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參數(shù)資料
| 型號(hào)： | TDA7381 |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 18 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
| 封裝： | FLEXIWATT-25 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 225K |
| 代理商： | TDA7381 |
June 2008
Rev 6
1/13
13
TDA7381
4 x 25W quad bridge car radio amplifier
Features
■ High output power capability:
–4 x 30 W/4
Ω max.
–4 x 25 W/4
Ω EIAJ
–4 x 18 W/4
Ω @ 14.4 V, 1 kHz, 10 %
–4 x 15 W/4
Ω @ 13.2 V, 1 kHz, 10 %
■ Clipping detector
■ Low distortion
■ Low output noise
■ St-by function
■ Mute function
■ Automute at min. supply voltage detection
■ Diagnostics facility for:
– Clipping
– Out to GND short
– Out to VS short
– Thermal shutdown
■ 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 protection
Description
The TDA7381 is a class AB audio power amplifier
in Flexiwatt25 package designed for car radio
applications. Thanks to the fully complementary
PNP/NPN output configuration the TDA7381
allows a rail to rail output voltage swing with no
need of bootstrap capacitors..
The extremely reduced components count allows
very compact sets. The on-board clipping
detector simplifies gain compression operations.
The fault diagnostics makes it possible to detect
mistakes during Car- Radio assembly and wiring
in the car
Flexiwatt25
Table 1.
Device summary
Order code
Package
Packing
TDA7381
Flexiwatt25
Tube
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| TDA7383 | 22 W, 4 CHANNEL, AUDIO AMPLIFIER, PZFM25 |
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| TDA7385 | 35 W, 4 CHANNEL, AUDIO AMPLIFIER, PZIP25 |
| TDA7388A | 27 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM27 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA7381_08 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 x 25W quad bridge car radio amplifier |
| TDA7382 | 功能描述:音頻放大器 4X22W Quad Brdg Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7382音頻功率放大器 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| TDA7383 | 功能描述:音頻放大器 4X30W Quad Brdg Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA7384 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:4 x 35W QUAD BRIDGE CAR RADIO AMPLIFIER |
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