CS35L00 datasheet(22/34 Pages) CIRRUS

номер детали	CS35L00

подробное описание детали	2.8 W Mono Class-D Audio Amplifier with Low Idle Current

PDF	34 Pages

Scroll/Zoom	100%

производитель	CIRRUS [Cirrus Logic]

домашняя страница	http://www.cirrus.com

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22 / 34 page

CS35L00

DS906PP1

Note:

16. “Idle Current Draw vs. VBATT - SD Mode” capacitor values refer to CFILT when configured as the

“CS35L00’s Minimized Optional Output Filter”, shown in Figure 5 on page 17.

0.00

1.00

2.00

3.00

4.00

5.00

6.00

7.00

2.5

3.544.555.5

VBATT Supply Voltage (V)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

2.5

3.0

3.5

4.0

4.5

5.0

5.5

VBATT Supply Voltage (V)

Figure 14. Idle Current Draw vs. VBATT - SD Mode

RL =8 Ω +33 μH (Note 16)

Figure 15. Output Power vs. VBATT - SD Mode

RL = 8 Ω

1% THD+N Ratio

RL = 8 Ω

10% THD+N Ratio

RL = 4 Ω

1% THD+N Ratio

RL = 4 Ω

10% THD+N Ratio

No Filter

470 pF

1000 pF

2200 pF

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

250

500

750

1000

1250

1500

1750

2000

Output Power (mW)

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

500

1000

1500

2000

2500

3000

3500

Output Power (mW)

Figure 16. Efficiency vs. Output Power - SD Mode

RL =8 Ω +33 μH

Figure 17. Efficiency vs. Output Power - SD Mode

RL =4 Ω +33 μH

4.2 V

3.7 V

4.2 V

3.7 V

5.0 V

100

150

200

250

300

350

400

450

250

500

750

1000

1250

1500

1750

2000

Output Power (mW)

100

200

300

400

500

600

700

800

500

1000

1500

2000

2500

3000

3500

Output Power (mW)

Figure 18. Supply Current vs. Output Power - SD Mode

RL =8 Ω +33 μH

Figure 19. Supply Current vs. Output Power - SD Mode

RL =4 Ω +33 μH

5.0 V

4.2 V

3.7 V

5.0 V

4.2 V

3.7 V

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