Philips TDA8560Q User manual

DATA SHEET

Product speciﬁcation

Supersedes data of March 1994

File under Integrated Circuits, IC01

1996 Jan 08

INTEGRATED CIRCUITS

TDA8560Q

2× 40 W/2 Ω stereo BTL car radio

power amplifier with diagnostic

facility

1996 Jan 08 2

Philips Semiconductors Product speciﬁcation

2× 40 W/2 Ω stereo BTL car radio

power ampliﬁer with diagnostic facility TDA8560Q

FEATURES

•Requires very few external components

•High output power

•4Ωand 2 Ωload impedance

•Low output offset voltage

•Fixed gain

•Diagnostic facility (distortion, short-circuit and

temperature detection)

•Good ripple rejection

•Mode select switch (operating, mute and standby)

•Load dump protection

•Short-circuit safe to ground, to VPand across the load

•Low power dissipation in any short-circuit condition

•Thermally protected

•Reverse polarity safe

•Electrostatic discharge protection

•No switch-on/switch-off plop

•Flexible leads

•Low thermal resistance.

GENERAL DESCRIPTION

TheTDA8560Qisanintegratedclass-Boutputamplifierin

a 13-lead single-in-line (SIL) power package.

It contains 2 ×40 W/2 Ωamplifiers in BTL configuration.

The device is primarily developed for car radio

applications.

QUICK REFERENCE DATA

ORDERING INFORMATION

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

VPoperating supply voltage 6.0 14.4 18 V

IORM repetitive peak output current −−7.5 A

Iq(tot) total quiescent current −115 −mA

Isb standby current −0.1 100 µA

Isw switch-on current −−40 µA

ZIinput impedance 25 30 −kΩ

Pooutput power RL=4Ω; THD = 10% −25 −W

RL=2Ω; THD = 10% −40 −W

SVRR supply voltage ripple rejection Rs=0Ω−45 −dB

αcs channel separation Rs=10kΩ−50 −dB

Gvclosed loop voltage gain 39 40 41 dB

Vno noise output voltage Rs=0Ω −−250 µV

∆VODC output offset voltage −−200 mV

TYPE NUMBER PACKAGE

NAME DESCRIPTION VERSION

TDA8560Q DBS13P plastic DIL-bent-SIL power package; 13 leads (lead length 12 mm) SOT141-6

1996 Jan 08 3

Philips Semiconductors Product speciﬁcation

2× 40 W/2 Ω stereo BTL car radio

power ampliﬁer with diagnostic facility TDA8560Q

BLOCK DIAGRAM

Fig.1 Block diagram.

mode switch

MEA856 - 1

output 1A

15 kΩ

stand-by

switch

mute

switch

stand-by

reference

voltage

PROTECTIONS

Load dump

Soar

Thermal

Short - circuit

Reverse polarity

310

VP1 VP2

18 kΩ

365

Ω

mute switch

power stage

18 kΩ

mute switch

power stage

kΩ

18 kΩ

mute switch

power stage

18 kΩ

mute switch

power stage

kΩ

258

ground (signal)

GND1 GND2

power ground (substrate)

output 2B

output 2A

output 1B

input 1

input 2 13

TDA8560Q

mute

reference

voltage

input

reference

voltage

365

Ω

365

Ω

365

Ω

12 diagnostic

output

DIAGNOSTIC

INTERFACE

1996 Jan 08 4

Philips Semiconductors Product speciﬁcation

2× 40 W/2 Ω stereo BTL car radio

power ampliﬁer with diagnostic facility TDA8560Q

PINNING

SYMBOL PIN DESCRIPTION

IN 1 1 input 1

GND(S) 2 signal ground

VP1 3 supply voltage 1

OUT 1A 4 output 1A

GND1 5 power ground 1

OUT 1B 6 output 1B

OUT 2A 7 output 2A

GND2 8 power ground 2

OUT 2B 9 output 2B

VP2 10 supply voltage 2

MODE 11 mode switch input

VDIAG 12 diagnostic output

IN 2 13 input 2

Fig.2 Pin configuration.

