A21SP16J datasheet(21/37 Pages) STMICROELECTRONICS

номер детали	A21SP16J

подробное описание детали	3 W filter-free class-D audio power amplifier

PDF	37 Pages

Scroll/Zoom	100%

производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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21 / 37 page

DocID026037 Rev 2

21/37

A21SP16

Electrical characteristic curves

Figure 28. THD+N vs. output power

Figure 29. THD+N vs. output power

1E-3

0.01

0.1

Vcc=4V

Vcc=2.5V

RL = 4

Ω + 15μH

F = 1kHz

G = 6dB

BW < 30kHz

Tamb = 25

°C

Output Power (W)

1E-3

0.01

0.1

Vcc=4V

Vcc=2.5V

RL = 4

Ω + 30μH

F = 1kHz

G = 6dB

BW < 30kHz

Tamb = 25

°C

Output Power (W)

Figure 30. THD+N vs. output power

Figure 31. THD+N vs. output power

1E-3

0.01

0.1

Vcc=5V

Vcc=2.5V

Vcc=3.3V

RL = 8

Ω + 15μH

F = 1kHz

G = 6dB

BW < 30kHz

Tamb = 25

°C

Output Power (W)

1E-3

0.01

0.1

Vcc=5V

Vcc=2.5V

Vcc=3.3V

RL = 8

Ω + Filter

F = 1kHz

G = 6dB

BW < 30kHz

Tamb = 25

°C

Output Power (W)

Figure 32. THD+N vs. output power

Figure 33. THD+N vs. output power

1E-3

0.01

0.1

Vcc=4V

Vcc=2.5V

RL = 4

Ω + 15μH

F = 1kHz

G = 6dB

BW < 30kHz

Tamb = 25

°C

Output Power (W)

1E-3

0.01

0.1

Vcc=4V

Vcc=2.5V

RL = 4

Ω + 30μH

F = 1kHz

G = 6dB

BW < 30kHz

Tamb = 25

°C

Output Power (W)

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