TDA7491P13TR データシートの表示（PDF） - STMicroelectronics

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TDA7491P13TR

2 x 10-watt dual BTL class-D audio amplifier

STMicroelectronics 

TDA7491P

Characterization curves

Figure 7.

THD vs. frequency

Test Condition:

Vcc=10V,

RL=4 ohm,

Rosc=39kΩ, Cosc=100nF,

f = 1kHz,

Gv=30dB,

Po=1W

Tamb=25℃

THD (%)

1

0.5

0.2

0.1

0.05

0.02

Specification Limit:

Typical: THD <0.5%

0.01

0.005

20

50

100

200

500

1k

2k

Frequency (Hz)

5k

10k 20k

Figure 8.

Frequency response

Test Condition:

Vcc =10V,

RL= 4 ohm,

Rosc=39kΩ, Cosc=100nF,

f = 1kHz,

Gv = 30dB,

Po =1W

Tamb = 25℃

Specification Limit:

Max: +/-3dB

@20Hz to 20kHz

Ampl (dB)

+2

+1

-0

-1

-2

-3

-4

-5

10

20

50 100 200

500

1k

2k

Frequency (Hz)

5k 10k

30k

Figure 9. Crosstalk vs. frequency

Crosstalk (dB)

Test Conditions:

Vcc = 10V

Rl = 4 ohm

Rosc = 39k ohm

Cosc = 100nF

Po = 1W

Gv = 20 dB

Tamb. = 25 ˚C

Specification limits:

Typical:

Crosstalk < -73 dB

Frequency (Hz)

Doc ID 13540 Rev 6

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