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PDF TDA7490SA Data sheet ( Hoja de datos )
| Número de pieza | TDA7490SA | |
| Descripción | Stereo Class-D Amplifier | |
| Fabricantes | STMicroelectronics | |
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TDA7490SA
10W +10W Stereo Class-D Amplifier
Features
■ FEATURES
■ 10W + 10W CONTINUOUS OUTPUT
POWER: RL = 8Ω THD = 10%
■ HIGH EFFICIENCY
■ SINGLE SUPPLY AND SPLIT SUPPLY
OPERATION
■ POP NOISE FREE
■ ST-BY AND MUTE FEATURES
■ SHORT CIRCUIT PROTECTION
■ THERMAL OVERLOAD PROTECTION
■ EXTERNALLY SYNCHRONIZABLE
CLIPWATT 19
Description
The tda7490SA is a dual audio class-D amplifier
assembled in CLIPWATT 19 package specially
designed for high efficiency application mainly for
TV, LCD TV and Home Stereo sets.
Order codes
Part number
TDA7490SA
.
Temp range, °C
0 to 70
Package
CLIPWATT 19
Packing
Tube
November 2005
Rev 1
1/13
www.st.com
13
1 page  
TDA7490SA
2 Electrical characteristcs
2 Electrical characteristcs
www.datasTheaebt4leu.c3o.m electrical characteristcs (Refer to the test circuit, VCC = ±13.5V; RL = 8Ω;
Demod. filter L = 33 µH, C = 220nF; f = 1KHz; R1 = 27kΩ; Tamb = 25°C unless otherwise
specified.)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
VS Supply Range
Iq Total Quiescent Current
VOS Output Offset Voltage
Po Output Power
PD
h
THD
Imax
Tj
Maximum Dissipated Power
Efficiency (1)
Total Harmonic Distortion
Overcurrent Protection
Threshold
Thermal Shut-down Junction
Temperature
RL = ∞; no LC filter
THD = 10%
THD = 1%
VCC = ±10V; RL = 4Ω
THD = 10%
THD = 1%
VCC = ±6V; RL = 4Ω
THD = 10%
THD = 1%
Po = 10+10W; THD = 10%
Po = 10+10W; RL = 8Ω
RL = 8Ω; Po = 0.5W
RL = 0
±7 ±15 V
60 mA
-150
+150 mV
10 W
8.2 W
10 W
8W
4
3
3.5
86
0.1
W
W
W
%
%
2 2.5
A
150 °C
GV Closed Loop Gain
∆GV Gain Matching
eN Total Input Noise
A Curve
f = 20Hz to 22KHz
CT
Ri
SVR
Vrmax
Tr, Tf
RDSON
FSW
Cross Talk
Input Resistance
Supply Voltage Rejection
Overvoltage Protection
Threshold
Rising and Falling Time
Power Transistor on Resistance
Switching Frequency
f = 1KHz
f = 100Hz; Vr = 0.5
Internal Oscillator
30
-1 1
7
12
t.b.d.
30
60
dB
dB
µV
µV
dB
kΩ
dB
30 V
50 ns
0.3 W
180 200 220 KHz
5/13
5 Page 
TDA7490SA
4 Package information
4 Package information
In order to meet environmental requirements, ST offers these devices in ECOPACK® packages.
www.datasheet4u.comThese packages have a Lead-free second level interconnect. The category of second Level
Interconnect is marked on the package and on the inner box label, in compliance with JEDEC
Standard JESD97. The maximum ratings related to soldering conditions are also marked on
the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at:
www.st.com.
Figure 14. clipwatt19 mechanical data & package dimensions
mm inch
DIM.
MIN. TYP. MAX. MIN. TYP. MAX.
A 3.2 0.126
B 1.05 0.041
C 0.15
0.006
D 1.50
0.061
E 0.49
0.55 0.019
0.022
F 0.47 0.50 0.58 0.018
0.020
F1 0.1 0.004
G 0.87 1.00 1.13 0.034 0.039 0.044
G1 17.87 18.0 18.13 0.703 0.708 0.713
H1 12.0
0.480
H2 18.6
0.732
H3 19.85
0.781
L 17.9
0.704
L1 14.55
0.572
L2 10.7 11.0 11.2 0.421 0.433 0.441
L3 5.50
0.217
M 2.54
0.100
M1 2.54
0.100
OUTLINE AND
MECHANICAL DATA
Clipwatt19
7390917 A
11/13
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet TDA7490SA.PDF ] | |
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