PHILIPS TDA8566TH

INTEGRATED CIRCUITS
DATA SHEET
TDA8566TH
2 × 40 W/2 Ω stereo BTL car radio
power amplifier with differential
inputs and diagnostic outputs
Objective specification
File under Integrated Circuits, IC01
2001 Apr 24
Philips Semiconductors
Objective specification
2 × 40 W/2 Ω stereo BTL car radio power amplifier
with differential inputs and diagnostic outputs
TDA8566TH
FEATURES
• Low power dissipation in any short-circuit condition
• Differential inputs
• Thermally protected
• Very high Common Mode Rejection Ratio (CMRR)
• Reverse polarity safe
• High common mode input signal handling
• Protected against electrostatic discharge
• Requires very few external components
• No switch-on/switch-off plops
• High output power
• Low thermal resistance.
• 4 and 2 Ω load driving capability
• Low offset voltage at output
GENERAL DESCRIPTION
• Fixed gain
The TDA8566TH is an integrated class-B output amplifier
contained in a 20-lead small outline plastic package. The
device contains 2 amplifiers in a Bridge-Tied Load (BTL)
configuration. The output power is 2 × 25 W in a 4 Ω load
or 2 × 40 W in a 2 Ω load. It has a differential input stage
and 2 diagnostic outputs. The device is primarily
developed for car radio applications.
• Diagnostic facility (distortion, short-circuit and
temperature pre-warning)
• Good ripple rejection
• Mode select switch (operating, mute and standby)
• Load dump protection
• Short-circuit proof to ground, to VP and across the load
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VP
operating supply voltage
6
14.4
18
V
IORM
repetitive peak output current
−
−
7.5
A
Iq(tot)
total quiescent current
−
115
−
mA
Istb
standby current
−
0.1
10
µA
Isw
switch-on current
−
−
40
µA
Zi
input impedance
100
120
−
kΩ
Pout
output power
−
25
−
W
RL = 2 Ω; THD = 10%
−
40
−
W
SVRR
supply voltage ripple rejection
Rs = 0 Ω
−
60
−
dB
αcs
channel separation
Rs = 10 kΩ
−
50
−
dB
RL = 4 Ω; THD = 10%
CMRR
common mode rejection ratio
−
75
−
dB
Gv
closed loop voltage gain
25
26
27
dB
Vn(o)
noise output voltage
−
−
120
µV
Rs = 0 Ω
ORDERING INFORMATION
TYPE
NUMBER
TDA8566TH
2001 Apr 24
PACKAGE
NAME
DESCRIPTION
VERSION
HSOP20
plastic, heatsink small outline package; 20 leads; low stand-off height
SOT418-2
2
Philips Semiconductors
Objective specification
2 × 40 W/2 Ω stereo BTL car radio power amplifier
with differential inputs and diagnostic outputs
TDA8566TH
BLOCK DIAGRAM
handbook, full pagewidth
IN1+
IN1−
8
+
mute
switch
VP1
VP2
12
19
CM
−
9
13
+
2.3
kΩ
VA
OUT1+
−
2.3 kΩ
+
(9×)
mute
switch
CM
−
15
60
kΩ
+
2.3
kΩ
60
kΩ
VA
OUT1−
−
2.3 kΩ
n.c.
4, 5,
6, 7
(9×)
20
standby
switch
MODE
TDA8566TH
Vref
SGND
standby
reference
voltage
VA
10
mute
switch
CLIP
11
CLIP
1×
DIAG
60
kΩ
IN2+
IN2−
1
DIAG
mute
reference
voltage
60
kΩ
2
+
mute
switch
CM
−
3
16
2.3
kΩ
+
VA
OUT2+
−
2.3 kΩ
+
mute
switch
(9×)
CM
−
18
2.3
kΩ
+
VA
−
2.3 kΩ
17
(9×)
14
MGU358
PGND2
PGND1
Fig.1 Block diagram.
2001 Apr 24
3
OUT2−
Philips Semiconductors
Objective specification
2 × 40 W/2 Ω stereo BTL car radio power amplifier
with differential inputs and diagnostic outputs
TDA8566TH
PINNING
SYMBOL
PIN
DESCRIPTION
DIAG
1
short-circuit and temperature
pre-warning diagnostic output
IN2+
2
channel 2 input positive
IN2−
3
channel 2 input negative
n.c.
