TDA1564TH datasheet(2/30 Pages) PHILIPS

2 / 30 page

2004 Jan 27

Philips Semiconductors

Preliminary speciﬁcation

High efﬁciency 2

× 25 W/4 Ω

stereo car radio power ampliﬁer

TDA1564

FEATURES

• Low dissipation due to switching from Single-Ended

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

• Differential inputs with high Common Mode Rejection

Ratio (CMRR)

• Mute/standby/operating (mode select pin)

• Load dump protection circuit

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

across load

• Loudspeaker protection circuit

• Offset detection for each channel

• Device switches to single-ended operation at excessive

junction temperatures

• Thermal protection at high junction temperature (170°C)

• Clip detection at THD = 2.5 %

• Diagnostic information

(clip/protection/prewarning/offset).

GENERAL DESCRIPTION

The TDA1564 is a monolithic power amplifier in a 17-lead

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

identical 25 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

120

150

Ω

output power

RL =4 Ω; EIAJ

−

RL =4 Ω; THD = 10 %

−

RL =4 Ω; THD = 2.5 %

−

voltage gain

Po = 1 W

252627dB

CMRR

common mode rejection ratio

f = 1 kHz; Rs =0 Ω−

−

SVRR

supply voltage ripple rejection

f = 1 kHz; Rs =0 Ω

−

∆VO

DC output offset voltage

−−

100

αcs

channel separation

Rs =0 Ω; Po = 15 W

−

∆Gv

channel unbalance

−−

1dB

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA1564TH

HSOP20

plastic, heatsink small outline package; 20 leads; low stand-off height

SOT418-3

TDA1564J

DBS17P

plastic DIL-bent-SIL power package; 17 leads (lead length 12 mm)

SOT243-1

TDA1564TH Datasheet(PDF) 2 Page - NXP Semiconductors

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