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Partno	Mfg	Dc	Qty	Available	Descript
TDA7388A	ST	N/a	4000	avai	Quad BTL output power amplifier with stand-by and mute inputs, clip and offset detections
TDA7388A	STM	N/a	247	avai	Quad BTL output power amplifier with stand-by and mute inputs, clip and offset detections

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TDA7388A
Quad BTL output power amplifier with stand-by and mute inputs, clip and offset detections
September 2013 DocID14257 Rev 5 1/13
TDA7388A
4 x 42 W quad bridge car radio amplifier
Datasheet - production data
Features High output power capability: 4 x 42 W / 4  max. 4 x 27 W / 4  @ 14.4 V, 1 kHz, 10 % Low distortion Low output noise Standby function Mute function Automute at min. supply voltage detection Low external component count: Internally fixed gain (26 dB) No external compensation No bootstrap capacitors Clipping detector Offset detector Diagnostic facility for: Out to GND short Out to VS short Thermal shutdown Protections: Output short circuit to GND, to VS, across
the load Very inductive loads Overrating chip temperature with soft
thermal limiter Load dump voltage Fortuitous open GND Output DC offset detector Reversed battery ESD
Description
The TDA7388A is a new technology class AB
audio power amplifier in Flexiwatt27 package
designed for high end car radio applications.
Thanks to the fully complementary PNP/NPN
output configuration the TDA7388A allows a rail
to rail output voltage swing with no need of
bootstrap capacitors. The extremely reduced
components count allows very compact sets.
The TDA7388A is also equipped with Clipping
detector and Offset detector features.

Table 1. Device summary
Contents TDA7388A
2/13 DocID14257 Rev 5
Contents Pin connection and test/application diagrams . . . . . . . . . . . . . . . . . . . . 5 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4 Electrical characteristic curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Application hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1 SVR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2 Input stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3 Standby and muting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
DocID14257 Rev 5 3/13
TDA7388A List of tables
List of tables
Table 1. Device summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table 2. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 3. Thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 4. Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Table 5. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
List of figures TDA7388A
4/13 DocID14257 Rev 5
List of figures
Figure 1. Pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 2. Standard test and application circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3. Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 4. Output power vs. supply voltage (4 Ohm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 5. Distortion vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 6. Distortion vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 7. Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 8. Crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 9. Output noise vs. source resistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 10. Power dissipation & efficiency vs. output power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 11. ITU R-ARM frequency response, weighting filter for transient pop. . . . . . . . . . . . . . . . . . . . 9
Figure 12. Flexiwatt27 mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
DocID14257 Rev 5 5/13
TDA7388A Pin connection and test/application diagrams Pin connection and test/application diagrams
Figure 1. Pin connections (top view)
Figure 2. Standard test and application circuit
Electrical specifications TDA7388A
6/13 DocID14257 Rev 5
2 Electrical specifications
2.1 Absolute maximum ratings

2.2 Thermal data

2.3 Electrical characteristics
VS = 14.4 V; f = 1 kHz; Rg = 600 ; RL = 4 ; Tamb = 25 °C; Refer to the test and application
diagram (Figure 2), unless otherwise specified.

Table 2. Absolute maximum ratings
Table 3. Thermal data
Table 4. Electrical characteristics
DocID14257 Rev 5 7/13
TDA7388A Electrical specifications Saturated square wave output.
Table 4. Electrical characteristics (continued)