4
not connected
n.c.
5
not connected
n.c.
6
not connected
VP2 19
2 IN2+
n.c.
7
not connected
OUT2− 18
3 IN2−
IN1+
8
channel 1 input positive
PGND2 17
4 n.c.
IN1−
9
channel 1 input negative
OUT2+ 16
SGND
10
signal ground
CLIP
11
clip detection output
VP1
12
supply voltage 1
OUT1+
13
channel 1 output positive
PGND1
14
power ground 1
OUT1−
15
channel 1 output negative
OUT2+
16
channel 2 output positive
PGND2
17
power ground 2
OUT2−
18
channel 2 output negative
VP2
19
supply voltage 2
MODE
20
mode select switch input
(standby/mute/operating)
2001 Apr 24
handbook, halfpage
1 DIAG
MODE 20
5 n.c.
TDA8566TH
OUT1− 15
6 n.c.
PGND1 14
7 n.c.
OUT1+ 13
8 IN1+
VP1 12
9 IN1−
CLIP 11
10 SGND
MGU356
Fig.2 Pin configuration.
4
Philips Semiconductors
Objective specification
2 × 40 W/2 Ω stereo BTL car radio power amplifier
with differential inputs and diagnostic outputs
TDA8566TH
FUNCTIONAL DESCRIPTION
Short-circuit diagnostic (pin DIAG)
The TDA8566TH contains 2 identical amplifiers and can
be used for BTL applications. The gain of each amplifier is
fixed at 26 dB. Special features of this device are:
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 the removal of the short-circuit). During this
short-circuit condition, pin DIAG is continuously LOW.
1. Mode select switch
2. Clip detection
3. Short-circuit diagnostic
When a short-circuit occurs across the load of one or both
channels, the output stages are switched off for
approximately 20 ms. After that time the load condition 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 the
short-circuit condition is very low (approximately 40 mA).
During this condition, pin DIAG is LOW for 20 ms and
HIGH for 50 µs; see Fig.4. The power dissipation in any
short-circuit condition is very low.
4. Temperature pre-warning
5. Open-collector diagnostic outputs
6. Differential inputs.
Mode select switch (pin MODE)
• Standby: low supply current
• 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. To avoid switch-on
plops, it is advisable to keep the amplifier in the mute mode
for a period of ≥150 ms (charging the input capacitors at
pins IN1+, IN1−, IN2+ and IN2−). This can be realized by
using a microcontroller or by using an external timing
circuit as illustrated in Fig.7.
Temperature pre-warning (pin DIAG)
When the junction temperature (Tvj) reaches 145 °C,
pin DIAG will become continuously LOW.
Open-collector diagnostic outputs
Pins DIAG and CLIP are open-collector outputs, therefore
more devices can be tied together. Pins DIAG and CLIP
can also be tied together. An external pull-up resistor is
required.
Clip detection (pin CLIP)
When clipping occurs at one or more output stages, the
dynamic distortion detector becomes active and pin CLIP
goes LOW. This information can be used to drive a sound
processor or a DC volume control to attenuate the input
signal and so limit the level of distortion. The output level
of pin CLIP is independent of the number of channels that
are being clipped. The clip detection circuit is disabled in a
short-circuit condition, so if a fault condition occurs at the
outputs, pin CLIP will remain at a HIGH level. The clip
detection waveforms are illustrated in Fig.3.
Differential inputs
The input stage is a high-impedance fully differential
balanced input stage that is also capable of operating in
a single-ended mode with one of the inputs capacitively
coupled to an audio ground. It should be noted that if a
source resistance is added (input voltage dividers) the
CMRR degrades to lower values.
MGU357
handbook, halfpageVO
(V)
0
VCLIP
(V)
0
t (s)
Fig.3 Clip detection waveforms.
2001 Apr 24
5
Philips Semiconductors
Objective specification
2 × 40 W/2 Ω stereo BTL car radio power amplifier
with differential inputs and diagnostic outputs
TDA8566TH
handbook, full pagewidthcurrent
MGU360
in
output
stage
t (s)
short-circuit over the load
VDIAG
20 ms
(V)
t (s)
50 µs
Fig.4 Short-circuit diagnostic timing diagram.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
SYMBOL
VP
PARAMETER
supply voltage
CONDITIONS
MIN.
