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TDA1566 PDF预览

TDA1566

更新时间: 2024-11-26 08:50:55
品牌 Logo 应用领域
恩智浦 - NXP 放大器
页数 文件大小 规格书
46页 289K
描述
I2C-bus controlled dual channel 46 W/2 OHM, single channel 92 W/1 OHM amplifier

TDA1566 数据手册

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TDA1566  
I2C-bus controlled dual channel 46 W/2 , single channel  
92 W/1 amplifier with load diagnostic features  
Rev. 02 — 20 August 2007  
Product data sheet  
1. General description  
The TDA1566 is a car audio power amplifier with a complementary output stage realized  
in BCDMOS. The TDA1566 has two Bridge Tied Load (BTL) output stages and comes in a  
HSOP24 or DBS27P package.  
The TDA1566 can be controlled with or without I2C-bus. With I2C-bus control gain settings  
per channel and diagnostic trigger levels can be selected. Failure conditions as well as  
load identification can be read with I2C-bus. The load identification detects whether the  
outputs of a BTL channel are connected with a DC or AC load and discriminates between  
a speaker load, a line driver load and an open (unconnected) load.  
The TDA1566 can be configured in a single BTL mode and drive a 1 load. For the single  
BTL mode it is necessary to connect on the Printed-Circuit Board (PCB) the outputs of  
both BTL channels in parallel.  
2. Features  
I Operates in I2C-bus mode and non-I2C-bus mode  
I TH version: four I2C-bus addresses controlled by two pins; J version: two I2C-bus  
addresses controlled by one pin  
I Two 4 or 2 capable BTL channels or one 1 capable BTL channel  
I Low offset  
I Pop free off/standby/mute/operating mode transitions  
I Speaker fault detection  
I Selectable gain (26 dB and 16 dB)  
I In I2C-bus mode:  
N DC load detection: open, short and speaker or line driver present  
N AC load (tweeter) detection  
N Programmable trigger levels for DC and AC load detection  
N Per channel programmable gain (26 dB and 16 dB, selectable per channel)  
N Selectable diagnostic levels for clip detection and thermal pre-warning  
N Selectable information on the DIAG pin for clip information of each channel  
separately and independent enabling of thermal-, offset- or load fault  
I Independent short-circuit protection per channel  
I Loss of ground and open VP safe  
I All outputs short-circuit proof to VP, GND and across the load  
I All pins short-circuit proof to ground  
I Temperature controlled gain reduction at high junction temperatures  

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