1998 Feb 25

Philips Semiconductors

Preliminary specification

Multi-purpose power amplifier

TDA8580

FEATURES

General

Operating voltage from 8 to 28 V

Low distortion

Few external components, fixed gain

High output power

Can be used as a stereo amplifier in bridge-tied load
(BTL) or quad single-ended (SE) amplifiers

Single-ended mode without loudspeaker capacitor

Mute and standby mode with one- or two-pin operation

Diagnostic information for Dynamic Distortion Detector
(DDD), high temperature (145

C) and short-circuit

No switch on/off plops when switching between
`standby' to `mute' and from `mute' to `on'

Low offset variation at outputs between `mute' and `on'

Fast mute on supply voltage drops.

Protection

Reverse polarity safe

Short-circuit proof to ground, positive supply voltage on
all pins and across load

ESD protected on all pins

Thermal protection against temperatures exceeding
150

Load dump protection

Protected against open-circuit ground pins and output
short-circuited to supply ground.

GENERAL DESCRIPTION

The TDA8580 is a stereo bridge-tied load (BTL) or a quad
single-ended amplifier that operates over a wide supply
voltage range from 8 to 28 V. This makes it suitable for
many applications, such as car radios, television and
home-sound systems.

Because of an internal voltage buffer, this device can be
used without a capacitor connected in series with the load
(SE application). A combined BTL and 2

SE application

can also be configured.

ORDERING INFORMATION

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA8580

DBS17P

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

SOT243-1

1998 Feb 25

Philips Semiconductors

Preliminary specification

Multi-purpose power amplifier

TDA8580

QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

operating supply voltage

8.0

q(tot)

total quiescent current

= 14.4 V

120

140

stb

standby supply current

= 14.4 V

voltage gain

single-ended

bridge-tied load

Bridge-tied load application

output power

THD = 0.5%; V

= 14.4 V;

= 4

THD = 0.5%; V

= 24 V;

= 8

THD

total harmonic distortion

= 1 kHz; P

= 1 W;

= 14.4 V; R

= 4

0.05

= 1 kHz; P

= 10 W;

= 24 V; R

= 8

0.05

offset(DC)

DC output offset voltage

= 14.4 V; `mute'

condition; R

= 4

= 14.4 V; `on' condition

100

noise output voltage

= 1 k

;

= 14.4 V

100

150

SVRR

supply voltage ripple rejection

= 1 kHz; V

ripple(p-p)

= 2 V;

`on' or `mute' condition;
R

= 0

Single-ended application

output power

THD = 0.5%; V

= 14.4 V;

= 4

4.2

THD = 0.5%; V

= 24 V;

= 4

offset(DC)

DC output offset voltage

= 14.4 V; `mute'

condition; R

= 4

= 14.4 V; `on' condition

100

noise output voltage

= 1 k

; V

= 14.4 V

120

SVRR

supply voltage ripple rejection

= 1 kHz; V

ripple(p-p)

= 2 V;

`on' or `mute' condition;
R

= 0

1998 Feb 25

Philips Semiconductors

Preliminary specification

Multi-purpose power amplifier

TDA8580

FUNCTIONAL DESCRIPTION

The TDA8580 is a multi-purpose power amplifier with four
amplifiers which can be connected in the following
configurations with high output power and low distortion (at
minimum quiescent current);

Dual bridge-tied load (BTL) amplifiers

Quad single-ended amplifiers

Dual single-ended amplifiers and one bridge-tied load
amplifier.

The amplifier can be switched on (play or `mute') and off
(`standby') by the MUTE and STANDBY pins (for
interfacing directly with a microcontroller). One-pin
operation is also possible by applying a voltage greater
than 8 V to the `standby'/'mute'/'on' selection pin (pin 5) to
switch the amplifier in `on' mode.

Special attention is given to the dynamic behaviour as
follows:

Noise suppression during engine start.

No plops when switching from `standby' to `on'.

Slow offset change between `mute' and `on' (controlled
by MUTE and STANDBY pins).

Low noise levels, which are independent of the supply
voltage.

Protections are included to avoid the IC being damaged at:

Over temperature: T > 150

Short-circuit of the output pin(s) to ground or supply rail.
When short-circuited, the power dissipation is limited.

A missing-current limiter which limits the maximum short
circuit output current to PGND or V

pins to 1 A.

The dissipation and speaker current will be minimized
because the short-circuited amplifier is switched off. The
chip temperature is limited by the temperature
protection.

