TDA2004A Datasheet. Www.s Manuals.com. St

User Manual: Datasheets TDA2004-H14, TDA2004-J11, TDA2004A, TDA2004L-H14, TDA2004L-J11.

Open the PDF directly: View PDF .
Page Count: 11

Download
Open PDF In Browser	View PDF

TDA2004A
10 + 10W STEREO AMPLIFIER FOR CAR RADIO
Its main features are :
Low distortion.
Low noise.
High reliability of the chip and of the package with
additional safety during operation thanks to protections against :
OUTPUT AC SHORT CIRCUIT TO GROUND
VERY INDUCTIVE LOADS
OVERRATING CHIP TEMPERATURE
LOAD DUMP VOLTAGE SURGE
FORTUITOUS OPEN GROUND
Space and cost saving : very low number of external components, very simple mounting system with
no electrical isolation between the package and the
heatsink.

..
..
.

DESCRIPTION
The TDA2004A is a class B dual audio power amplifier in MULTIWATT package specifically desi-

MULTIWATT11
ORDERING NUMBER : TDA2004A

gned for car radio applications ; stereoamplifiers are
easily designed using this device that provides a
high current capability (up to 3.5 A) and that can drive very low impedance loads (down to 1.6Ω ).

PIN CONNECTION (top view)

March 1995

1/10

TDA2004A
ABSOLUTE MAXIMUM RATINGS
Symbol

Parameter

Value

Unit

VS

Opearting Supply Voltage

18

V

VS

DC Supply Voltage

28

V

VS

Peak Supply Voltage (for 50ms)

40

V

Output Peak Current (non repetitive t = 0.1ms)

4.5

A

IO (*)

Output Peak Current (repetitive f ≥ 10Hz)

3.5

A

Ptot

Power Dissipation at Tcase = 60°C

30

W

Tj, Tstg

Storage and Junction Temperature

–40 to 150

°C

IO (*)

(*) The max. output current is internally limited.

THERMAL DATA
Symbol

Parameter

Rth j-case Thermal Resistance Junction-case

Max.

Value

Unit

3

°C/W

ELECTRICAL CHARACTERISTICS (Refer to the test circuit, Tamb = 25°C, GV = 50dB,
Rth (heatsink) = 4°C/W, unless otherwise specified)
Symbol

Parameter

Test Condition

VS

Supply Voltage

VO

Quiescent Output Voltage

VS = 14.4V
VS = 13.2V

Id

Total Quiescent Drain Current

ISB
PO

Min.

CT

Vi
2/10

Max.

Unit

18

V

7.2
6.6

7.8
7.2

V
V

VS = 14.4V
VS = 13.2V

65
62

120
120

mA
mA

Stand-by Current

Pin 3 grounded

5

mA

Output Power (each channel)

f = 1KHz, d = 10%

6.6
6.0

VS = 14.4V
RL = 4Ω
RL = 3.2Ω
RL = 2Ω
RL= 1.6Ω

6
7
9
10

6.5
8
10(*)
11

W
W
W
W

VS = 13.2V
RL = 3.2Ω
RL= 1.6Ω

6
9

6.5
10

w
w

12

w

VS = 16V; R L = 2Ω
d

Typ.

8

Distortion (each channel)

Cross Talk

Input Saturation Voltage

f = 1KHz
VS = 14.4V; RL = 4Ω
PO = 50mW to 4W
VS = 14.4V; RL = 2Ω
PO = 50mW to 6W
VS = 13.2V; RL = 3.2Ω
PO = 50mW to 3W
VS = 13.2V; RL = 1.6Ω
PO = 50mW to 6W
VS = 14.4V
VO = 4Vrms RL = 4Ω
f = 1KHz
f = 10KHz R g = 5KΩ

50
40
300

0.2

1

%

0.3

1

%

0.2

1

%

0.3

1

%

60
45

dB
dB
mV

TDA2004A
ELECTRICAL CHARACTERISTICS (continued
Symbol

Parameter

Test Condition

Ri

Input Resistance (non inverting input) f = 1KHz

fL

Low Frequency Roll off (-3dB)

RL = 4Ω
RL = 2Ω
RL = 3.2Ω
RL= 1.6Ω

fH

High Frequency Roll off (-3dB)

RL = 1.6Ω to 4Ω

GV

Voltage gain (open loop)

f = 1KHz

Voltage gain (closed loop)

f = 1KHz

Min.

