TDF8599TH datasheet(14/52 Pages) NXP

No de pièce	TDF8599TH

Description	I2C-bus controlled dual channel 43 W/2 W single channel 85 W/1 W class-D power amplifier with load diagnostics

PDF	52 Pages

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Fabricant	NXP [NXP Semiconductors]

Site Internet	http://www.nxp.com

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14 / 52 page

TDF8599_1

Product data sheet

Rev. 01 — 13 November 2008

14 of 52

NXP Semiconductors

TDF8599

Class-D power ampliﬁer with load diagnostics

8.4.3 Parallel mode

In Parallel mode; the two output stages operate in parallel to enlarge the drive capability.

The inputs and outputs for Parallel mode must be connected on the Printed-Circuit Board

(PCB) as shown in Figure 14. The parallel connection can be made after the output ﬁlter,

as shown in Figure 14 or directly to the device output pins.

In Parallel mode, the channel 1 I2C-bus bits can be programmed using the I2C-bus.

However, clip detection must be deactivated by disabling clip detection for both channel 1

and channel 2.

Fig 13. Master and slave operation with 1

⁄2 π phase shift.

001aai783

OUT1P

phase

1/2

3/2

OUT1N

OUT2P

OUT2N

OUT1P

OUT1N

OUT2P

master

slave

OUT2N

Fig 14. Mono and Parallel modes

001aai784

IN1P

MOD

RMOD

IN2N

IN1N

OUT1N

OUT2N

OUT1P

OUT2P

−

IN2P

TDF8599

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