MAX.
UNIT
operating
−
18
V
non-operating
−
30
V
load dump protection;
during 50 ms; tr ≥ 2.5 ms
−
45
V
IOSM
non-repetitive peak output current
−
10
A
IORM
repetitive peak output current
−
7.5
A
Tstg
storage temperature
−55
+150
°C
Tvj
virtual junction temperature
−
150
°C
Tamb
ambient temperature
−40
+85
°C
Vpsc
short-circuit safe voltage
−
18
V
Vrp
reverse polarity voltage
−
6.0
V
Ptot
total power dissipation
−
60
W
QUALITY SPECIFICATION
Quality specification in accordance with “SNW-FQ-611D”, if this type is used as an audio amplifier.
THERMAL CHARACTERISTICS
Thermal characteristics in accordance with IEC 60747-1.
SYMBOL
PARAMETER
CONDITIONS
VALUE
UNIT
Rth(j-c)
thermal resistance from junction to case
see Fig.5
1.9
K/W
Rth(j-a)
thermal resistance from junction to ambient
in free air
40
K/W
2001 Apr 24
6
Philips Semiconductors
Objective specification
2 × 40 W/2 Ω stereo BTL car radio power amplifier
with differential inputs and diagnostic outputs
output 1
handbook, halfpage
TDA8566TH
output 2
virtual junction
3.2 K/W
3.2 K/W
0.3 K/W
case
MGU361
Fig.5 Equivalent thermal resistance network.
DC CHARACTERISTICS
VP = 14.4 V; Tamb = 25 °C; measured in test circuit of Fig.6; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
VP
Iq
supply voltage
quiescent current
note 1
RL = ∞
6
−
14.4
115
18
180
V
mA
VMODE = 14.4 V
note 2
8.5
−
−
−
−
15
7.0
−
VP
40
−
100
V
µA
V
mV
3.3
−
−
−
−
7.0
−
−
6.4
−
60
60
V
V
mV
mV
0
−
−
0.1
2
10
V
µA
−
0.6
V
Operating condition
VMODE
IMODE
VO
VOO
mode select switch level
mode select switch current
output voltage
output offset voltage
Mute condition
VMODE
VO
VOO
∆VOO
mode select switch level
output voltage
output offset voltage
output offset voltage difference
note 2
with respect to operating
condition
Standby condition
VMODE
Istb
mode select switch level
standby current
Diagnostic
VDIAG
diagnostic output voltage
during any fault condition −
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 VP = 18 to 30 V the DC output voltage is ≤0.5VP.
2001 Apr 24
7
Philips Semiconductors
Objective specification
2 × 40 W/2 Ω stereo BTL car radio power amplifier
with differential inputs and diagnostic outputs
TDA8566TH
AC CHARACTERISTICS
VP = 14.4 V; Tamb = 25 °C; RL = 2 Ω; fi = 1 kHz; measured in test circuit of Fig.6; unless otherwise specified.
SYMBOL
Po
THD
PARAMETER
output power
total harmonic distortion
CONDITIONS
MIN.
TYP.
MAX.
