TPA2000D4DAP datasheet(13/27 Pages) TI

13 / 27 page

TPA2000D4

STEREO 2W CLASSD AUDIO POWER AMPLIFIER

WITH STEREO HP AMPLIFIER

SLOS337B − DECEMBER 2000 − REVISED NOVEMBER 2005

WWW.TI.COM

TYPICAL CHARACTERISTICS

Figure 21

−70

−80

100 200

500

1 k

−50

−30

−10

2 k

5 k 10 k 20 k

f − Frequency − Hz

HEADPHONE

SUPPLY VOLTAGE REJECTION RATIO

FREQUENCY

−60

−40

−20

VDD = 5 V,

AV = 0 dB,

VO = 1 VRMS,

RL = 10 kΩ

CB = 1 µF

CB = 0.1 µF

CB = 2.5 V

Figure 22

0.1

0.01

0.002

0.001

100 200

500

1 k

0.5

2 k

5 k 10 k 20 k

f − Frequency − Hz

HEADPHONE

TOTAL HARMONIC DISTORTION + NOISE

FREQUENCY

VDD = 5 V,

RL = 10 kΩ,

VO = 1 VRMS

0.005

0.02

0.05

0.2

AV = 20 dB

AV = 6 dB

AV = 0 dB

0.0005

Figure 23

HEADPHONE

TOTAL HARMONIC DISTORTION + NOISE

OUTPUT VOLTAGE

VDD = 5 V,

RL = 10 kΩ,

AV = 0 dB

0.1m

0.2m

0.4m 0.6m 0.8m 1

VO − Output Voltage − V

0.1

0.01

0.002

0.001

0.5

0.005

0.02

0.05

0.2

f = 100 Hz

f = 1 kHz

f = 20 kHz

0.0005

Figure 24

VDD = 5 V,

VO = 1 VRMS,

RL = 10 kΩ,

AV = 0 dB

−70

−100

−110

−120

100 200

500

1 k

−60

−40

f − Frequency − Hz

HEADPHONE

CROSSTALK

FREQUENCY

−20

2 k

5 k 10 k 20 k

−90

−80

−50

−30

Right to Left

Left to Right

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