MEA855 - 1

TDA8560Q

IN 1

GND(S)

VP1

OUT 1A

GND1

OUT 1B

OUT 2A

GND2

OUT 2B

VP2

MODE

IN 2

DIAG

FUNCTIONAL DESCRIPTION

The TDA8560Q contains two identical amplifiers and can

be used for bridge applications. The gain of each amplifier

is fixed at 40 dB. Special features of the device are as

follows.

Mode select switch (pin 11)

•Standby: low supply current (<100 µA)

•Mute: input signal suppressed

•Operating: normal on condition.

Since this pin has a very low input current (<40 µA), a low

cost supply switch can be applied.

Toavoidswitch-onplops,itis advised tokeepthe amplifier

in the mute mode during ≥100 ms (charging of the input

capacitors at pin 1 and pin 13).

This can be achieved by:

•Microprocessor control

•External timing circuit (see Fig.7).

Diagnostic output (pin 12)

DYNAMIC DISTORTION DETECTOR (DDD)

At the onset of clipping of one or more output stages, the

dynamic distortion detector becomes active and pin 12

goes low. This information can be used to drive a sound

processor or DC volume control to attenuate the input

signal and thus limit the distortion. The output level of

pin 12 is independent of the number of channels that are

clipping (see Fig.3).

Fig.3 Distortion detector waveform.

handbook, halfpage

MGA721

1996 Jan 08 5

Philips Semiconductors Product speciﬁcation

2× 40 W/2 Ω stereo BTL car radio

power ampliﬁer with diagnostic facility TDA8560Q

SHORT-CIRCUIT PROTECTION

When a short-circuit occurs at one or more outputs to

ground or to the supply voltage, the output stages are

switched off until the short-circuit is removed and the

device is switched on again, with a delay of approximately

20 ms, after removal of the short-circuit. During this

short-circuit condition, pin 12 is continuously low.

When a short-circuit across the load of one or both

channels occurs the output stages are switched off during

approximately 20 ms. After that time it is checked during

approximately 50 µs to see whether the short-circuit is still

present. Due to this duty cycle of 50 µs/20 ms the average

current consumption during this short-circuit condition is

very low (approximately 40 mA).

During this short-circuit condition, pin 12 is low for 20 ms

and high for 50 µs (see Fig.4).

The power dissipation in any short-circuit condition is

very low.

TEMPERATURE DETECTION

When the virtual junction temperature Tvj reaches 150 °C,

pin 12 will become continuously low.

OPEN COLLECTOR OUTPUT

Pin 12 is an open collector output, which allows pin 12 of

more devices being tied together.

Fig.4 Short-circuit waveform.

andbook, full pagewidth

MGA722

short-circuit over the load

20 ms

50 s

current

output

stage

V12

1996 Jan 08 6

Philips Semiconductors Product speciﬁcation

2× 40 W/2 Ω stereo BTL car radio

power ampliﬁer with diagnostic facility TDA8560Q

LIMITING VALUES

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

THERMAL CHARACTERISTICS

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT

VPsupply voltage

operating −18 V

non-operating −30 V

load dump protection during 50 ms; tr≥2.5 ms −45 V

Vpsc AC and DC short-circuit safe voltage −18 V

Vpr reverse polarity −6V

OSM non-repetitive peak output current −10 A

IORM repetitive peak output current −7.5 A

Ptot total power dissipation −60 W

Tstg storage temperature −55 +150 °C

Tamb operating ambient temperature −40 +85 °C

Tvj virtual junction temperature −150 °C

SYMBOL PARAMETER VALUE UNIT

Rth j-a thermal resistance from junction to ambient in free air 40 K/W

Rth j-c thermal resistance from junction to case (see Fig.5) 1.3 K/W

Fig.5 Equivalent thermal resistance network.

handbook, halfpage

2.2 K/W

0.2 K/W

2.2 K/W

virtual junction output 1 output 2

case

MBA624

1996 Jan 08 7

Philips Semiconductors Product speciﬁcation

2× 40 W/2 Ω stereo BTL car radio

power ampliﬁer with diagnostic facility TDA8560Q

DC CHARACTERISTICS

VP= 14.4 V; Tamb =25°C; measured in Fig.6; unless otherwise speciﬁed.