Typ.

70

200

15

Total Input noise Voltage

Rg = 10KΩ (**)

SVR

Supply Voltage Rejection

fripple = 100Hz; R g = 10KΩ
C3 = 10µF Vripple = 0.5Vrms

Efficiency

VS = 14.4V
RL = 4Ω
RL = 2Ω
VS = 13.2V
RL = 3.2Ω
RL = 1.6Ω

TJ

50

dB
51

dB

5

µV

0.5

eN

Thermal Shutdown Junction
Temperature

f = 1KHz
PO = 6.5W
PO = 10W
f = 1KHZ
PO = 6.5W
PO = 10W

1.5
35

Hz
Hz
Hz
Hz
KHz

90
48

Unit
KΩ

35
50
40
55

closed loop gain matching

η

Max.

dB

45

dB

70
60

%
%

70
60

%
%

145

°C

Notes : (*) 9.3W without Bootstrap
(**) Bandwith Filter : 22Hz to 22KHz.

Figure 1 : Test and Application Circuit.

3/10

TDA2004A
Figure 2 : P.C. Board and Component layout of the fig. 1 (scale 1 : 1).

Figure 3 : Quiescent Output Voltage vs.
Supply Voltage.

4/10

Figure 4 : Quiescent Drain Current vs.
Supply Voltage.

TDA2004A
Figure 5 : Distortion vs. Output Power.

Figure 6 : Output Power vs. Supply Voltage.

Figure 7 : Output Power vs. Supply Voltage.

Figure 8 : Distortion vs. Frequency.

Figure 9 : Distortion vs. Frequency.

Figure 10 : Supply Voltage Rejection vs. C3.

5/10

TDA2004A
Figure 11 : Supply Voltage Rejection vs.
Frequency.

Figure 12 : Supply Voltage Rejection vs.
Values of Capacitors C2 and C3.

Figure 13 : Supply Voltage Rejection vs.
Values of Capacitors C2 and C3.

Figure 14 : Gain vs. Input Sensitivity.

Figure 15 : Maximum Allowable Power
Dissipation vs. Ambient Temperature.

Figure 16 : Total Power Dissipation and
Efficiency vs. Output Power.

6/10

TDA2004A
Figure 17 : Total Power Dissipation and
Efficiency vs. Output Power .

APPLICATION SUGGESTION
The recommended values of the componentsare those shown on application circuit of fig.1. Different values
can be used ; the following table can help the designer.
Component

Recomm. Value

R1

120KΩ

R2, R4

1KΩ

R3, R5

3.3Ω

R6, R7

1Ω

C1, C2

Purpose

Larger Than

Smaller Than

Optimization of the
Smaller PO max.
output signal simmetry

Smaller PO max.

Close loop gain
setting (*)

Increase of gain

Decrease of gain

Decrease of gain

Increase of gain

Frequency stability

Danger of oscillation
at high frequency with
inductive load

2.2µF

Input DC decoupling

High turn-on delay

C3

10µF

Ripple Rejection

Increase of SVR.
Degradation of SVR.
Increase of the switchon time.

C4, C6

100µF

Boostrapping

C5, C7

100µF

Feedback Input DC
decoupling.

C8, C9

0.1µF

Frequency Stability

Danger of oscillation.

C10, C11

1000µF to 2200µF

Output DC decoupling.

Higher low-frequency
cut-off.

High turn-on pop
Higher low frequency
cutoff. Increase of
noise

Increase of distortion
at low frequency

(*) The closed–loop gain must be higher than 26dB.

7/10

TDA2004A
BUILT–IN PROTECTION SYSTEMS
LOAD DUMP VOLTAGE SURGE
The TDA2004A has a circuit which enables it to withstand a voltage pulse train, on pin 9, of the type
shown in Fig. 19.
If the supply voltage peaks to more than 40 V, then
an LC filter must be insertedbetweenthe supplyand
pin 9, in order to assure that the pulses at pin 9 will
be held within the limits shown.
A suggested LC network is shown in Fig. 18. With
this network, a train of pulsewith amplitude up to 120
V and with of 2 ms can be applied to point A. This
type of protection is ON when the supply voltage
(pulse or DC) exceeds18 V. For this reason the maximum operating supply voltage is 18 V.

