TDF8551J - I2C-bus controlled 4 x 45W power amplifier

NXP Semiconductors

TDF8551J Datasheet Preview — Preview of TDF8551J PDF

Datasheet Details

Part number	TDF8551J
Manufacturer	NXP ↗ Semiconductors
File Size	373.13 KB
Description	I2C-bus controlled 4 x 45W power amplifier
Datasheet	TDF8551J-NXPSemiconductors.pdf

TDF8551J Product details

Description

1.1 Ampliﬁers The TDF8551J has a complementary quad audio power ampliﬁer that uses BCDMOS technology.It contains four ampliﬁers conﬁgured in Bridge-Tied Load (BTL) to drive four speakers: two front and two rear channels.The I2C-bus enables diagnostic information of each ampliﬁer and its speaker to be read separately.Both front and both rear channel ampliﬁers can be conﬁgured independently in line driver mode with a gain of 20 dB (differential output) or ampliﬁer mode with a gain of 26 dB (BTL

Features

I Ampliﬁers N I2C-bus control N Can drive a 2 Ω load with a battery voltage of up to 16 V and a 4 Ω load with a battery voltage of up to 18 V N DC load detection: open, short and present N AC load (tweeter) detection N Programmable clip detect; 1 % or 3 % N Programmable thermal protection pre-warning N Independent short-circuit protection for each channel N Selectable line driver (20 dB) and ampliﬁer mode (26 dB) N Loss-of-ground and open VP safe N All outputs protected from short-circuit to gro.

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Published: Feb 24, 2015 |