ESD protection (Human Body Model 3000 V, Machine
Model 300 V).

Energy handling. A DC voltage of 6 V can be connected
to the output of any amplifier while the supply pins are
short-circuited to ground. No high DC current will flow
from the supply pins of the amplifier.

Diagnostics are available for the following conditions
(see Figs 4 to 7).

Amplifier in `mute'

Chip temperature greater than 145

Distortion over 2% due to clipping

Short-circuit protection active.

LIMITING VALUES

In accordance with the Absolute Maximum Rating System (IEC 134).

Note

1. The maximum supply voltage under short circuit conditions is 28 V with an additional resistor in the supply line of

tbf

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

supply voltage

operating

load dump protected;
see Fig.3

DIAG

voltage on diagnostic pin

OSM

non-repetitive peak output current

ORM

repetitive peak output current

4.5

rev

reverse polarity voltage

AC and DC short-circuit voltage of output
pins across loads and to ground or supply
pins

no external series
resistor in supply line;
note 1

tot

total power dissipation

junction temperature

150

stg

storage temperature

+150

amb

operating ambient temperature

+150

1998 Feb 25

Philips Semiconductors

Preliminary specification

Multi-purpose power amplifier

TDA8580

THERMAL CHARACTERISTICS

CHARACTERISTICS

= 14.4 V; T

amb

= 25

C; f

= 1 kHz; R

; measured in test circuit of Fig.8; unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

VALUE

UNIT

th j-a

thermal resistance from junction to ambient

in free air

K/W

th j-c

thermal resistance from junction to case

1.5

K/W

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply

operating supply voltage

8.0

14.4

q(tot)

total quiescent current

120

140

stb

standby current

DC output voltage

= 14.4 V

7.0

P(mute)

low supply voltage mute

6.0

7.0

8.0

single-ended and bridge-tied
load output voltage

= 14.4 V; `mute' condition;

= 4

DC input voltage

= 14.4 V

4.0

TANDBY PIN

(see Table 1)

5(stb)

voltage at STANDBY pin for
`standby' condition

0.8

hys(5)(stb)

hysteresis voltage at
STANDBY pin for `standby'
condition

note 1

0.2

5(mute)

voltage at STANDBY pin for
`mute' condition

< 1 V

2.0

5.5

5(on)

voltage at STANDBY pin for
`on' condition

< 1 V; V

> 9 V; note 2

8.0

UTE PIN

(see Table 1)

13(mute)

voltage at MUTE pin for
`mute' condition

= 5 V

1.0

13(on)

voltage at MUTE pin for
`on' condition

= 5 V

3.5

5.5

Diagnostic; output buffer (open-collector); see Figs 4, 5, 6 and 7

low level output voltage

sink

= 1 mA

0.2

0.8

leakage current

DIAG

= 14.4 V

clip detector

DIAG

< 0.8 V

tbf

j(diag)

junction temperature for high
temperature warning

DIAG

< 0.8 V

145

1998 Feb 25

Philips Semiconductors

Preliminary specification

Multi-purpose power amplifier

TDA8580

Stereo BTL application (see Fig.8)

THD

total harmonic distortion

= 1 kHz; P

= 1 W; R

= 4

0.05

0.1

= 10 kHz; P

= 1 W;

= 4

;

Filter: 22 Hz < f < 30 kHz

0.2

= 1 kHz; P

= 1 W;

= 14.4 V; R

= 4

0.05

= 1 kHz; P

= 10 W;

= 24 V; R

= 8

0.05

output power

THD = 0.5%; V

= 14.4 V;

= 4

THD = 0.5%; V

= 24 V;

= 8

THD = 10%; V

= 14.4 V;

= 4

THD = 10%; V

= 24 V;

= 8

voltage gain

o(rms)

= 3 V

channel separation

= 2 W; f

= 1 kHz; R

= 4

channel unbalance

offset(DC)

DC output offset voltage

= 14.4 V; `on' condition

100

= 14.4 V; `mute' condition;

= 4

noise output voltage

= 1 k

; V

= 14.4 V; note 3

100

150

no(mute)

noise output voltage mute

note 3

o(mute)

output voltage mute

i(rms)

= 1 V

500

SVRR

supply voltage ripple rejection

= 0

;

= 1 kHz;

ripple(p-p)

= 2 V; `on' or `mute'

condition

input impedance

CMRR

common mode rejection ratio

= 0

; V

i(rms)

= 0.5 V;

= 1 kHz

Quad SE application (see Fig.9)

THD

total harmonic distortion

= 1 kHz; P

= 1 W; R

= 4

0.05

0.1

= 10 kHz; P

= 1 W;

= 4

;

Filter: 22 Hz < f < 30 kHz

0.2

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

1998 Feb 25

Philips Semiconductors

Preliminary specification

Multi-purpose power amplifier

TDA8580

Notes to the characteristics

1. Hysteresis between rise and fall voltage when MSB pin is controlled with real voltage source (the hysteresis depends

on resistor connected to MSB pin).