POLARITY INVERSION
High current (up to 10 A) can be handled by the device with no damage for a longer period than the
blow-out time of a quick 2 A fuse (normally connected in series with the supply). This feature is added
to avoid destruction, if during fitting to the car, a mistake on the connection of the supply is made.

Figure 18.

A protection diode is provided to allow use of the
TDA2004A with inductive loads.

OPEN GROUND
When the ratio is the ON condition and the ground
is accidentally opened, a standard audio amplifier
will be damaged. On the TDA2004A protection diodes are included to avoid any damage.
INDUCTIVE LOAD

DC VOLTAGE
The maximum operating DC voltage on the
TDA2004A is 18 V.
However the device can withstand a DC voltage up
to 28V withno damage. This could occurduring winter if two batteries are series connected to crank the
engine.
Figure 19.

THERMAL SHUT-DOWN

SHORT CIRCUIT (AC conditions)
The TDA2004A can withstand an accidental shortcircuit from the output to ground caused by a wrong
connection during normal working.

The presence of a thermal limiting circuit offers the
following advantages :
1) an overloadon the output(even if it is permanent),
or an excessive ambient temperature can be easily
withstood.
2) the heatsink can have a smaller factor of safety
compared with that of a conventional circuit. There
is no device damage in the case of excessive junction temperature ; all that happens is the PO (and
therefore Ptot) and Id are reduced.
The maximum allowable power dissipationdepends
upon the size of the external heatsink(i.e. its thermal
resistance) ; fig. 15 shown this dissipable power as
a function of ambient temperature for different thermal resistance.

8/10

TDA2004A
MULTIWATT11 PACKAGE MECHANICAL DATA
DIM.
A
B
C
D
E
F
G
G1
H1
H2
L
L1
L2
L3
L4
L7
M
M1
S
S1
Dia1

MIN.

mm
TYP.

MAX.
5
2.65
1.6

MIN.

0.55
0.95
1.95
17.25

0.019
0.035
0.057
0.659
0.772

1
0.49
0.88
1.45
16.75
19.6
21.9
21.7
17.4
17.25
10.3
2.65
4.25
4.73
1.9
1.9
3.65

1.7
17

22.2
22.1
17.5
10.7
4.55
5.08

inch
TYP.

MAX.
0.197
0.104
0.063

0.039

20.2
22.5
22.5
18.1
17.75
10.9
2.9
4.85
5.43
2.6
2.6
3.85

0.862
0.854
0.685
0.679
0.406
0.104
0.167
0.186
0.075
0.075
0.144

0.067
0.669

0.874
0.87
0.689
0.421
0.179
0.200

0.022
0.037
0.077
0.679
0.795
0.886
0.886
0.713
0.699
0.429
0.114
0.191
0.214
0.102
0.102
0.152

9/10

TDA2004A

Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for
the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its
use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or
systems without express written approval of SGS-THOMSON Microelectronics.
 1995 SGS-THOMSON Microelectronics - All Rights Reserved
MULTIWATT  is a Registered Trademark of SGS-THOMSON Microelectronics
SGS-THOMSON Microelectronics GROUP OF COMPANIES
Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singapore Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom - U.S.A.

10/10

www.s-manuals.com



---

Source Exif Data:

File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.5
Linearized                      : No
Page Mode                       : UseThumbs
XMP Toolkit                     : Adobe XMP Core 4.0-c316 44.253921, Sun Oct 01 2006 17:14:39
Producer                        : Acrobat Distiller 2.0 for Windows
Modify Date                     : 2013:04:02 00:19:10+03:00
Create Date                     : 1995:08:14 23:08:25Z
Metadata Date                   : 2013:04:02 00:19:10+03:00
Document ID                     : uuid:e8046fa5-867d-4acc-91ac-1898c3a9c0af
Instance ID                     : uuid:65a3b100-8f15-49c6-9440-65bed63e2a59
Format                          : application/pdf
Title                           : TDA2004A - Datasheet. www.s-manuals.com.
Creator                         : 
Description                     : 
Subject                         : TDA2004A - Datasheet. www.s-manuals.com.
Page Count                      : 11
Keywords                        : TDA2004A, -, Datasheet., www.s-manuals.com.
Warning                         : [Minor] Ignored duplicate Info dictionary

EXIF Metadata provided by EXIF.tools