TDA749213TR 查看數據表（PDF） - STMicroelectronics

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TDA749213TR

50 W + 50 W dual BTL class-D amplifier

STMicroelectronics 

Characterization curves

TDA7492

Figure 13. THD vs. output (100 Hz)

Test conditions:

Vcc = 25 V,

RL = 8 Ω,

Rosc = 39 kΩ, Cosc = 100 nF,

f = 100 Hz,

Gv = 30 dB,

Tamb = 25r C

Specification limit:

Typical:

Po = 40 W at THD = 10%

10

5

THD

%

2

1

0.5

0.2

0.1

0.05

0.02

0.01

100m

200m

500m

1

2

5

10

20

50

Output power (W)

Test conditions:

Vcc = 25 V,

RL = 8 Ω,

Rosc = 39 kΩ, Cosc = 100 nF,

f = 1 kHz,

Gv = 30 dB,

Po = 1 W,

Tamb = 25r C

Specification limit:

Typical: THD < 0.4%

Figure 14. THD vs. frequency

0.5

0.4

0.3

THD

%

0.2

0.1

0.07

0.06

0.05

0.04

0.03

0.02

0.01

20

50

100

200

500

1k

2k

Frequency (Hz)

5k

10k 20k

Figure 15. Frequency response

Test conditions:

Vcc = 25 V,

RL = 8 Ω,

Rosc = 39 kΩ, Cosc = 100 nF,

f = 1 kHz,

Gv = 30 dB,

Po = 1 W,

Tamb = 25r C

Specification limit:

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

+1

+0.5

-0

dBrA

-0.5

-1

-1.5

-2

-2.5

-3

-3.5

-4

-4.5

-5

-5.5

-6

20

50

100

200

500

1k

2k

Frequency (Hz)

5k

10k

20k

16/32

DocID014926 Rev 6

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