TDA7388 STMicroelectronics, TDA7388 Datasheet

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TDA7388

Manufacturer Part Number
TDA7388
Description
IC AMP AUDIO QUAD 41W FLEXIWATT2
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet

Specifications of TDA7388

Output Type
4-Channel (Quad)
Max Output Power X Channels @ Load
41W x 4 @ 4 Ohm
Voltage - Supply
8 V ~ 18 V
Features
Mute, Short-Circuit and Thermal Protection, Standby
Mounting Type
Through Hole
Package / Case
25-Flexiwatt (bent and staggered leads)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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Features
Protections:
Table 1.
July 2010
High output power capability:
– 4 x 41 W / 4 Ω max.
– 4 x 26 W / 4 Ω @ 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
Output short circuit to gnd, to V
load
Very inductive loads
Overrating chip temperature with soft thermal
limiter
Load dump voltage
Fortuitous open GND
Reversed battery
ESD
Order code
Device summary
TDA7388
S
, across the
4 x 41 W quad bridge car radio amplifier
Doc ID 14256 Rev 2
Flexiwatt25
Package
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.
Flexiwatt25
Packing
Tube
TDA7388
www.st.com
1/11
1

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TDA7388 Summary of contents

Page 1

... The TDA7388 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. ...

Page 2

... Pin connection and test/application diagrams . . . . . . . . . . . . . . . . . . . . 5 2 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 Application hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.1 SVR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.2 Input stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 3.3 Standby and muting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2/11 Doc ID 14256 Rev 2 TDA7388 ...

Page 3

... TDA7388 List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Table 2. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Table 3. Thermal data Table 4. Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Table 5. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Doc ID 14256 Rev 2 List of tables 3/11 ...

Page 4

... List of figures List of figures Figure 1. Pin connection (top view Figure 2. Standard test and application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 3. Flexiwatt25 mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 4/11 Doc ID 14256 Rev 2 TDA7388 ...

Page 5

... TDA7388 1 Pin connection and test/application diagrams Figure 1. Pin connection (top view) 1 Figure 2. Standard test and application circuit ST-BY MUTE IN1 0.1μF IN2 C2 0.1μF IN3 C3 0.1μF IN4 C4 0.1μF Pin connection and test/application diagrams C8 C7 0.1μF 470μF ...

Page 6

... °C; Refer to the test and application g L amb Test condition = ∞ Play mode ITU R-ARM weighted - THD = 14 14 "A" Weighted kHz Doc ID 14256 Rev 2 TDA7388 Value Unit 4 °C 150 °C – 150 Value Unit max. 1 °C/W Min. ...

Page 7

... TDA7388 Table 4. Electrical characteristics (continued) Symbol Parameter SVR Supply voltage rejection f High cut-off frequency ch R Input Impedance i C Cross talk T Standby current I SB consumption Standby OUT threshold V SB out voltage Standby IN threshold voltage A Mute attenuation M V Mute OUT threshold voltage (Amp: play) ...

Page 8

... To conveniently serve both needs, its minimum recommended value is 10 µF. 3.2 Input stage The TDA7388’s inputs are ground-compatible and can stand very high input signals (±8 Vpk) without any performances degradation. If the standard value for the input capacitors (0.1 µF) is adopted, the low frequency cut-off amounts ...

Page 9

... TDA7388 4 Package information In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ECOPACK trademark. Figure 3. Flexiwatt25 mechanical data and package dimensions DIM. ...

Page 10

... Revision history 5 Revision history Table 5. Document revision history Date 06-Dec-2007 12-Jul-2010 10/11 Revision 1 Initial release. 2 Document status promoted from preliminary data to datasheet. Doc ID 14256 Rev 2 TDA7388 Changes ...

Page 11

... TDA7388 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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