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PDF TDA7564B Data sheet ( Hoja de datos )
| Número de pieza | TDA7564B | |
| Descripción | Multifunction Quad Power Amplifier | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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TDA7564B
4 x 50W multifunction quad power amplifier
with built-in diagnostics features
Features
■ Multipower BCD technology
■ MOSFET output power stage
■ DMOS power output
■ New Hi-efficiency (class SB)
■ High output power capability 4x28W/4Ω @
14.4V, 1KHZ, 10% THD, 4x50W max, power
■ Max. output power 4x72W/2Ω
■ Full I2C bus driving:
– St-by
– Independent front/rear soft play/mute
– Selectable gain (for low noise line output
function)
– High efficiency enable/disable
– I2C bus digital diagnostics (including AC
and DC load detection)
■ Full fault protection
■ DC offset detection
■ Four independent short circuit protection
■ Clipping detector (2%/10%)
■ Linear thermal shutdown with multiple thermal
warning
■ ESD protection
Flexiwatt25
(Vertical)
Flexiwatt25
(Horizontal)
Description
The TDA7564B is a new BCD technology QUAD
BRIDGE type of car radio amplifier in Flexiwatt25
package specially intended for car radio
applications.
Thanks to the DMOS output stage the TDA7564B
has a very low distortion allowing a clear powerful
sound. Among the features, its superior efficiency
performance coming from the internal exclusive
structure, makes it the most suitable device to
simplify the thermal management in high power
sets.
The dissipated output power under average
listening condition is in fact reduced up to 50%
when compared to the level provided by
conventional class AB solutions. This device is
equipped with a full diagnostics array that
communicates the status of each speaker through
the I2C bus.
Order codes
Part number
TDA7564B
TDA7564BH
Package
Flexiwatt25 (vertical)
Flexiwatt25 (horizontal)
Packing
Tube
Tube
September 2006
DataSheet4 U .com
Rev 1
1/30
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TDA7564B
2 Pins description
Pins description
Figure 3. Flexiwatt25 vertical pins connection diagram (Top of view)
25 DATA
24 PW_GND RR
23 OUT RR-
22 CK
OUT RR+
20 VCC2
19 OUT RF-
18 PW_GND RF
17 OUT RF+
16 AC GND
15 IN RF
14 IN RR
13 S GND
12 IN LR
11 IN LF
10 SVR
9 OUT LF+
8 PW_GND LF
7 OUT LF-
6 VCC1
OUT LR+
4 CD-OUT
3 OUT LR-
2 PW_GND LR
1 TAB
D99AU1037
Figure 4. Flexiwatt25 horizontal pins connection diagram (Top of view)
25 DATA
24 PW_GND RR
23 OUT RR-
22 CK
OUT RR+
20 VCC2
19 OUT RF-
18 PW_GND RF
17 OUT RF+
16 AC GND
15 IN RF
14 IN RR
13 S GND
12 IN LR
11 IN LF
10 SVR
9 OUT LF+
8 PW_GND LF
7 OUT LF-
6 VCC1
OUT LR+
4 CD-OUT
3 OUT LR-
2 PW_GND LR
1 TAB
AU1037_H
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TDA7564B
Electrical specifications
Figure 15. Power Dissipation & Efficiency vs. Figure 16. Power Dissipation & Efficiency vs.
Output Power (4Ω, STD, SINE)
Output Power (4W, HI-EFF, SINE)
Ptot (W)
90
80 STANDARD MODE
70
Vs = 14.4 V
RL = 4 x 4 Ohm
f = 1 KHz SINE
60
n (%)
90
n
80
70
60
50 50
40 Ptot 40
30 30
20 20
10 10
00
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
Po (W)
Figure 17. Power Dissipation vs. Average
Ouput Power (Audio Program
Simulation, 4Ω)
Ptot (W)
45
40
Vs = 14 V
35 RL = 4 x 4 Ohm
GAUSSIAN NOISE
30
25
20
15
10
5
0
012
Po (W)
STD MODE
CLIP
START
HI-EFF MODE
345
Ptot (W)
90
80 HI-EFF MODE
70
Vs = 14.4 V
RL = 4 x 4 Ohm
f = 1 KHz SINE
60
50
40
30
20
10
0
0.1
1
Po (W)
n (%)
90
80
n
70
60
50
Ptot
40
30
20
10
0
10
Figure 18. Power Dissipation vs. Average
Ouput Power (Audio Program
Simulation, 2Ω)
Ptot (W)
90
80
Vs = 14 V
70 RL = 4 x 2 Ohm
GAUSSIAN NOISE
60
50
40
30
20
10
0
0123
STD MODE
CLIP
START
HI-EFF MODE
456789
Po (W)
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| PDF Descargar | [ Datasheet TDA7564B.PDF ] | |
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