TAS2120 datasheet(52/63 Pages) TI

Part #	TAS2120

Description	TAS2120 8.2W Mono Digital Input Class-D Speaker Amp with Integrated 14.75V Class- H Boost

PDF	63 Pages

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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52 / 63 page

8 Power Supply Recommendations

TAS2120 supports supply voltages to ramp up/down in any order of sequence for the externally supplied

voltages on VDD, IOVDD, VBAT and PVDD(for external PVDD mode).

SDZ pin must be held low when supplies are not in stable operating condition. Once all the supplies are stable,

SDZ pin can be asserted high for device to start operating. SDZ pin must be pulled low before any supply is

ramped down below its recommended operating voltage.

If using the device in external PVDD mode, the SW pad must be kept floating.

Once all the supplies are valid and SDZ pin is released to high, the digital core voltage regulator powers up,

and starts the internal initialization sequence. After a hardware or software reset, additional i2c commands to the

device should be delayed by at-least 300us to allow the device internal blocks to be initialized.

TAS2120

SLASFC6 – AUGUST 2024

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TAS2120 Datasheet(PDF) 52 Page - Texas Instruments