TDA7491LP Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

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Fabricante

TDA7491LP

2 x 5-watt dual BTL class-D audio amplifier

STMicroelectronics 

Characterization curves

TDA7491LP

Figure 18. THD vs. output power (100 Hz)

Test Condition:

Vcc =9V,

RL= 8 ohm,

Rosc =39kΩ, Cosc =100nF,

f =100Hz,

Gv =30dB,

Tamb =25°C

Specification Limit:

Typical:

Po =5W @ THD =10%

THD (%)

10

5

2

1

0.5

0.2

0.1

0.05

0.02

0.01

0.005

100m

200m 300m 400m 600m 800m 1

Output Power (W)

2

3

4 56

Figure 19. THD vs. frequency

Test Condition:

Vcc =9V,

RL= 8 ohm,

Rosc =39kΩ, Cosc =100nF,

f =1kHz,

Gv =30dB,

Po =1W

Tamb =25°C

THD (%)

1

0.5

0.2

0.1

0.05

0.02

Specification Limit:

Typical: THD<0.5%

0.01

0.005

20

50

100

200

500

1k

2k

Frequency (Hz)

5k

10k 20k

20/37

Doc ID 13541 Rev 5

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