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TDA7491HV fiches techniques PDF

STMicroelectronics - dual BTL class-D audio amplifier

Numéro de référence TDA7491HV
Description dual BTL class-D audio amplifier
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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TDA7491HV fiche technique
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TDA7491HV
20 W + 20 W dual BTL class-D audio amplifier
Features
! 20 W + 20 W continuous output power:
RL = 8 , THD = 10% at VCC = 18 V
! Wide range single supply operation (5 V - 19 V)
! High efficiency (η = 90%)
! Four selectable, fixed gain settings of 20 dB,
26 dB, 30 dB and 32 dB
! Differential inputs minimize common-mode
noise
! Filterless operation
! No ‘pop’ at turn-on/off
! Standby and mute features
! Short circuit protection
! Thermal overload protection
! Externally synchronizable
PowerSSO-36 with
exposed pad (or slug) down
Description
The TDA7491HV is a dual BTL class-D audio
amplifier with single power supply designed for
LCD TVs and monitors.
Thanks to the high efficiency and slug-down
package no heatsink is required.
Furthermore, the filterless operation allows a
reduction in the external component count.
The TDA7491HV is pin to pin compatible with the
TDA7491P and TDA7491LP.
Table 1. Device summary
Order code
Operating Temp. range
Package
Packing
TDA7491HV
0° to 70° C
PowerSSO-36 (slug down) Tube
TDA7491HV13TR
0° to 70° C
PowerSSO-36 (slug down) Tape and reel
December 2007
Rev 1
1/26
www.st.com
26

PagesPages 26
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