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PDF TDA7297D Data sheet ( Hoja de datos )
| Número de pieza | TDA7297D | |
| Descripción | 10W+10W DUAL BRIDGE AMPLIFIER | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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TDA7297D
10W+10W DUAL BRIDGE AMPLIFIER
1 FEATURES
■ TECHNOLOGY BI20II
■ WIDE SUPPLY VOLTAGE RANGE (6.5 - 18V)
■ OUTPUT POWER 10+10W @ THD = 10%,
RL = 8Ω, VCC = 13V
■ MINIMUM EXTERNAL COMPONENTS
– NO SVR CAPACITOR
– NO BOOTSTRAP
– NO BOUCHEROT CELLS
– INTERNALLY FIXED GAIN
■ STAND-BY & MUTE FUNCTIONS
■ SHORT CIRCUIT PROTECTION
■ THERMAL OVERLOAD PROTECTIONE
Figure 2. TEST AND APPLICATION CIRCUIT
Figure 1. Package
PowerSO20 (SLUG UP)
Table 1. Order Codes
Part Number
TDA7297D
Package
PowerSO20 (SLUG UP)
2 DESCRIPTION
The TDA7297D is a dual bridge amplifier specially
designed for Home Audio, Plasma TV, LCD TV appli-
cations.
VCC
R1
JP1 47K
C3 0.22µF
+5V 7
IN1
R2
47K S-GND
13
ST-BY R3 10K
9
C4
10µF
Vref
C5 0.22µF
IN2
14
MUTE R4 10K
8
C6
1µF
1
10
11
PW-GND
20
6 15
C1 C2 C7
470µF 100nF 100nF
+ 2 OUT1+
-
- 5 OUT1-
+
+ 19 OUT2+
-
- 16 OUT2-
+
D02AU1407
May 2004
REV. 1
1/11
1 page  
Figure 6. THD+N vs Output Power
THD(%)
10
5
2
1
0.5
0.2
0.1
0.05
f=1KHz
0.02
0.01
100m 200m
f=5KHz
Vcc=13V
Rl= 8ohm
F=1KHz
500m
1
2
2 x Pout (W)
5
10 20
TDA7297D
Figure 9. Frequency Response
L e ve l(d B r)
5.0000
4.0000
3.0000
2.0000
1.0000
0.0
-1.000
-2.000
-3.000
-4.000
-5.000
10
V cc = 16.5V
Rl = 8 ohm
Pout = 1W
100 1k
frequency (Hz)
10k
100k
Figure 7. THD+N vs Output Power
THD(%) 10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
100m
f=1KHz
200m
f=5KHz
Vcc=11V
Rl= 8ohm
F=1KHz
500m
1
2x Pout (W)
2
5 10
Figure 10. Output Power vs supply Voltage
16
14
12
10
8
6
4
2
0
6
Rl =8ohm
F=1KHz
d=10%
d=1%
7 8 9 10 11 12 13 14 15 16
Vs (V)
Figure 8. THD+N vs Frequency
THD(%)
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
20
Vcc=13V
Rl= 8ohm
Po = 5W
50 100 200
500 1k
Frequency (Hz)
2k
5k 10k
Figure 11. Power Dissipation vs Pout
11
10
9
8
7
6
5
4 Vcc=13V
3 Rl = 8 ohm
2 F=1KHz
1
0
0 1 2 3 4 5 6 7 8 9 10 11
2xPout(W)
5/11
5 Page 
TDA7297D
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences
of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted
by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject
to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not
authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics.
All other names are the property of their respective owners
© 2004 STMicroelectronics - All rights reserved
STMicroelectronics GROUP OF COMPANIES
Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan -
Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States
www.st.com
11/11
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