TDA7492 データシートの表示（PDF） - STMicroelectronics

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TDA7492

50 W + 50 W dual BTL class-D amplifier

STMicroelectronics 

TDA7492

Characterization curves

4.2

Characterizations for 8- loads

Figure 11. Output power vs. supply voltage

Test conditions:

Vcc = 5 - 25 V,

RL = 8 Ω,

Rosc = 39 kΩ, Cosc = 100 nF,

f = 1 kHz,

Gv = 30 dB,

Tamb = 25r C

Specification limit:

Typical:

Vs = 25 V, RL = 8 Ω,

Po = 40 W at THD = 10%,

Po = 32 W at THD = 1%

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10% THD







1% THD

          

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Figure 12. THD vs. output power (1 kHz)

10

Test conditions:

Vcc = 25 V,

RL = 8 Ω,

Rosc = 39 kΩ, Cosc = 100 nF,

f = 1 kHz,

Gv = 30 dB,

Tamb = 25r C

5

THD

%

2

1

0.5

0.2

0.1

Specification limit:

Typical:

Po = 40 W at THD = 10%

0.05

0.02

0.01

100m

200m

500m

1

2

5

10

20

50

Output power (W)

DocID014926 Rev 6

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