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NXP Semiconductors - single channel 92 W/1 amplifer

Numéro de référence TDA1566
Description single channel 92 W/1 amplifer
Fabricant NXP Semiconductors 
Logo NXP Semiconductors 





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TDA1566 fiche technique
TDA1566
www.DataSheet4U.com
I2C-bus controlled dual channel 46 W/2 , single channel
92 W/1 amplifier with load diagnostic features
Rev. 01 — 5 April 2006
Product data sheet
1. General description
The TDA1566 is a car audio power amplifier with a complementary output stage realized
in BCDMOS technology. 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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