOLTAGE

Figure 46.

Figure 47.

Figure 48.

OUTPUT POWER

QUIESCENT SUPPLY CURRENT

vs

SUPPLY VOLTAGE

Figure 49.

Figure 50.

Figure 51.

OUTPUT POWER

vs

LOAD RESISTANCE

Figure 52.

Figure 53.

Figure 54.

11

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