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TDA8922C_15

Description
2X75 W class-D power amplifier
File Size208KB,40 Pages
ManufacturerPhilips Semiconductors (NXP Semiconductors N.V.)
Websitehttps://www.nxp.com/
Download Datasheet View All

TDA8922C_15 Overview

2X75 W class-D power amplifier

TDA8922C
2
×
75 W class-D power amplifier
Rev. 01 — 7 September 2009
Product data sheet
1. General description
The TDA8922C is a high-efficiency Class D audio power amplifier. Typical output power is
2
×
75 W with a speaker load impedance of 6
Ω.
The TDA8922C is available in both HSOP24 and DBS23P power packages. The amplifier
operates over a wide supply voltage range from
±12.5
V to
±32.5
V and features low
quiescent current consumption.
2. Features
I
Pin compatible with TDA8950/20C for both HSOP24 and DBS23P packages
I
Symmetrical operating supply voltage range from
±12.5
V to
±32.5
V
I
Stereo full differential inputs, can be used as stereo Single-Ended (SE) or mono
Bridge-Tied Load (BTL) amplifier
I
High output power in typical applications:
N
SE 2
×
75 W, R
L
= 6
(V
DD
= 30 V; V
SS
=
−30
V)
N
SE 2
×
60 W, R
L
= 8
(V
DD
= 30 V; V
SS
=
−30
V)
N
BTL 1
×
155 W, R
L
= 8
(V
DD
= 25 V; V
SS
=
−25
V)
I
Low noise
I
Smooth pop noise-free start-up and switch off
I
Zero dead time switching
I
Fixed frequency
I
Internal or external clock
I
High efficiency
I
Low quiescent current
I
Advanced protection strategy: voltage protection and output current limiting
I
Thermal FoldBack (TFB)
I
Fixed gain of 30 dB in SE and 36 dB in BTL applications
I
Fully short-circuit proof across load
I
BD modulation in BTL configuration
3. Applications
I
I
I
I
DVD
Mini and micro receiver
Home Theater In A Box (HTIAB) system
High-power speaker system
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