Notes

1. The circuit is DC adjusted at VP= 6 to 18 V and AC operating at VP= 8.5 to 18 V.

2. At 18 V <VP<30 V the DC output voltage ≤1⁄2VP.

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

Supply

VPsupply voltage note 1 6.0 14.4 18 V

Iqquiescent current RL=∞−115 180 mA

Operating condition

V11 mode switch voltage level 8.5 −VPV

I11 mode switch current V11 = 14.4 V −15 40 µA

VODC output voltage note 2 −7.0 −V

∆VODC output offset voltage −−200 mV

Mute condition

V11 mode switch voltage level 3.3 −6.4 V

VODC output voltage note 2 −7.0 −V

∆VODC output offset voltage −−200 mV

Standby condition

V11 mode switch voltage level 0 −2V

sb standby current −0.1 100 µA

Diagnostic output

V12 diagnostic output voltage any short-circuit or clipping −−0.6 V

1996 Jan 08 8

Philips Semiconductors Product speciﬁcation

2× 40 W/2 Ω stereo BTL car radio

power ampliﬁer with diagnostic facility TDA8560Q

AC CHARACTERISTICS

VP= 14.4 V; RL=2Ω; f = 1 kHz; Tamb =25°C; measured in Fig.6; unless otherwise speciﬁed.

Notes

1. Dynamic distortion detector active.

2. Frequency response externally fixed.

3. Vripple =V

ripple(max) = 2 V (p-p); Rs=0Ω.

4. B = 20 Hz to 20 kHz; Rs=0Ω.

5. B = 20 Hz to 20 kHz; Rs=10kΩ.

6. B = 20 Hz to 20 kHz; independent of Rs.

7. Po= 25 W; Rs=10kΩ.

8. Vi=V

i(max) = 1 V (RMS).

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

Pooutput power THD = 0.5% 25 30 −W

THD = 10% 33 40 −W

THD = 30% 45 55 −W

Pooutput power VP= 13.2 V

THD = 0.5% −25 −W

THD = 10% −35 −W

THD total harmonic distortion Po=1W −0.1 −%

V12 ≤0.6 V; note 1 −10 −%

B power bandwidth THD = 0.5%;

Po=−1dB

with respect to 25 W

−20 to 20000 −Hz

flr low frequency roll-off at −1 dB; note 2 −25 −Hz

fhr high frequency roll-off at −1dB 20 −−kHz

Gvclosed loop voltage gain 39 40 41 dB

SVRR supply voltage ripple rejection

on note 3 40 −−dB

mute note 3 50 −−dB

standby note 3 80 −−dB

Ziinput impedance 25 30 38 kΩ

Vno noise output voltage

on note 4 −200 250 µV

on note 5 −250 −µV

mute note 6 −135 −µV

cs channel separation note 7 45 −−dB

∆Gvchannel unbalance −− 1dB

ooutput voltage in mute note 8 −− 5mV

1996 Jan 08 9

Philips Semiconductors Product speciﬁcation

2× 40 W/2 Ω stereo BTL car radio

power ampliﬁer with diagnostic facility TDA8560Q

AC CHARACTERISTICS

VP= 14.4 V; RL=4Ω; f = 1 kHz; Tamb =25°C; measured in Fig.6; unless otherwise speciﬁed.

SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT

Pooutput power THD = 0.5% 16 19 −W

THD = 10% 21 25 −W

THD = 30% 28 35 −W

Pooutput power VP= 13.2 V

THD = 0.5% −15 −W

THD = 10% −21 −W

THD total harmonic distortion Po=1W −0.1 −%

1996 Jan 08 10

Philips Semiconductors Product speciﬁcation

2× 40 W/2 Ω stereo BTL car radio

power ampliﬁer with diagnostic facility TDA8560Q

QUALITY SPECIFICATION

Quality in accordance with

“Quality reference handbook SNW-FQ-611E”,

if this type used as an audio amplifier. This

handbook can be ordered using the code 9397 750 00192.

TEST AND APPLICATION INFORMATION

(1) To avoid high energy switching pulses which can feedback to the inputs it is advisable to ensure that the value of the resistor at pin 12 is ≥10 kΩ.

Fig.6 Stereo BTL test/application diagram.

MEA857 - 1

100

mode switch

11 3 10

470 nF 14

470 nF 13 9

TDA8560Q

2200

µF

14.4 V

kΩ

reference

voltage

ground (signal)

kΩ

input 2

input 1

power ground (substrate)

10 kΩ

(1)

diagnostic

output

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