A21SP16 datasheet(20/37 Pages) STMICROELECTRONICS

номер детали	A21SP16

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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20 / 37 page

Electrical characteristic curves

A21SP16

20/37

DocID026037 Rev 2

Figure 22. CMRR vs. frequency

Figure 23. CMRR vs. frequency

100

1000

10000

-60

-40

-20

Vcc=5V, 3V

RL=4

Ω + 30μH

G=6dB

ΔVicm=500mVpp

Cin=4.7

μF

Tamb = 25

°C

20k

Frequency (Hz)

100

1000

10000

-60

-40

-20

Vcc=5V, 3V

RL=4

Ω + Filter

G=6dB

ΔVicm=500mVpp

Cin=4.7

μF

Tamb = 25

°C

20k

Frequency (Hz)

Figure 24. CMRR vs. frequency

Figure 25. CMRR vs. frequency

100

1000

10000

-60

-40

-20

Vcc=5V, 3V

RL=8

Ω + 15μH

G=6dB

ΔVicm=500mVpp

Cin=4.7

μF

Tamb = 25

°C

20k

Frequency (Hz)

100

1000

10000

-60

-40

-20

Vcc=5V, 3V

RL=8

Ω + 30μH

G=6dB

ΔVicm=500mVpp

Cin=4.7

μF

Tamb = 25

°C

20k

Frequency (Hz)

Figure 26. CMRR vs. frequency

Figure 27. CMRR vs. common mode input

voltage

100

1000

10000

-60

-40

-20

Vcc=5V, 3V

RL=8

Ω + Filter

G=6dB

ΔVicm=500mVpp

Cin=4.7

μF

Tamb = 25

°C

20k

Frequency (Hz)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

-70

-60

-50

-40

-30

-20

Vcc=3.3V

Vcc=2.5V

Vcc=5V

ΔVicm = 200mVpp

F = 217Hz

G = 6dB

≥ 4Ω + ≥ 15μH

Tamb = 25

°C

Common Mode Input Voltage (V)

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