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TDA7492 データシート(PDF) 2 Page - STMicroelectronics

部品番号 TDA7492
部品情報  50 W 50 W dual BTL class-D audio amplifier
Download  32 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7492 データシート(HTML) 2 Page - STMicroelectronics

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Contents
TDA7492
2/32
Doc ID 14926 Rev 5
Contents
1
Device block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1
Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2
Pin list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1
Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.2
Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.3
Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4
Characterization curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.1
Characterizations for 6-
Ω loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.2
Characterizations for 8-
Ω loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.3
Characterizations for 4-
Ω loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.4
Test board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
5
Applications circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
6
Applications information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.1
Mode selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.2
Gain setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.3
Input resistance and capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.4
Internal and external clocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.4.1
Master mode (internal clock) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.4.2
Slave mode (external clock) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6.5
Output low-pass filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
6.6
Protection functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.7
Diagnostic output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.8
Heatsink requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7
Package mechanical data
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29


同様の部品番号 - TDA7492

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同様の説明 - TDA7492

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