®
TDA2822M
.
.
.
.
SUPPLY VOLTAGE DOWN TO 1.8V
LOW CROSSOVER DISTORSION
LOW QUIESCENT CURRENT
BRIDGE OR STEREO CONFIGURATION
DESCRIPTION
The TDA2822M is a monolithic integrated circuit in
8 lead Minidip package. It is intended for use as dual audio power amplifier in portable cassette players and radios.
PIN CONNECTION (Top view)
MINIDIP
ORDERING NUMBER : TDA2822M
Obsolete Product(s) - Obsolete Product(s)
September 2003 1/11

TDA2822M
SCHEMATIC DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol
V s
I o
P tot
T stg
, T j
Parameter
Supply Voltage
Peak Output Current
Total Power Dissipation at T at T amb
= 50
°
C case
= 50
°
C
Storage and Junction Temperature
Value
15
1
1
1.4
– 40, + 150
THERMAL DATA
Symbol Parameter Value Unit
R th j-amb
Thermal Resistance Junction-ambient Max.
100 °
C/W
R th j-case
Thermal Resistance Junction-pin (4) Max.
70 °
C/W
Obsolete Product(s) - Obsolete Product(s)
Unit
V
A
W
W
°
C
2/11

TDA2822M
ELECTRICAL CHARACTERISTICS (V
S
= 6V, T amb
= 25 o
C, unless otherwise specified)
Test Conditions Min.
Typ.
Max.
Unit Symbol Parameter
STEREO (test circuit of Figure 1)
V s
V o
Supply Voltage
Quiescent Output Voltage
I d
I b
P o
Quiescent Drain Current
Input Bias Current
Output Power (each channel)
(f = 1kHz, d = 10%)
V s
= 3V
1.8
2.7
1.2
6
100
15
9 d
G v
∆
G v
R i e
N
Distortion (f = 1kHz)
Closed Loop Voltage Gain
Channel Balance
Input Resistance
Total Input Noise
R
R
R
R
L
= 32
Ω
V
S
= 9V
V
S
V
S
V
S
= 6V
= 4.5V
= 3V
= 2V V
S
L
= 16
Ω
V
S
= 6V
L
= 8
Ω
V
V
S
S
= 9V
= 6V
L
= 4
Ω
V
S
V
S
V
S
= 6V
= 4.5V
= 3V
R
R
R
L
= 32
Ω
P o
= 40mW
L
= 16
Ω
P o
= 75mW
L
= 8
Ω
P o
= 150mW f = 1kHz
90
15
170
300
450
36
100
300
120
60
20
5
220
1000
380
650
320
110
0.2
0.2
0.2
39 41
±
1
SVR
C s
Supply Voltage Rejection
Channel Separation
BRIDGE (test circuit of Figure 2) f = 1kHz
R s
= 10k
Ω
B = Curve A
B = 22Hz to 22kHz f = 100Hz, C1 = C2 = 100
µ
F f = 1kHz
24
2
2.5
30
50
V s
I d
V os
Supply Voltage
Quiescent Drain Current R
L
=
∞
R
L
= 8
Ω
1.8
6
15
9
±
50
V mA mV Output Offset Voltage
(between the outputs) e
N
SVR
Input Bias Current
Input Resistance
Total Input Noise
Supply Voltage Rejection f = 1kHz
R s
= 10k
Ω
B = Curve A
B = 22Hz to 22kHz f = 100Hz
100
100
2.5
3
40 nA I b
P o
Output Power (f = 1kHz, d = 10%)
R
R
L
= 32
Ω
V
S
= 9V
V
S
V
S
V
S
= 6V
= 4.5V
= 3V
= 2V V
S
L
= 16
Ω
V
V
S
V
S
S
= 9V
= 6V
= 3V
320
50
1000
400
200
65
8
2000
800
120 Obsolete Product(s) - Obsolete Product(s)
R
L
= 4
Ω
V
S
V
S
V
S
V
V
S
S
= 4.5V
= 3V
= 4.5V
= 3V
= 2V
200
220
1000
350
80 mW
P o
= 0.5W, R
L
= 8
Ω
, f = 1kHz d Distortion 0.2
%
Closed Loop Voltage Gain f = 1kHz 39 G v
R i dB k
Ω
µ
V
µ
V dB
%
%
% dB dB k
Ω
µ
V
µ
V dB dB
V
V
V mA nA mW
3/11

TDA2822M
Figure 1 : Test Circuit (Stereo)
Figure 2 : Test Circuit (Bridge)
Figure 3 : P.C. Board and Components Layout Figure 4 : P.C. Board and Components Layout of the Circuit of Figure 1 of the Circuit of Figure 2
Obsolete Product(s) - Obsolete Product(s)
4/11

Figure 5 : Quiescent Current versus
Supply Voltage
TDA2822M
Figure 6 : Supply Voltage Rejection versus
Frequency
Figure 7 : Output Power versus Supply Voltage
(THD = 10%, f = 1kHz Stereo)
Figure 8 : Distorsion versus Output Power
(Stereo)
Figure 9 : Distorsion versus Output Power
(Stereo)
Figure 10 : Output Power versus Supply Voltage
(Bridge)
Obsolete Product(s) - Obsolete Product(s)
5/11

TDA2822M
Figure 11 : Distorsion versus Output Power
(Bridge)
Figure 12 : Total Power Dissipation versus
Output Power (Bridge)
Figure 13 : Total Power Dissipation versus
Output Power (Bridge)
Figure 14 : Total Power Dissipation versus
Output Power (Bridge)
Figure 15 : Total Power Dissipation versus
Output Power (Bridge)
Obsolete Product(s) - Obsolete Product(s)
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Figure 16 : Typical Application in Portable Players
TDA2822M
Figure 17 : Application in Portable Radio Receivers
Obsolete Product(s) - Obsolete Product(s)
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TDA2822M
Figure 18 : Portable Radio Cassette Players
Type
TDA 7220
TDA 7211A
TEA 1330
TDA 7282
TDA 2822M
Supply Voltage
1.5 V to 6 V
1.2 V to 6 V
3 V to 15 V
1.5 V to 6 V
1.8 V to 15 V
Figure 19 : Portable Stereo Radios
Type
TDA 7220
TDA 7211A
TEA 1330
TDA 2822M
Supply Voltage
1.5 V to 6 V
1.2 V to 6 V
3 V to 15 V
1.8 V to 15 V
Figure 20 : Low Cost Application in Portable Players (using only one 100
µ
F output capacitor)
Obsolete Product(s) - Obsolete Product(s)
8/11

Figure 21 : 3V Stereo Cassette Player with Motot Speed Control
TDA2822M
Obsolete Product(s) - Obsolete Product(s)
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TDA2822M
E e b1
D e3 e4
F
B b
A a1
I
L
Z
DIM.
mm inch
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
3.32
0.131
0.51
1.15
0.356
0.204
7.95
3.18
2.54
7.62
7.62
1.65
0.55
0.304
10.92
9.75
6.6
5.08
3.81
1.52
0.020
0.045
0.014
0.008
0.313
0.125
0.100
0.300
0.300
0.065
0.022
0.012
0.430
0.384
0.260
0.200
0.150
0.060
Obsolete Product(s) - Obsolete Product(s)
10/11

TDA2822M
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences Obsolete Product(s) - Obsolete Product(s) by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
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All other names are the property of their respective owners
© 2003 STMicroelectronics - All rights reserved
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