TFA9881_1104 datasheet(3/32 Pages) PHILIPS

Part #	TFA9881_1104

Description	3.4 W PDM input class-D audio amplifier

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Manufacturer	PHILIPS [NXP Semiconductors]

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TFA9881

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Product data sheet

Rev. 2 — 1 April 2011

3 of 32

NXP Semiconductors

TFA9881

3.4 W PDM input class-D audio amplifier

5.

Ordering information

6.

Block diagram

Table 2.

Ordering information

Type number

Package

Name

Description

Version

TFA9881UK

WLCSP9

wafer level chip-size package; 9 bumps; 1.3 x 1.3 x 0.6 mm

TFA9881UK

Fig 1.

Block diagram

010aaa698

OUTA

OUTB

POWER DOWN

CONTROL

H-BRIDGE

PWM

C3

A3

HP

FILTER

PDM

RECEIVER

DATA

CLK

A1

C1

A2

LRSEL

SILENCE

PATTERN

DECODER

VDDD

TEST

VDDP

TFA9881

PROTECTION

CIRCUITS:

OTP

OVP

UVP

OCP

GND

B1

C2

B2

B3

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