參數(shù)資料
型號(hào): TDA7389
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 28 W, 4 CHANNEL, AUDIO AMPLIFIER, ZFM25
封裝: ROHS COMPLIANT, FLEXIWATT-25
文件頁數(shù): 1/14頁
文件大小: 190K
代理商: TDA7389
October 2008
Rev 2
1
TDA7389
4 x 45W quad bridge car radio amplifier
Features
High output power:
– 4 x 45 W / 4
Ω max.
– 4 x 28 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
Clipping detector
Diagnostic facility for:
– Out to GND short
– Out to VS short
– Thermal shutdown
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 TDA7389 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 TDA7389 allows a rail to rail
output voltage swing with no need of bootstrap
capacitors.
Flexiwatt 25
Table 1.
Device summary
Order code
Package
Packing
TDA7389
Flexiwatt 25
Tube
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