TFA9841J datasheet(3/17 Pages) PHILIPS

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Philips Semiconductors

TFA9841J

1-channel audio ampliﬁer (1 x SE)

Preliminary data

Rev. 01 — 06 February 2004

3 of 17

9397 750 12014

Pinning information

7.1 Pinning

7.2 Pin description

Functional description

8.1 Input conﬁguration

The input cut-off frequency is:

(1)

SE application: Ri =60kΩ and Ci = 220 nF:

(2)

Fig 2.

Pin conﬁguration.

TFA9841J

MDB796

IN1

−

OUT1

−

CIV

n.c.

GND

SVR

MODE

n.c.

VCC

Table 3:

Pin description

Symbol

Description

IN1

−

input 1

OUT1

−

inverted loudspeaker terminal 1

CIV

common input voltage decoupling

n.c.

not connected

GND

ground

SVR

half supply voltage decoupling (ripple rejection)

MODE

mode selection input (standby, mute and operating)

n.c.

not connected

VCC

supply voltage

TAB

back side tab or heats spreader has to be connected to ground

i cut

off

–

()

π R

()

-----------------------------

i cut

off

–

()

π 60 10

220

–

()

-----------------------------------------------------------------

12 Hz

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