TAS2521 datasheet(15/35 Pages) TAOS

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0.01

0.10

1.00

10.00

100.00

0.5

1.5

2.5

Output Power (W)

Series1

Series2

Series4

Series5

C005

Gain = 6 dB

Gain = 12 dB

Gain = 18 dB

Gain = 24 dB

0.01

0.1

100

0.5

1.5

2.5

Output Power (W)

Series1

Series2

Series4

Series5

Series6

Series7

C006

SPKVDD = 2.7 V

SPKVDD = 3 V

SPKVDD = 3.3 V

SPKVDD = 3.6 V

SPKVDD = 4.2 V

SPKVDD = 5.5 V

0.01

0.1

100

0.5

1.5

2.5

Output Power (W)

Gain = 6 dB

Gain = 12 dB

Gain = 18 dB

Gain = 24 dB

C003

0.01

0.10

1.00

10.00

100.00

0.5

1.5

2.5

Output Power (W)

Series1

Series2

Series4

Series5

Series6

Series7

C004

SPKVDD=2.7V

SPKVDD=3V

SPKVDD=3.3V

SPKVDD=3.6V

SPKVDD=4.2V

SPKVDD=5.5V

±180

±160

±140

±120

±100

±80

±60

±40

±20

4000

8000

12000

16000

20000

Frequency (Hz)

C001

±180

±160

±140

±120

±100

±80

±60

±40

±20

4000

8000

12000

16000

20000

Frequency (Hz)

C002

TAS2521

www.ti.com

SLAS687A – FEBRUARY 2013 – REVISED FEBRUARY 2013

Typical Performance

4.1

Class D Speaker Driver Performance

Figure 4-1. DAC To Speaker Amplitude at 0 dBFS vs Frequency (4

Figure 4-2. AINL To Speaker FFT Amplitude at 0 dBFS vs

Ω Load)

Frequency (4

Ω Load)

Figure 4-3. Total Harmonic Distortion + Noise vs 4

Ω Speaker

Figure 4-4. Total Harmonic Distortion + Noise + NOISE vs 4

Power (SPKVDD = 5.5 V)

Speaker Power (Gain = 18 dB)

Figure 4-5. Total Harmonic Distortion + Noise + NOISE vs 8

Figure 4-6. Total Harmonic Distortion + Noise + NOISE vs 8

Speaker Power (SPKVDD = 5.5 V)

Speaker Power (Gain = 18 dB)

Typical Performance

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