TDA7497S Datasheet, PDF (5/7 Pages) STMicroelectronics – 8W+8W+15W TRIPLE AMPLIFIER

Figure 2. Output Power vs Supply Voltage
W
10
TDA7497
Rl = 80hm
f = 1KHz
8
6
THD=10%
4
THD=1%
2
0
+10
+12 +14 +16 +18 +20 +22 +24 +25
Vdc
Pout vs Vcc : RL=8ohm, F=1KHz (filter 22Hz-22KHz),
THD= 1%, 10%, channels L/R/C
Figure 3. Frequency Response
Amp.
(dB)
+5l
+4
+3
+2
+1
+0
-1
-2
-3
-4
-5
20
TDA7497
Vcc=25 Vdc
Rl = 8ohm
0dB = 1W
50 100 200
500 1k 2k
Frequency ( Hz )
5k 10k 20k
50k 100k
TDA7497S
Figure 4. THD+N vs Output Power
T.H.D.
(%)
10
5
2
1
0.5
0.2
0.1
0.05
TDA7497
Vcc=26Vdc
Rl = 8ohm
f = 1KHz
0.02
0.01
60m 100m 200m 500m 1
2
5 10
Figure 5. Pdiss vs Output Power
Pdiss. (W)helv
16
15
14
13
12
TDA7497
Vcc = 26V
Right/Left/Center= 8 ohm
11
X axis is 3X Pout
10
9
0
5
10
15
20
25
30
Pout. (W)
5/7