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SA58672

Description
3.0 W mono class-D audio amplifier
File Size164KB,27 Pages
ManufacturerPhilips Semiconductors (NXP Semiconductors N.V.)
Websitehttps://www.nxp.com/
Download Datasheet View All

SA58672 Overview

3.0 W mono class-D audio amplifier

SA58672
3.0 W mono class-D audio amplifier
Rev. 02 — 23 February 2009
Product data sheet
1. General description
The SA58672 is a mono, filter-free class-D audio amplifier which is available in a 9 bump
WLCSP (Wafer Level Chip-Size Package) and 10-terminal HVSON packages.
The SA58672 features shutdown control. Improved immunity to noise and RF rectification
is increased by high PSRR and differential circuit topology. Fast start-up time and very
small WLCSP package makes it an ideal choice for bot cellular handsets and PDAs.
The SA58672 delivers 1.7 W at 5 V and 800 mW at 3.6 V into 8
Ω.
It delivers 3.0 W at 5 V
and 1.6 W at 3.6 V into 4
Ω.
The maximum power efficiency is excellent at 90 % into 8
and 84 % to 88 % into 4
Ω.
The SA58672 provides thermal and short-circuit shutdown
protection.
2. Features
I
Output power
N
3.0 W into 4
at 5 V
N
1.6 W into 4
at 3.6 V
N
1.7 W into 8
at 5 V
N
800 mW into 8
at 3.6 V
I
Power supply range: 2.0 V to 5.5 V
I
Shutdown control
I
High SVRR:
−77
dB at 217 Hz
I
Fast start-up time: 7.0 ms
I
Low supply current
I
Low shutdown current
I
Short-circuit and thermal protection
I
Space savings with 1.66 mm
×
1.71 mm
×
0.6 mm 9 bump WLCSP package
I
Low junction to ambient thermal resistance of 100 K/W with adequate heat sinking of
WLCSP
I
Enhanced power dissipation with 3.0 mm
×
3.0 mm
×
0.85 mm HVSON10 package
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