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User Manual: Datasheets TDA2822, TDA2822G-D08, TDA2822G-S08, TDA2822L-D08, TDA2822L-S08, TDA2822M.

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TDA2822M
DUAL LOW-VOLTAGE POWER AMPLIFIER

..
..

SUPPLY VOLTAGE DOWN TO 1.8V
LOW CROSSOVER DISTORSION
LOW QUIESCENT CURRENT
BRIDGE OR STEREO CONFIGURATION

MINIDIP
ORDERING NUMBER : TDA2822M

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)

March 1995

1/11

TDA2822M
SCHEMATIC DIAGRAM

ABSOLUTE MAXIMUM RATINGS
Symbol

Parameter

Value

Unit

Vs

Supply Voltage

15

V

Io

Peak Output Current

1

A

1
1.4

W
W

– 40, + 150

°C

Ptot
Tstg, Tj

Total Power Dissipation at Tamb = 50 °C
at Tcase = 50 °C
Storage and Junction Temperature

THERMAL DATA
Symbol

Value

Unit

Rth j-amb

Thermal Resistance Junction-ambient

Max.

100

°C/W

R th j-case

Thermal Resistance Junction-pin (4)

Max.

70

°C/W

2/11

Parameter

TDA2822M
ELECTRICAL CHARACTERISTICS (VS = 6V, Tamb = 25oC, unless otherwise specified)
Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

15

V
V
V
mA
nA
mW

STEREO (test circuit of Figure 1)
Vs
Vo

Supply Voltage
Quiescent Output Voltage

Id
Ib
Po

Quiescent Drain Current
Input Bias Current
Output Power (each channel)
(f = 1kHz, d = 10%)

1.8
2.7
1.2
6
100

Vs = 3V

R L = 32Ω

R L = 16Ω
R L = 8Ω
R L = 4Ω
d

Distortion (f = 1kHz)

Gv
∆Gv
Ri
eN

Closed Loop Voltage Gain
Channel Balance
Input Resistance
Total Input Noise

SVR
Cs

Supply Voltage Rejection
Channel Separation

R L = 32Ω
R L = 16Ω
R L = 8Ω
f = 1kHz

VS = 9V
VS = 6V
VS = 4.5V
VS = 3V
VS = 2V
VS = 6V
VS = 9V
VS = 6V
VS = 6V
VS = 4.5V
VS = 3V
Po = 40mW
Po = 75mW
Po = 150mW

f = 1kHz
R s = 10kΩ

B = Curve A
B = 22Hz to 22kHz
f = 100Hz, C1 = C2 = 100µF
f = 1kHz

90
15
170
300
450

36

300
120
60
20
5
220
1000
380
650
320
110
0.2
0.2
0.2
39

9

41
±1

100

24

2
2.5
30
50

%
%
%
dB
dB
kΩ
µV
µV
dB
dB

BRIDGE (test circuit of Figure 2)
Vs
Id
Vos
Ib
Po

Supply Voltage
Quiescent Drain Current
Output Offset Voltage
(between the outputs)
Input Bias Current
Output Power (f = 1kHz, d = 10%)

1.8
RL = ∞
R L = 8Ω

6

100
R L = 32Ω

d
Gv
Ri
eN

Distortion
Closed Loop Voltage Gain
Input Resistance
Total Input Noise

SVR
B

Supply Voltage Rejection
Power Bandwidth (–3dB)

VS = 9V
VS = 6V
VS = 4.5V
VS = 3V
VS = 2V
VS = 9V
R L = 16Ω
VS = 6V
VS = 3V
VS = 6V
R L = 8Ω
VS = 4.5V
VS = 3V
VS = 4.5V
R L = 4Ω
VS = 3V
VS = 2V
Po = 0.5W, RL = 8Ω, f = 1kHz
f = 1kHz
f = 1kHz
R s = 10kΩ B = Curve A
B = 22Hz to 22kHz
f = 100Hz
R L = 8Ω, Po = 1W

320
50

900

200

1000
400
200
65
8
2000
800
120
1350
700
220
1000
350
80
0.2
39

100
2.5
3
40
120

15
9
± 50

V
mA
mV
nA
mW

%
dB
kΩ
µV
µV
dB
kHz

3/11

TDA2822M
Figure 1 : Test Circuit (Stereo)

Figure 2 : Test Circuit (Bridge)

Figure 3 :

4/11

P.C. Board and Components Layout
of the Circuit of Figure 1

Figure 4 :

P.C. Board and Components Layout
of the Circuit of Figure 2

TDA2822M
Figure 5 :

Quiescent Current versus
Supply Voltage

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)

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)

6/11

TDA2822M
Figure 16 : Typical Application in Portable Players

Figure 17 : Application in Portable Radio Receivers

7/11

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 100µF output capacitor)

8/11

TDA2822M
Figure 21 : 3V Stereo Cassette Player with Motot Speed Control

9/11

TDA2822M
MINIDIP PACKAGE MECHANICAL DATA
mm

DIM.
MIN.
A

TYP.

MAX.

MIN.

3.32

TYP.

MAX.

0.131

a1

0.51

0.020

B

1.15

1.65

0.045

0.065

b

0.356

0.55

0.014

0.022

b1

0.204

0.304

0.008

0.012

D
E

10.92
7.95

9.75

0.430
0.313

0.384

e

2.54

0.100

e3

7.62

0.300

e4

7.62

0.300

F

6.6

0.260

I

5.08

0.200

L
Z

10/11

inch

3.18

3.81
1.52

0.125

0.150
0.060

TDA2822M

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.
 1994 SGS-THOMSON Microelectronics - All Rights Reserved
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.

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