TDA7492P datasheet(14/26 Pages) STMICROELECTRONICS

Part #	TDA7492P

Description	25-watt 25-watt dual BTL class-D audio amplifier

PDF	26 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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14 / 26 page

Characterization curves

TDA7492P

14/26

Doc ID 15068 Rev 5

Figure 13.

THD at 100 Hz vs output power

Figure 14.

THD at 1 W vs frequency

Figure 15.

Frequency response

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 = 100 Hz,

Gv = 30 dB,

Tamb = 25

r C

Specification limit:

Typical:

Po = 25 W @THD = 10%

Output power (W)

Frequency (Hz)

THD (%)

0.005

0.5

0.01

0.02

0.05

0.1

0.2

20k

100

200

500

10k

Test conditions:

Vcc = 20 V,

RL = 8

Ω,

Rosc= 39 k

Ω,Cosc = 100 nF,

f = 1 kHz,

Gv = 30 dB,

Po = 1 W

Tamb = 25

r C

Specification Limit:

Typical:

THD < 0.4%

Ampl

(dB)

Specification limit:

Max:

+/-3 dB @20 Hz to 20 kHz

Test conditions:

Vcc = 20 V,

RL = 8

Ω,

Rosc= 39 k

Ω,Cosc = 100 nF,

f = 1 kHz,

Gv = 30 dB,

Po = 1 W

Tamb = 25

r C

-5

-4

-3

-2

-1

-0

30k

100

200

500

10k

20k

Frequency (Hz)

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