UNIT
THD = 0.5%
25
30
−
W
THD = 10%
33
40
−
W
THD = 30%
45
55
−
W
VP = 13.5 V; THD = 0.5%
−
25
−
W
VP = 13.5 V; THD = 10%
−
35
−
W
THD = 0.5%; RL = 4 Ω
16
19
−
W
THD = 10%; RL = 4 Ω
21
25
−
W
THD = 30%; RL = 4 Ω
28
35
−
W
VP = 13.5 V; THD = 0.5%;
RL = 4 Ω
−
14
−
W
VP = 13.5 V; THD = 10%;
RL = 4 Ω
−
22
−
W
Po = 1 W
−
0.1
−
%
VCLIP = 0.6 V; note 1
−
8
−
%
−
%
Po = 1 W; RL = 4 Ω
−
0.05
B
power bandwidth
THD = 0.5%; Po = −1 dB
with respect to 25 W
−
20 to 20000 −
Hz
fro(l)
low frequency roll off
−1 dB; note 2
−
25
−
Hz
fro(h)
high frequency roll off
−1 dB
Gv
closed loop voltage gain
SVRR
supply voltage ripple
rejection
Zi
input impedance
∆Zi
input impedance mismatch
Vn(o)
noise output voltage
αcs
channel separation
∆Gv
channel unbalance
2001 Apr 24
20
−
−
kHz
25
26
27
dB
operating; note 3
50
−
−
dB
mute; note 3
50
−
−
dB
standby; note 3
80
−
−
dB
differential
100
120
150
kΩ
single-ended
50
60
75
kΩ
−
2
−
%
85
120
µV
operating; Rs = 0 Ω; note 4 −
operating; Rs = 10 kΩ;
note 4
−
100
−
µV
mute; independent of Rs;
note 4
−
60
−
µV
Po = 25 W; Rs = 10 kΩ
45
−
−
dB
−
−
1
dB
8
Philips Semiconductors
Objective specification
2 × 40 W/2 Ω stereo BTL car radio power amplifier
with differential inputs and diagnostic outputs
SYMBOL
PARAMETER
CONDITIONS
Vo(mute)
output signal voltage in mute Vin = Vin(max) = 1 V (RMS)
CMRR
common mode rejection
ratio
TDA8566TH
MIN.
−
TYP.
MAX.
UNIT
−
2
mV
Rs = 0 Ω; note 5
60
75
−
dB
Rs = 45 kΩ; note 6
40
−
−
dB
Notes
1. Dynamic distortion detector active; pin CLIP is LOW.
2. Frequency response externally fixed.
3. Vripple = Vripple(max) = 2 V (p-p); Rs = 0 Ω.
4. Noise measured in a bandwidth of 20 Hz to 20 kHz.
5. Common mode rejection ratio measured at the output (over RL) with both inputs tied together;
Vcommon ≤ 3.5 V (RMS); fi = 100 Hz to 10 kHz; Rs = 0 Ω.
6. Common mode rejection ratio measured at the output (over RL) with both inputs tied together;
Vcommon ≤ 3.5 V (RMS); fi = 1 kHz; Rs = 45 kΩ. The mismatch of the input coupling capacitors is excluded.
2001 Apr 24
9
Philips Semiconductors
Objective specification
2 × 40 W/2 Ω stereo BTL car radio power amplifier
with differential inputs and diagnostic outputs
TDA8566TH
TEST AND APPLICATION INFORMATION
handbook, full pagewidth
+ V
P=
_ 14.4 V
+
Vmode
_
20
+ 8
Rs/2
220 nF
12
19
+
60
kΩ
13 +
−
TDA8566TH
Vin1
Rs/2
220 nF
_ 9
60
kΩ
−
+ 2
10
kΩ
−
CLIP
DETECTOR
11
DIAGNOSTIC
INTERFACE
1
+
60
kΩ
VP
VP
+
10
220 nF
RL1
15 _
Vref +
Rs/2
2200
µF/16V
100
nF
10
kΩ
CLIP
DIAG
16 +
−
RL2
Vin2
Rs/2
220 nF
_ 3
60
kΩ
−
18 _
+
14
17
MGU359
Fig.6 Stereo BTL test diagram.
Application information
DIAGNOSTIC OUTPUT
+Vsupply
handbook, halfpage
Special care must be taken in the PCB layout to separate
pin CLIP from pins IN1+, IN1−, IN2+ and IN2− to minimize
the crosstalk between the CLIP output and the inputs.
S
10 kΩ
100 Ω
MODE SELECT SWITCH
To avoid switch-on plops, it is advisable to keep the
amplifier in the mute mode during ≥150 ms (charging of
the input capacitors at pins IN1+, IN1−, IN2+ and IN2−).
The circuit in Fig.7 slowly ramps-up the voltage at the
mode select switch pin when switching on and results in
fast muting when switching off.
47 µF
mode
select
switch
100 kΩ
MGD102
Fig.7 Mode select switch circuit.
2001 Apr 24
10
Philips Semiconductors
Objective specification
2 × 40 W/2 Ω stereo BTL car radio power amplifier
with differential inputs and diagnostic outputs
TDA8566TH
PACKAGE OUTLINE
HSOP20: plastic, heatsink small outline package; 20 leads; low stand-off height
SOT418-2
E
D
A
x
X
c
E2
y
HE
v M A
D1
D2
10
1
pin 1 index
Q
A
A2
E1
(A3)
A4
θ
Lp
detail X
20
11
Z
w M
bp
e
0
5
10 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
mm
A
A2
max.
