List of figures TDA7566
4/29 Doc ID 9801 Rev 6
List of figures
Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2. Application and test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3. Pin connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 4. Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 5. Output power vs. supply voltage (4 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 6. Output power vs. supply voltage (2 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 7. Distortion vs. output power (4 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 8. Distortion vs. output power (2 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 9. Distortion vs. frequency (4 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 10. Distortion vs. frequency (2 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 11. Crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 12. Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 13. Power dissipation and efficiency vs. output power (4 W, Sine) . . . . . . . . . . . . . . . . . . . . . 11
Figure 14. Power dissipation vs. average output power (audio program simulation, 4 W) . . . . . . . . . 11
Figure 15. Power dissipation vs. average output power (audio program simulation, 2 W) . . . . . . . . . 11
Figure 16. Turn - on diagnostic: working principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 17. SVR and output behavior (case 1: without turn-on diagnostic). . . . . . . . . . . . . . . . . . . . . . 13
Figure 18. SVR and output pin behavior (case 2: with turn-on diagnostic) . . . . . . . . . . . . . . . . . . . . . 13
Figure 19. Thresholds for short to GND/V
S
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 20. Thresholds for short across the speaker/open speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 21. Thresholds for line-drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 22. Restart timing without diagnostic enable (Permanent) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 23. Restart timing with diagnostic enable (Permanent) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 24. Current detection: load impedance magnitude |Z| vs. output peak voltage of the sinus. . . 16
Figure 25. Data validity on the I
2
C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 26. Timing diagram on the I
2
C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 27. Timing acknowledge clock pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 28. Flexiwatt25 mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
TDA7566 Block diagram and application and test circuit
Doc ID 9801 Rev 6 5/29
1 Block diagram and application and test circuit
1.1 Block diagram
Figure 1. Block diagram
1.2 Application and test circuit
Figure 2. Application and test circuit
I2C BUSTHERMAL
PROTECTION
& DUMP
REFERENCE
CLIP
DETECTOR
F
R
F
SVR RF RR LF LR TAB S_GNDAC_GND
R
IN RF
IN RR
IN LF
IN LR
OUT LR-
PW_GND
OUT LR+
OUT LF-
OUT LF+
OUT RR-
OUT RR+
OUT RF-
OUT RF+
MUTE1
MUTE2
SHORT CIRCUIT
PROTECTION &
DIAGNOSTIC
12/26dB
12/26dB
12/26dB
12/26dB
SHORT CIRCUIT
PROTECTION &
DIAGNOSTIC
SHORT CIRCUIT
PROTECTION &
DIAGNOSTIC
SHORT CIRCUIT
PROTECTION &
DIAGNOSTIC
V
CC1
V
CC2
DATA CD_OUTCLK
D00AU1229
IN RF
C1 0.22μF
IN RR
C2 0.22μF
OUT RF
OUT RR
IN LF
C3 0.22μF
IN LR
C4 0.22μF
OUT LF
OUT LR
D00AU1212
C5
1μF
C6
10μF
TAB
47K
-
+
-
+
-
+
-
+
Vcc1
Vcc2
C8
0.1μF
C7
3300μF
DATA
I
2
C BUS
CLK
12
11
14
15
22
25
13
S-GND
16 10 4
CD OUT
V
620
17
18
19
21
24
23
9
8
7
5
2
3
1
Pin description TDA7566
6/29 Doc ID 9801 Rev 6
2 Pin description
Figure 3. Pin connection (top view)
D99AU1037
TAB
PW_GND LR
OUT LR-
CD-OUT
OUT LR+
V
CC1
OUT LF-
PW_GND LF
OUT LF+
SVR
IN LF
IN LR
S GND
IN RR
IN RF
AC GND
OUT RF+
PW_GND RF
OUT RF-
V
CC2
OUT RR+
CK
OUT RR-
PW_GND RR
DATA
1
25
2
3
4
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
22
23
24

E-TDA7566

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
Audio Amplifiers 4 X 45 W quad Bridge Radio Amp
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet