TDA7491LP View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

TDA7491LP

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

STMicroelectronics 

TDA7491LP

Characterization curves

4.2

With 8-Ω load at VCC = 9 V

Figure 16. Output power vs. supply voltage

Test Condition :

Vcc = 5~9V,

RL = 8 ohm,

Rosc =39kΩ, Cosc =100nF,

f =1kHz,

Gv =30dB,

Tamb =25°C

Specification Limit:

Typical:

Vs =9V,Rl = 8 ohm

Po =5W @THD =10%

Po =4W @THD =1%

6

5. 5

5

4. 5

4

3. 5

3

2. 5

2

1. 5

1

0. 5

0

5

Rl =8 ohm

f =1kHz

THD =10%

THD =1%

6

7

8

9

Supply voltage (V)

Figure 17. THD vs. output power (1 kHz)

Test Condition:

Vcc =9V,

RL= 8 ohm,

Rosc =39kΩ, Cosc =100nF,

f =1kHz,

Gv =30dB,

Tamb =25°C

Specification Limit:

Typical:

Po =5W @ THD =10%

THD (%)

10

5

2

1

0.5

0.2

0.1

0.05

0.02

0.01

100m

200m 300m 400m 600m 800m 1

2

Output Power (W)

3

4 56

Doc ID 13541 Rev 5

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