Datasheet TDA7294 (STMicroelectronics) - 18
| Manufacturer | STMicroelectronics |
| Description | 100 V, 100 W DMOS audio amplifier with mute/st-by |
| Pages / Page | 31 / 18 — TDA7294. Application information. Figure 20. High efficiency application … |
| File Format / Size | PDF / 1.2 Mb |
| Document Language | English |
TDA7294. Application information. Figure 20. High efficiency application circuit
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Text Version of Document
TDA7294 Application information Figure 20. High efficiency application circuit
+40V T3 BC394 T1 R4 R5 BDX53A 270 270 D1 BYW98100 T4 T5 +20V 270 BC393 BC393 L1 1µH D3 1N4148 R6 20K C11 330nF Z1 3.9V 7 13 C1 C3 C5 C7 C9 IN 3 C11 22µF R3 680 1000µF 100nF 1000µF 100nF 330nF R16 2 R7 C16 13K 3.3K 1.8nF R1 R16 L3 5µH 2 4 TDA7294 13K PLAY C13 10µF 14 OUT GND 270 C15 9 22µF ST-BY R13 20K 6 R8 C17 R2 R14 30K 3.3K 1.8nF D5 2 R15 10K 1 1N4148 8 15 C2 C4 C6 C8 C10 10 Z2 3.9V 1000µF 100nF 1000µF 100nF 330nF C14 10µF L2 1µH D4 1N4148 T7 T8 D2 BYW98100 BC394 BC394 270 -20V T2 R9 R10 R11 BDX54A T6 270 270 29K BC393 -40V
Figure 21. P.C.B. and components layout of the circuit of figure 18 (1:1 scale) DS0013
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Rev 8 page 18/31
Document Outline Features Description 1 Typical application 2 Pin connection 3 Block diagram 4 Maximum ratings 5 Electrical characteristics 6 PCB and components 7 Application suggestion 8 Typical characteristics 9 Introduction 9.1 Output stage 9.2 Protections 9.3 Other features 10 Application information 11 Bridge application 12 Package information 12.1 Multiwatt15 V package information 12.2 Multiwatt15 H package information Revision history
+40V T3 BC394 T1 R4 R5 BDX53A 270 270 D1 BYW98100 T4 T5 +20V 270 BC393 BC393 L1 1µH D3 1N4148 R6 20K C11 330nF Z1 3.9V 7 13 C1 C3 C5 C7 C9 IN 3 C11 22µF R3 680 1000µF 100nF 1000µF 100nF 330nF R16 2 R7 C16 13K 3.3K 1.8nF R1 R16 L3 5µH 2 4 TDA7294 13K PLAY C13 10µF 14 OUT GND 270 C15 9 22µF ST-BY R13 20K 6 R8 C17 R2 R14 30K 3.3K 1.8nF D5 2 R15 10K 1 1N4148 8 15 C2 C4 C6 C8 C10 10 Z2 3.9V 1000µF 100nF 1000µF 100nF 330nF C14 10µF L2 1µH D4 1N4148 T7 T8 D2 BYW98100 BC394 BC394 270 -20V T2 R9 R10 R11 BDX54A T6 270 270 29K BC393 -40V
Figure 21. P.C.B. and components layout of the circuit of figure 18 (1:1 scale) DS0013
-
Rev 8 page 18/31
Document Outline Features Description 1 Typical application 2 Pin connection 3 Block diagram 4 Maximum ratings 5 Electrical characteristics 6 PCB and components 7 Application suggestion 8 Typical characteristics 9 Introduction 9.1 Output stage 9.2 Protections 9.3 Other features 10 Application information 11 Bridge application 12 Package information 12.1 Multiwatt15 V package information 12.2 Multiwatt15 H package information Revision history
