TDA7492P datasheet(13/27 Pages) STMICROELECTRONICS

部件名	TDA7492P

功能描述	25 W 25 W dual BTL class-D audio amplifier

PDF	27 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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13 / 27 page

DocID15068 Rev 6

13/27

TDA7492P

Characterization curves

4.2

Characterizations for 8

 loads with 20 V

Figure 11. Output power vs supply voltage

Figure 12. THD at 1 kHz vs output power

Supply voltage (V)

Test conditions:

Vcc = 8 to 20 V,

RL = 8

Ω,

Rosc = 39 k

Ω, Cosc = 100 nF,

f = 1 kHz,

Gv = 30 dB,

Tamb = 25 C

Specification limit:

Typical:

Vs = 20 V, RL = 8

Po = 25 W @THD = 10%

Po = 20 W @THD = 1%

THD = 1%

THD = 10%

THD (%)

0.005

0.01

0.02

0.05

0.1

0.2

0.5

100m

200m

500m

Test conditions:

Vcc = 20 V,

RL = 8

Ω,

Rosc = 39 k

Ω, Cosc = 100 nF,

f = 1 kHz,

Gv = 30 dB,

Tamb = 25 C

Specification limit:

Typical:

Po = 25 W @THD = 10%

Output power (W)

TDA7492P 数据表(PDF) 13 Page - STMicroelectronics

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