3.5
3.5
3.2
A3
0.35
A4(1)
D1
D2
E(2)
E1
E2
e
HE
Lp
Q
+0.12 0.53 0.32 16.0 13.0
−0.02 0.40 0.23 15.8 12.6
1.1
0.9
11.1
10.9
6.2
5.8
2.9
2.5
1.27
14.5
13.9
1.1
0.8
1.7
1.5
bp
c
D(2)
v
w
x
y
0.25 0.25 0.03 0.07
Z
θ
2.5
2.0
8°
0°
Notes
1. Limits per individual lead.
2. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
OUTLINE
VERSION
REFERENCES
IEC
JEDEC
EIAJ
ISSUE DATE
98-02-25
99-11-12
SOT418-2
2001 Apr 24
EUROPEAN
PROJECTION
11
Philips Semiconductors
Objective specification
2 × 40 W/2 Ω stereo BTL car radio power amplifier
with differential inputs and diagnostic outputs
SOLDERING
TDA8566TH
If wave soldering is used the following conditions must be
observed for optimal results:
Introduction to soldering surface mount packages
• Use a double-wave soldering method comprising a
turbulent wave with high upward pressure followed by a
smooth laminar wave.
This text gives a very brief insight to a complex technology.
A more in-depth account of soldering ICs can be found in
our “Data Handbook IC26; Integrated Circuit Packages”
(document order number 9398 652 90011).
• For packages with leads on two sides and a pitch (e):
– larger than or equal to 1.27 mm, the footprint
longitudinal axis is preferred to be parallel to the
transport direction of the printed-circuit board;
There is no soldering method that is ideal for all surface
mount IC packages. Wave soldering can still be used for
certain surface mount ICs, but it is not suitable for fine pitch
SMDs. In these situations reflow soldering is
recommended.
– smaller than 1.27 mm, the footprint longitudinal axis
must be parallel to the transport direction of the
printed-circuit board.
Reflow soldering
The footprint must incorporate solder thieves at the
downstream end.
Reflow soldering requires solder paste (a suspension of
fine solder particles, flux and binding agent) to be applied
to the printed-circuit board by screen printing, stencilling or
pressure-syringe dispensing before package placement.
• For packages with leads on four sides, the footprint must
be placed at a 45° angle to the transport direction of the
printed-circuit board. The footprint must incorporate
solder thieves downstream and at the side corners.
Several methods exist for reflowing; for example,
convection or convection/infrared heating in a conveyor
type oven. Throughput times (preheating, soldering and
cooling) vary between 100 and 200 seconds depending
on heating method.
During placement and before soldering, the package must
be fixed with a droplet of adhesive. The adhesive can be
applied by screen printing, pin transfer or syringe
dispensing. The package can be soldered after the
adhesive is cured.
Typical reflow peak temperatures range from
215 to 250 °C. The top-surface temperature of the
packages should preferable be kept below 220 °C for
thick/large packages, and below 235 °C for small/thin
packages.
Typical dwell time is 4 seconds at 250 °C.
A mildly-activated flux will eliminate the need for removal
of corrosive residues in most applications.
Manual soldering
Wave soldering
Fix the component by first soldering two
diagonally-opposite end leads. Use a low voltage (24 V or
less) soldering iron applied to the flat part of the lead.
Contact time must be limited to 10 seconds at up to
300 °C.
Conventional single wave soldering is not recommended
for surface mount devices (SMDs) or printed-circuit boards
with a high component density, as solder bridging and
non-wetting can present major problems.
When using a dedicated tool, all other leads can be
soldered in one operation within 2 to 5 seconds between
270 and 320 °C.
To overcome these problems the double-wave soldering
method was specifically developed.
