TDA1561 datasheet(2/24 Pages) PHILIPS

2 / 24 page

1997 Aug 14

Philips Semiconductors

Preliminary speciﬁcation

× 23 W high efﬁciency car radio power

ampliﬁer

TDA1561Q

FEATURES

• Low dissipation due to switching from Single-Ended

(SE) to Bridge-Tied Load (BTL) mode

• High Common Mode Rejection Ratio (CMRR)

• Mute/standby/operating/SE-only (mode select pin)

• Zero crossing mute and standby circuit

• Load dump protection circuit

• Short-circuit safe to ground, to supply voltage and

across load

• Loudspeaker protection circuit

• Device switches to single-ended operation at excessive

junction temperatures.

GENERAL DESCRIPTION

The TDA1561Q is a monolithic power amplifier in a 13 lead

single-in-line (SIL) plastic power package. It contains two

identical 23 W amplifiers. The dissipation is minimized by

switching from SE to BTL mode, only when a higher output

voltage swing is needed. The device is primarily

developed for car radio applications.

QUICK REFERENCE DATA

ORDERING INFORMATION

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

supply voltage

DC biased

6.0

14.4

non operating

−−

load dump

−−

IORM

repetitive peak output current

−−

Iq(tot)

total quiescent current

RL = ∞−

150

Istb

standby current

−

150

µA

Zi

input impedance

−

Ω

output power

RL = 4

Ω; EIAJ

−

THD 10%

−

voltage gain

CMRR

common mode rejection ratio

f = 1 kHz; Rs =0 Ω−

−

SVRR

supply voltage ripple rejection

f = 1 kHz; Rs =0 Ω

−

∆V

O

DC output offset voltage

−−

150

αcs

channel separation

Rs =0kΩ

−

∆G

v

channel unbalance

−−

1dB

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA1561Q

DBS13P

plastic DIL-bent-SIL power package; 13 leads (lead length 12 mm)

SOT141-6

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