tda8933t-n1 NXP Semiconductors, tda8933t-n1 Datasheet - Page 13
tda8933t-n1
Manufacturer Part Number
tda8933t-n1
Description
Tda8933 Class-d Audio Amplifier
Manufacturer
NXP Semiconductors
Datasheet
1.TDA8933T-N1.pdf
(47 pages)
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NXP Semiconductors
TDA8933_1
Preliminary data sheet
8.7 Output voltage buffers
When pin POWERUP is set HIGH, the half supply output voltage buffers are switched on
in asymmetrical supply configuration. The start-up will be pop free because the device
starts switching when the capacitor on pin HVPREF and the SE capacitors are completely
charged.
Output voltage buffers:
•
•
•
Pins HVP1 and HVP2: The time required for charging the SE capacitor depends on its
value. The half supply voltage output is disabled when the TDA8933 is used in a
symmetrical supply application.
Pin HVPREF: This output voltage reference buffer charges the capacitor on pin
HVPREF.
Pin INREF: This output voltage reference buffer charges the input reference capacitor
on pin INREF. Pin INREF applies the bias voltage for the inputs.
Rev. 01 — 15 May 2007
Class-D audio amplifier
TDA8933
© NXP B.V. 2007. All rights reserved.
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