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PDF TDA7497SA Data sheet ( Hoja de datos )
| Número de pieza | TDA7497SA | |
| Descripción | TRIPLE AMPLIFIER | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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TDA7497SA
www.datasheet4u.com
8W+8W+15W TRIPLE AMPLIFIER
PRODUCT PREVIEW
1 FEATURES
■ 8+8W (RL = 8Ω) + 15W ( RL = 4Ω)
OUTPUT POWER @THD = 10%, Vcc = 25V
■ INDEPENDENT MUTE FOR CENTER
CHANNEL AND MAIN CHANNELS
■ NO TURN-ON TURN-OFF POP NOISE
■ NO BOUCHEROT CELL
■ SINGLE SUPPLY RANGING UP TO 35V
■ SHORT CIRCUIT PROTECTION
■ THERMAL OVERLOAD PROTECTION
■ INTERNALLY FIXED GAIN
■ SOFT CLIPPING
■ CLIPWATT 15 PACKAGE
2 DESCRIPTION
The TDA7497SA is a triple 8+8+15W class AB power
Figure 1. Package
Clipwatt15
Table 1. Order Codes
Part Number
TDA7497SA
Package
Clipwatt15
amplifier assembled in the @ Clipwatt 15 package,
specially designed for high quality sound, TV applica-
tions.
Features of the TDA7497SA include mute functions
independently controlled for main and center chan-
nels.
Figure 2. Block Diagram
PW_GND
11
C1
INR
1
470nF
S_GND
8
PW_GND_C
4
C2
INL
470nF
5
VS_C
2
13
VS
C11
0.1µF
+VS
C9
1000µF
C10
C8 1000µF
0.1µF
+ 14
-
30K
OP AMP
OUTR
C12 1µF
9 10K R2
S1 MUTE2
(CENTER)
+5V
MUTE
PROTECTIONS
+
MUTE2
10K R1
S_GND
10 MUTE1
60K C7
1µF
12 OUTL
+5V
S2 MUTE1
(L/R)
-
30K
OP AMP
C6 1000µF
C3
INC
6
470nF
C4
SVR
7
470µF
+
-
30K
OP AMP
C5
3 OUTC
1000µF
PW_GND
15
D98AU961B
February 2005
This is preliminary information on a new product now in development. Details are subject to change without notice.
Rev. 3
1/10
1 page  
Figure 5. Output Power vs Supply Voltage
W
www.datashe1e0t4u.com
8
TDA7497
Rl = 80hm
f = 1KHz
6
4
2
THD=10%
THD=1%
0
+10
+12 +14 +16 +18 +20 +22
Vdc
Pout vs Vcc : RL=8ohm, F=1KHz (filter 22Hz-22KHz),
THD= 1%, 10%, channels L/R/C
+24 +25
Figure 6. 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
Figure 7. 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
TDA7497SA
Figure 8. Pdiss vs Output Power
Pdiss. (W)helv
16
15
14
13
12
TDA7497
Vcc =26V
Right/Left/Center=8 ohm
11 Xaxisis3XPout
10
9
0 5 10 15 20 25
Pout. (W)
30
Figure 9. Output power vs Supply Voltage
16
Pout(W)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
+14
TDA7497SA
Rl= 4ohm
f =1KHz
Center Ch
THD=10%
THD=1%
+16 +18 +20 +22
Vs ( V )
+24 +26
Figure 10. THD+N vs Output Power
THD(%) 10
5
2
1
0.5
TDA7497SA
Rl = 4ohm
Center Ch
0.2 f =100Hz
0.1
0.05 f =1KHz
0.02
0.01
200m
500m
1
2
5
10 20
5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet TDA7497SA.PDF ] | |
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