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TDA7491LP 数据表(PDF) 19 Page - STMicroelectronics

部件名 TDA7491LP
功能描述  2 x 5-watt dual BTL class-D audio amplifier
PDF  37 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7491LP 数据表(HTML) 19 Page - STMicroelectronics

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TDA7491LP
Characterization curves
Doc ID 13541 Rev 5
19/37
4.2
With 8-
Ω load at VCC = 9 V
Figure 16.
Output power vs. supply voltage
Figure 17.
THD vs. output power (1 kHz)
0
0. 5
1
1. 5
2
2. 5
3
3. 5
4
4. 5
5
5. 5
6
56
789
THD =1%
THD =10%
Rl =8 ohm
f =1kHz
Test Condition :
Vcc = 5~9V,
RL = 8 ohm,
Rosc =39k
Ω, 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%
Supply voltage (V)
THD (%)
Output Power (W)
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
100m
6
200m
300m 400m
600m 800m 1
2
3
4
5
Test Condition:
Vcc =9V,
RL= 8 ohm,
Rosc =39k
Ω, Cosc =100nF,
f =1kHz,
Gv =30dB,
Tamb =25°C
Specification Limit:
Typical:
Po =5W @ THD =10%



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