TDA7497 查看數據表（PDF） - STMicroelectronics
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TDA7497 Datasheet PDF : 7 Pages
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TDA7497
Figure 2. Output Power vs Supply Voltage (L/R)
W
12
10
TDA7497
Rl = 4 Ohm
f = 1KHz
8
6
THD=10%
4
THD=1%
2
0
+12
+14
+16
Vdc
+18
+20
Figure 3. Output Power vs Supply Voltage
W
Pout vs Vcc : RL=8 Ohm, F=1KHz (filter 22Hz-22KHz),
10 THD= 1%, 10%, channels L/R/C
8
TDA7497
Rl = 8 Ohm
6
f = 1KHz
4
2
THD=10%
THD=1%
0
+10 +12 +14 +16 +18 +20 +22 +24 +26
Vdc
Figure 4. Frequency Response
Amp. (dB)
+5
+4
+3
TDA7497
+2
Vcc=26Vdc
Rl = 8 Ohm
+1
0dB = 1W
+0
-1
-2
-3
-4
-5
20
50 100 200 500 1k 2k 5k 10k 20k 50k100k
Frequency ( Hz )
Figure 5. THD+N vs Output Power
T.H.D. (%)
10
5
2
1
TDA7497
0.5
Vcc=20 Vdc
Rl = 4 Ohm
f = 1KHz
0.2
0.1
0.05
0.02
0.01
100m
200m
500m
1
2
Pout (W)
5
10
Figure 6. THD+N vs Output Power
T.H.D. (%)
10
5
2
1
0.5
0.2
0.1
0.05
TDA7497
Vcc=26Vdc
Rl = 8 Ohm
f = 1KHz
0.02
0.01
60m 100m 200m
500m 1
2
Pout (W)
5
10
Figure 7. Pdiss vs Output Power
Pdiss. (W)
16
15
14
13
TDA7497
Vcc = 26V
12
Right/Left/Center= 8 Ohm
X axis is 3X Pout
11
10
9
0
5
10
15
20
25
30
Pout. (W)
5/7
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