TDA7492 datasheet(13/32 Pages) STMICROELECTRONICS

No. de pieza	TDA7492

Descripción Electrónicos	50 W 50 W dual BTL class-D audio amplifier

PDF	32 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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TDA7492

Characterization curves

Doc ID 14926 Rev 5

13/32

Figure 6.

THD vs. frequency

Figure 7.

Frequency response

Figure 8.

Crosstalk

0.01

0.5

0.02

0.03

0.04

0.05

0.06

0.07

0.1

0.2

0.3

0.4

THD %

20k

100

200

500

10k

Frequency (Hz)

Test conditions:

Vcc = 25 V,

RL = 6

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%

Specification limit:

Max: +/-3 dB (20 Hz to 20 kHz)

Test conditions:

Vcc = 25 V,

RL = 6

Ω,

Rosc = 39 k

Ω, Cosc = 100 nF,

f = 1 kHz,

Gv = 30 dB,

Po = 1 W,

Tamb = 25

r C

-6

-5.5

-5

-4.5

-4

-3.5

-3

-2.5

-2

-1.5

-1

-0.5

-0

+0.5

dBrA

20k

100

200

500

10k

Frequency (Hz)

Specification limit:

Typical: > 50 dB (at f = 1 kHz)

Test conditions:

Vcc = 25 V,

RL = 6

Ω,

Rosc = 39 k

Ω, Cosc = 100 nF,

f = 1 kHz,

Gv = 30 dB,

Po = 1 W

Tamb = 25

r C

-120

-60

-115

-110

-105

-100

-95

-90

-85

-80

-75

-70

-65

Crosstalk

20k

100

200

500

10k

Frequency (Hz)

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