SGS Thomson Microelectronics TDA2822M Datasheet

DUALLOW-VOLTAGE POWER AMPLIFIER

.

SUPPLYVOLTAGE DOWN TO 1.8V

.

LOW CROSSOVERDISTORSION

.

LOW QUIESCENTCURRENT

.

BRIDGE ORSTEREOCONFIGURATION

DESCRIPTION

TheTDA2822Mis amonolithicintegratedcircuit in
8 lead Minidip package. It is intended for use as
dual audio power amplifier in portable cassette
playersand radios.

TDA2822M

MINIDIP

ORDERING NUMBER : TDA2822M

PIN CONNECTION (Top view)

March 1995

1/11

TDA2822M

SCHEMATIC DIAGRAM

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

Supply Voltage 15 V
Peak Output Current 1 A
Total Power Dissipation at T

at T

amb
case

=50°C

=50°C

1

1.4

Storage and Junction Temperature – 40, + 150 °C

P

T

stg,Tj

V

s

I

o
tot

THERMALDATA

Symbol Parameter Value Unit

R

th j-amb

R

th j-case

Thermal Resistance Junction-ambient Max. 100 °C/W
Thermal Resistance Junction-pin (4) Max. 70 °C/W

W
W

2/11

TDA2822M

ELECTRICALCHARACTERISTICS (VS=6V,T

=25oC, unlessotherwisespecified)

amb

Symbol Parameter Test Conditions Min. Typ. Max. Unit

STEREO (test circuit of Figure 1)

V
V

P

G

∆G

e

Supply Voltage 1.8 15 V

s

Quiescent Output Voltage

o

I

Quiescent Drain Current 6 9 mA

d

I

Input Bias Current 100 nA

b

Output Power (each channel)

o

(f = 1kHz, d = 10%) R

d Distortion (f = 1kHz) R

Closed Loop Voltage Gain f = 1kHz 36 39 41 dB

v

Channel Balance ± 1dB

v

R

Input Resistance f = 1kHz 100 kΩ

i

Total Input Noise Rs= 10kΩ B = Curve A

N

=3V

V

s

=32Ω VS=9V

L

=16Ω VS=6V

R

L

=8Ω VS=9V

R

L

=4Ω VS=6V

R

L

=32Ω Po= 40mW

L

=16Ω Po= 75mW

R

L

=8Ω Po= 150mW

R

L

V
V
V
V

V
V

V

=6V

S

= 4.5V

S

=3V

S

=2V

S

=6V

S

= 4.5V

S

=3V

S

B = 22Hz to 22kHz

90

15
170
300

450

2.7

1.2

300
120

60
20

5

220

1000

380
650
320
110

0.2

0.2

0.2

2

2.5

V
V

mW

%
%
%

µV
µV

SVR Supply Voltage Rejection f = 100Hz, C1 = C2 = 100µF2430 dB

C

Channel Separation f = 1kHz 50 dB

s

BRIDGE (test circuit of Figure 2)

V

V

P

G

e

Supply Voltage 1.8 15 V

s

I

Quiescent Drain Current RL= ∞ 69mA

d

Output Offset Voltage

os

(between the outputs)
Input Bias Current 100 nA

I

b

Output Power (f = 1kHz, d = 10%)

o

d Distortion P

Closed Loop Voltage Gain f = 1kHz 39 dB

v

R

Input Resistance f = 1kHz 100 kΩ

i

Total Input Noise Rs= 10kΩ B = Curve A

N

RL=8Ω ±50 mV

=32Ω VS=9V

R

L

=16Ω VS=9V

R

L

=8Ω VS=6V

R

L

=4Ω VS= 4.5V

R

L

= 0.5W, RL=8Ω, f = 1kHz 0.2 %

o

V
V
V
V

V
V

V
V

V
V

=6V

S

= 4.5V

S

=3V

S

=2V

S

=6V

S

=3V

S

= 4.5V

S

=3V

S

=3V

S

=2V

S

320

50

900

200

1000

400
200

65

8

2000

800
120

1350

700
220

1000

350

80

2.5

B = 22Hz to 22kHz

3

mW

µV
µV

SVR Supply Voltage Rejection f = 100Hz 40 dB

B Power Bandwidth (–3dB) R

=8Ω,Po= 1W 120 kHz

L

3/11

TDA2822M

Figure1 : TestCircuit (Stereo)

Figure2 : TestCircuit (Bridge)

Figure3 : P.C.Board and Components Layout

of the Circuitof Figure1

4/11

Figure 4 : P.C. Boardand ComponentsLayout

of theCircuit of Figure 2

TDA2822M

Figure5 : QuiescentCurrentversus

SupplyVoltage

Figure7 : OutputPower versus SupplyVoltage

(THD = 10%, f = 1kHz Stereo)

Figure 6 : SupplyVoltage Rejectionversus

Frequency

Figure 8 : Distorsion versus OutputPower

(Stereo)

Figure9 : Distorsion versusOutput Power

(Stereo)

Figure 10 : Output Power versusSupplyVoltage

(Bridge)

5/11

TDA2822M

Figure11 : Distorsion versusOutputPower

(Bridge)

Figure13 : TotalPowerDissipation versus

OutputPower(Bridge)

Figure 12 : Total PowerDissipation versus

Output Power(Bridge)

Figure 14 : Total PowerDissipation versus

Output Power(Bridge)

Figure15 : TotalPowerDissipation versus

OutputPower(Bridge)

6/11

Figure16 : TypicalApplicationin PortablePlayers

TDA2822M

Figure17 : ApplicationinPortable Radio Receivers

7/11

TDA2822M

Figure18 : PortableRadio CassettePlayers

Figure19 : Portable StereoRadios

Type Supply Voltage

TDA 7220
TDA 7211A
TEA 1330
TDA 7282
TDA 2822M

Type Supply Voltage

TDA 7220
TDA 7211A
TEA 1330
TDA 2822M

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

1.5Vto6V

1.2Vto6V

3 V to 15 V

1.8 V to 15 V

Figure20 : Low Cost Applicationin Portable Players (usingonly one 100µF outputcapacitor)

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Figure21 : 3V Stereo Cassette PlayerwithMotot Speed Control

TDA2822M

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TDA2822M

MINIDIPPACKAGE MECHANICAL DATA

DIM.

MIN. TYP. MAX. MIN. TYP. MAX.

A 3.32 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 10.92 0.430

E 7.95 9.75 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 3.18 3.81 0.125 0.150
Z 1.52 0.060

mm inch

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TDA2822M

Information furnished is believed to be accurate and reliable. However,SGS-THOMSON Microelectronicsassumes no responsibility
for the consequences of use of such information norfor anyinfringement ofpatents or other rights of third parties which may result
from its use. No license isgrantedbyimplication or otherwise under any patent or patent rights ofSGS-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 arenot authorized for useas critical components in life
support devices or systems without express written approval of SGS-THOMSON Microelectronics.

 1994 SGS-THOMSON Microelectronics - All Rights Reserved

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