TDA7491LP View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7491LP

2 x 5-watt dual BTL class-D audio amplifier

STMicroelectronics 

TDA7491LP

Figure 24. Power supply rejection ratio vs. frequency

Characterization curves

Test Condition :

Vcc = 9V,

RL = 8 ohm,

Rosc =39kΩ, Cosc =100nF,

Vin=0,

Gv =30dB,

Tamb =25°C

Ripple frequency=100Hz

Ripple voltage=500mV

Figure 25. Power dissipation and efficiency vs. output power

Test Condition :

Vcc = 9V,

RL = 8 ohm,

Rosc =39kΩ, Cosc =100nF,

Vin=0,

Gv =30dB,

Tamb =25°C

90

80

70

60

50

40

30

20

10

0

0

Vcc=9V

Rload=8ohm

Gain=30dB

f=1kHz

1

2

3

4

Output power per channel (W)

2. 5

2

1. 5

1

0. 5

0

5

Doc ID 13541 Rev 5

23/37

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