2. At lower V

the voltage at the STANDBY pin for `on' condition will be adjusted automatically to maintain an

`on' condition at low battery voltage (down to 8 V) when using one-pin operation.

3. The noise output is measured in a bandwidth of 20 Hz to 20 kHz.

Table 1

Selection of `standby', `mute' and `on'.

output power

THD = 0.5%; V

= 14.4 V;

= 4

4.2

THD = 0.5%; V

= 24 V;

= 4

11.5

THD = 10%; V

= 14.4 V;

= 4

5.5

THD = 10%; V

= 24 V;

= 4

voltage gain

o(rms)

= 3 V

channel separation

= 2 W; f

= 1 kHz; R

= 4

channel unbalance

offset(DC)

DC output offset voltage

= 14.4 V; `on' condition

100

= 14.4 V; `mute' condition;

= 4

noise output voltage

= 1 k

; V

= 14.4 V; note 3

120

no(mute)

noise output voltage mute

note 3

o(mute)

output voltage mute

i(rms)

= 1 V

500

SVRR

supply voltage ripple rejection

= 1 kHz; V

ripple(p-p)

= 2 V, `on'

or `mute' condition; R

= 0

input impedance

CMRR

common mode rejection ratio

i(rms)

= 0.5 V; f

= 1 kHz;

= 0

VOLTAGE AT PIN 5

VOLTAGE AT PIN 13

FUNCTION

< 0.8 V

don't care

`standby' (off)

2 V < V

< 5.3 V

< 1 V

`mute' (DC settled)

2 V < V

< 5.3 V

3.5 V < V

< 5.3 V

`on' (AC operating)

8.0 V

don't care

`on' (AC operating)

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

1998 Feb 25

Philips Semiconductors

Preliminary specification

Multi-purpose power amplifier

TDA8580

SOLDERING

Introduction

There is no soldering method that is ideal for all IC
packages. Wave soldering is often preferred when
through-hole and surface mounted components are mixed
on one printed-circuit board. However, wave soldering is
not always suitable for surface mounted ICs, or for
printed-circuits with high population densities. In these
situations reflow soldering is often used.

This text gives a very brief insight to a complex technology.
A more in-depth account of soldering ICs can be found in
our

"IC Package Databook" (order code 9398 652 90011).

Soldering by dipping or by wave

The maximum permissible temperature of the solder is
260

C; solder at this temperature must not be in contact

with the joint for more than 5 seconds. The total contact
time of successive solder waves must not exceed
5 seconds.

The device may be mounted up to the seating plane, but
the temperature of the plastic body must not exceed the
specified maximum storage temperature (T

stg max

). If the

printed-circuit board has been pre-heated, forced cooling
may be necessary immediately after soldering to keep the
temperature within the permissible limit.

Repairing soldered joints

Apply a low voltage soldering iron (less than 24 V) to the
lead(s) of the package, below the seating plane or not
more than 2 mm above it. If the temperature of the
soldering iron bit is less than 300

C it may remain in

contact for up to 10 seconds. If the bit temperature is
between 300 and 400

C, contact may be up to 5 seconds.

DEFINITIONS

LIFE SUPPORT APPLICATIONS

These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Philips customers using or selling these products for
use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such
improper use or sale.

Data sheet status

Objective specification

This data sheet contains target or goal specifications for product development.

Preliminary specification

This data sheet contains preliminary data; supplementary data may be published later.

Product specification

This data sheet contains final product specifications.

Limiting values

Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or
more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation
of the device at these or at any other conditions above those given in the Characteristics sections of the specification
is not implied. Exposure to limiting values for extended periods may affect device reliability.

Application information

Where application information is given, it is advisory and does not form part of the specification.

Internet: http://www.semiconductors.philips.com

Philips Semiconductors a worldwide company

SCA57

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Printed in The Netherlands

545102/1200/02/pp20

Date of release: 1998 Feb 25

Document order number:

9397 750 02237

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