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TDA7575BPD

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List of figures TDA7575B
4/32 Doc ID 14103 Rev 3
List of figures
Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2. Pins connection diagram (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3. Quiescent drain current vs. supply voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 4. Output power vs. supply voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 5. Output power vs. supply voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 6. Output power vs. supply voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 7. Distortion vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 8. Distortion vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 9. Distortion vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 10. Distortion vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 11. Distortion vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 12. Distortion vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 13. Distortion vs. output voltage (LD mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 14. Cross talk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 15. Cross talk vs. frequency (LD mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 16. CMRRR vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 17. Output attenuation vs. supply voltage (vs. dependent muting) . . . . . . . . . . . . . . . . . . . . . . 13
Figure 18. Output attenuation vs. mute pin voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 19. Power dissipation vs. output power (4 - SINE). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 20. Power dissipation vs. output power (2 - SINE). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 21. Power dissipation vs. average output power (Audio program simulation, 4) . . . . . . . . . . 14
Figure 22. Power dissipation vs. average output power (Audio program simulation, 2) . . . . . . . . . . 14
Figure 23. ITU R-ARM frequency response, weighting filter for transient pop. . . . . . . . . . . . . . . . . . . 14
Figure 24. Application circuit (TDA7575B). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 25. Application circuit (TDA7575BPD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 26. Data validity on the I2C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 27. Timing diagram on the I2C bus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 28. Timing acknowledge clock pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 29. Turn-on diagnostic: working principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 30. SVR and output behavior - case 1: without turn-on diagnostic . . . . . . . . . . . . . . . . . . . . . . 23
Figure 31. SVR and output pin behavior - case 2: with turn-on diagnostic . . . . . . . . . . . . . . . . . . . . . 24
Figure 32. Short circuit detection thresholds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 33. Load detection thresholds - high gain setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 34. Load detection thresholds - high gain setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 35. Restart timing without diagnostic enable (permanent) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 36. Restart timing with diagnostic enable (permanent). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 37. Current detection high: load impedance |Z| vs. output peak voltage . . . . . . . . . . . . . . . . . 27
Figure 38. Current detection low: load impedance |Z| vs. output peak voltage . . . . . . . . . . . . . . . . . . 27
Figure 39. PowerSO36 (slug up) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . 29
Figure 40. Flexiwatt27 (vertical) mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . 30
TDA7575B Block and pins diagrams
Doc ID 14103 Rev 3 5/32
1 Block and pins diagrams
Figure 1. Block diagram
Figure 2. Pins connection diagram (top view)
I
2
CBUS
A B CLK
ADDRESS
DATA VCC CD_OUT
V
S
OUT1+
OUT1-
OUT2+
OUT2-
CLIP
DETECTOR
SHORT CIRCUIT
PROTECTION
SHORT CIRCUIT
PROTECTION
IN1+
SVR S_GND
I
2
C EN
PW_GND TAB
ST-BY/HE 1Ω MUTE
IN1-
IN2+
IN2-
D01AU1269
TAB
18
16
17
15
6
5
4
3
2
21
22
31
32
33
35
34
36
20
1
19
OUT2+
D01AU1270
9
8
7
28
29
30
1027
14
12
11
23
25
26
1324
IN2+
IN2-
I2C-EN
CD-OUT
1-OHM
ST_BY
MUTE
IN1-
IN1+
SVR
N.C.
N.C.
N.C.
N.C.
SGND
CK
DATA
OUT1+
OUT1+
VCC
PWGND
A
PWGND
VCC
VCC
OUT2+
OUT1-
OUT2-
OUT2-
OUT1-
VCC
PWGND
PWGND
B
D03IN1512
TAB
PWGND
B
OUT1+
N.C.
OUT1-
V
CC
IN1+
IN1-
MUTE
STT-BY
SGND
DATA
CK
SVR
CD_OUT
1Ω
I2CEN
IN2-
IN2+
V
CC
N.C.
OUT2+
OUT2-
A
PWGND
TAB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
25
26
22
21
23
24
27
Flexiwatt27
PowerSO36 (slug up)
Electrical specifications TDA7575B
6/32 Doc ID 14103 Rev 3
2 Electrical specifications
2.1 Absolute maximum ratings
Table 2. Absolute maximum ratings
2.2 Thermal data
Table 3. Thermal data
2.3 Electrical characteristics
V
S
= 14.4 V; f = 1 kHz; R
L
= 4 ; T
amb
= 25 °C unless otherwise specified.
Symbol Parameter Value Unit
V
op
Operating supply voltage 18 V
V
S
DC supply voltage 28 V
V
peak
Peak supply voltage (for t = 50 ms) 50 V
V
CK
CK pin voltage 6 V
V
DATA
Data pin voltage 6 V
I
O
Output peak current (not repetitive t = 100 ms) 8 A
I
O
Output peak current (repetitive f > 10 Hz) 6 A
P
tot
Power dissipation T
case
= 70 °C 86 W
T
stg
, T
j
Storage and junction temperature -55 to 150 °C
Symbol Parameter PowerSO36 Flexiwatt 27 Unit
R
th j-case
Thermal resistance junction-to-case Max 1 1 °C/W
Table 4. Electrical characteristics
Symbol Parameter Test condition Min. Typ. Max. Unit
Power amplifier
V
S
Supply voltage range - 8 - 18 V
I
d
Total quiescent drain current - 50 130 200 mA
P
o
Output power
Max. power
(1)
35 40 - W
THD = 10 %
THD = 1 %; BTL mode
25 28
22
-W
R
L
= 2 ; THD 10 %
R
L
= 2 ; THD 1 %
R
L
= 2 ; Max. power
(1)
45
70
50
37
75
-W
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TDA7575BPD

Mfr. #:
Buy TDA7575BPD
Manufacturer:
STMicroelectronics
Description:
Audio Amplifiers 2 x 75W Multifunct Dual-Bridge Pwr Amp
Lifecycle:
New from this manufacturer.
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