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Partno	Mfg	Dc	Qty	Available	Descript
TDA7388	ST ?	N/a	5021	avai	Quad BTL output power amplifier with stand-by and mute

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TDA7388
Quad BTL output power amplifier with stand-by and mute
September 2013 DocID14256 Rev 6 1/13
TDA7388
4 x 45 W quad bridge car radio amplifier
Datasheet - production data
Features High output power capability: 4 x 45 W / 4  max. 4 x 26 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
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 Reversed battery ESD
Description
The TDA7388 is an AB class audio power
amplifier, packaged in Flexiwatt 25 and designed
for high end car radio applications.
Based on a fully complementary PNP/NPN
configuration, the TDA7388 allows a rail to rail
output voltage swing with no need of bootstrap
capacitors. The extremely reduced boundary
components count allows very compact sets.

Table 1. Device summary
Contents TDA7388
2/13 DocID14256 Rev 6
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
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
DocID14256 Rev 6 3/13
TDA7388 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Table 5. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
List of figures TDA7388
4/13 DocID14256 Rev 6
List of figures
Figure 1. Pin connection (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 (4 Ohm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 6. Distortion vs. frequency (4 Ohm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 7. Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 8. Crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 9. Output noise vs. source resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 10. Total power disipation & efficiency (4 Ohm, sine). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 11. Power dissipation vs. average output power (4 Ohm, audio program simulation) . . . . . . . . 9
Figure 12. ITU R-ARM frequency response, weighting filter for transient pop. . . . . . . . . . . . . . . . . . . . 9
Figure 13. Flexiwatt25 mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
DocID14256 Rev 6 5/13
TDA7388 Pin connection and test/application diagrams Pin connection and test/application diagrams
Figure 1. Pin connection (top view)
Figure 2. Standard test and application circuit
Electrical specifications TDA7388
6/13 DocID14256 Rev 6
2 Electrical specifications
2.1 Absolute maximum ratings

2.2 Thermal data

Table 2. Absolute maximum ratings
Table 3. Thermal data
DocID14256 Rev 6 7/13
TDA7388 Electrical specifications
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 4. Electrical characteristics Saturated square wave output.