CS35L32 datasheet(46/51 Pages) CIRRUS

No de pièce	CS35L32

Description	Boosted Class D Amplifier with Speaker-Protection Monitoring and Flash LED Drivers

PDF	51 Pages

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Fabricant	CIRRUS [Cirrus Logic]

Site Internet	http://www.cirrus.com

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46 / 51 page

DS963F5

CS35L32

8.2 Audio Output Typical Performance Plots

To avoid nonlinearities (distortion) introduced by the amplifier load inductor itself, all amplifier typical performance plots

use a resistor and not a simulated speaker load. No EMI filtering is populated on the amplifier outputs (OUT±).

Figure 8-5. Device Idle Power Consumption, Current vs. VP—

VBST = 5.0 V, VBST = VP = 3.6 V

Figure 8-6. Device Idle Power Consumption, Power vs. VP—

VBST = 5.0 V, VBST = VP = 3.6 V

Figure 8-7. THD+N Ratio vs. Output Power @ 1 kHz, 8

—

Bypass Mode (VBST = VP = 3.6 V),

Fixed Boost Mode (VBST = 5 V), Automatic Mode

Figure 8-8. THD+N Ratio vs. Frequency, 8

—

Bypass Mode (VBST = VP = 3.6 V, Load = 0.5 W),

Fixed Boost Mode (VBST = 5 V, Load = 1 W)

2.5

3.5

4.5

5.5

VP Voltage (V)

2.5

3.5

4.5

5.5

100

120

140

160

VP Voltage (V)

VBST = VP

VBST = 5 V

Automatic Mode

0.01

0.1

0.001

0.01

0.1

Output Power (W)

VBST = VP

VBST = 5 V

100

1000

10000

0.0001

0.001

0.01

0.1

Frequency (Hz)

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