2001 Apr 24
12
Philips Semiconductors
Objective specification
2 × 40 W/2 Ω stereo BTL car radio power amplifier
with differential inputs and diagnostic outputs
TDA8566TH
Suitability of surface mount IC packages for wave and reflow soldering methods
SOLDERING METHOD
PACKAGE
WAVE
BGA, HBGA, LFBGA, SQFP, TFBGA
not suitable
suitable(2)
HBCC, HLQFP, HSQFP, HSOP, HTQFP, HTSSOP, HVQFN, SMS
not
PLCC(3), SO, SOJ
suitable
LQFP, QFP, TQFP
SSOP, TSSOP, VSO
REFLOW(1)
suitable
suitable
suitable
not
recommended(3)(4)
suitable
not
recommended(5)
suitable
Notes
1. All surface mount (SMD) packages are moisture sensitive. Depending upon the moisture content, the maximum
temperature (with respect to time) and body size of the package, there is a risk that internal or external package
cracks may occur due to vaporization of the moisture in them (the so called popcorn effect). For details, refer to the
Drypack information in the “Data Handbook IC26; Integrated Circuit Packages; Section: Packing Methods”.
2. These packages are not suitable for wave soldering as a solder joint between the printed-circuit board and heatsink
(at bottom version) can not be achieved, and as solder may stick to the heatsink (on top version).
3. If wave soldering is considered, then the package must be placed at a 45° angle to the solder wave direction.
The package footprint must incorporate solder thieves downstream and at the side corners.
4. Wave soldering is only suitable for LQFP, TQFP and QFP packages with a pitch (e) equal to or larger than 0.8 mm;
it is definitely not suitable for packages with a pitch (e) equal to or smaller than 0.65 mm.
5. Wave soldering is only suitable for SSOP and TSSOP packages with a pitch (e) equal to or larger than 0.65 mm; it is
definitely not suitable for packages with a pitch (e) equal to or smaller than 0.5 mm.
2001 Apr 24
13
Philips Semiconductors
Objective specification
2 × 40 W/2 Ω stereo BTL car radio power amplifier
with differential inputs and diagnostic outputs
TDA8566TH
DATA SHEET STATUS
DATA SHEET STATUS(1)
PRODUCT
STATUS(2)
DEFINITIONS
Objective data
Development
This data sheet contains data from the objective specification for product
development. Philips Semiconductors reserves the right to change the
specification in any manner without notice.
Preliminary data
Qualification
This data sheet contains data from the preliminary specification.
Supplementary data will be published at a later date. Philips
Semiconductors reserves the right to change the specification without
notice, in order to improve the design and supply the best possible
product.
Product data
Production
This data sheet contains data from the product specification. Philips
Semiconductors reserves the right to make changes at any time in order
to improve the design, manufacturing and supply. Changes will be
communicated according to the Customer Product/Process Change
Notification (CPCN) procedure SNW-SQ-650A.
Notes
1. Please consult the most recently issued data sheet before initiating or completing a design.
2. The product status of the device(s) described in this data sheet may have changed since this data sheet was
published. The latest information is available on the Internet at URL http://www.semiconductors.philips.com.
DEFINITIONS
DISCLAIMERS
Short-form specification  The data in a short-form
specification is extracted from a full data sheet with the
same type number and title. For detailed information see
the relevant data sheet or data handbook.
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
Semiconductors customers using or selling these products
for use in such applications do so at their own risk and
agree to fully indemnify Philips Semiconductors for any
damages resulting from such application.
Limiting values definition  Limiting values given are in
accordance with the Absolute Maximum Rating System
(IEC 60134). 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.
Right to make changes  Philips Semiconductors
reserves the right to make changes, without notice, in the
products, including circuits, standard cells, and/or
software, described or contained herein in order to
improve design and/or performance. Philips
Semiconductors assumes no responsibility or liability for
the use of any of these products, conveys no licence or title
under any patent, copyright, or mask work right to these
products, and makes no representations or warranties that
these products are free from patent, copyright, or mask
work right infringement, unless otherwise specified.
Application information  Applications that are
described herein for any of these products are for
illustrative purposes only. Philips Semiconductors make
no representation or warranty that such applications will be
suitable for the specified use without further testing or
modification.
2001 Apr 24
14
Philips Semiconductors
Objective specification
2 × 40 W/2 Ω stereo BTL car radio power amplifier
with differential inputs and diagnostic outputs
NOTES
2001 Apr 24
15
TDA8566TH
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Internet: http://www.semiconductors.philips.com
SCA 72
© Philips Electronics N.V. 2001
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.
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Printed in The Netherlands
753503/01/pp16
Date of release: 2001
Apr 24
Document order number:
9397 750 08125