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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

March 1995

PIN CONNECTION (Top view)

MINIDIP

ORDERING NUMBER : 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.

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SCHEMATIC DIAGRAM

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

VsSupply Voltage 15 V

IoPeak Output Current 1 A

Ptot Total Power Dissipation at Tamb =50°C

at Tcase =50°C1

1.4 W

W

Tstg,T

jStorage and Junction Temperature – 40, + 150 °C

THERMAL DATA

Symbol Parameter Value Unit

Rth j-amb Thermal Resistance Junction-ambient Max. 100 °C/W

Rth j-case Thermal Resistance Junction-pin (4) Max. 70 °C/W

TDA2822M

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ELECTRICALCHARACTERISTICS (VS=6V,T

amb =25

o

C, unless otherwise specified)

Symbol Parameter Test Conditions Min. Typ. Max. Unit

STEREO (test circuit of Figure 1)

VsSupply Voltage 1.8 15 V

VoQuiescent Output Voltage Vs=3V 2.7

1.2 V

V

IdQuiescent Drain Current 6 9 mA

IbInput Bias Current 100 nA

PoOutput Power (each channel)

(f = 1kHz, d = 10%) RL=32ΩV

S=9V

V

S=6V

V

S= 4.5V

VS=3V

V

S=2V

R

L=16ΩV

S=6V

R

L=8ΩV

S=9V

V

S=6V

R

L=4ΩV

S=6V

V

S= 4.5V

VS=3V

90

15

170

300

450

300

120

60

20

5

220

1000

380

650

320

110

mW

d Distortion (f = 1kHz) RL=32ΩP

o= 40mW

RL=16ΩP

o= 75mW

RL=8ΩP

o= 150mW

0.2

0.2

0.2

%

%

%

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

∆GvChannel Balance ±1dB

R

iInput Resistance f = 1kHz 100 kΩ

eNTotal Input Noise Rs= 10kΩB = Curve A

B = 22Hz to 22kHz 2

2.5 µV

µV

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

C

s

Channel Separation f = 1kHz 50 dB

BRIDGE (test circuit of Figure 2)

VsSupply Voltage 1.8 15 V

IdQuiescent Drain Current RL=∞69mA

V

os Output Offset Voltage

(between the outputs) RL=8Ω±50 mV

IbInput Bias Current 100 nA

PoOutput Power (f = 1kHz, d = 10%) RL=32ΩV

S=9V

V

S=6V

V

S= 4.5V

VS=3V

V

S=2V

R

L=16ΩV

S=9V

V

S=6V

V

S=3V

R

L=8ΩV

S=6V

V

S= 4.5V

VS=3V

R

L=4ΩV

S= 4.5V

VS=3V

V

S=2V

320

50

900

200

1000

400

200

65

8

2000

800

120

1350

700

220

1000

350

80

mW

d Distortion Po= 0.5W, RL=8Ω, f = 1kHz 0.2 %

GvClosed Loop Voltage Gain f = 1kHz 39 dB

RiInput Resistance f = 1kHz 100 kΩ

eNTotal Input Noise Rs= 10kΩB = Curve A

B = 22Hz to 22kHz 2.5

3µV

µV

SVR Supply Voltage Rejection f = 100Hz 40 dB

B Power Bandwidth (–3dB) RL=8Ω,P

o= 1W 120 kHz

TDA2822M

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Figure 1 : Test Circuit (Stereo)

Figure 2 : Test Circuit (Bridge)

Figure 3 : 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

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Figure 5 : Quiescent Current versus

Supply Voltage Figure 6 : Supply Voltage Rejection versus

Frequency

Figure 8 : Distorsion versus Output Power

(Stereo)

Figure 7 : Output Power versus Supply Voltage

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

Figure 9 : Distorsion versus Output Power

(Stereo) Figure 10 : Output Power versus Supply Voltage

(Bridge)

TDA2822M

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Figure 11 : Distorsion versus Output Power

(Bridge) Figure 12 : Total Power Dissipation versus

Output Power (Bridge)

Figure 14 : Total Power Dissipation versus

Output Power (Bridge)

Figure 13 : Total Power Dissipation versus

Output Power (Bridge)

Figure 15 : Total Power Dissipation versus

Output Power (Bridge)

TDA2822M

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Figure 16 : Typical Application in Portable Players

Figure 17 : Application in Portable Radio Receivers

TDA2822M

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Figure 18 : Portable Radio Cassette Players

Figure 20 : Low Cost Application in Portable Players (using only one 100µF output capacitor)

Figure 19 : Portable Stereo Radios

Type Supply Voltage

TDA 7220

TDA 7211A

TEA 1330

TDA 7282

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

Type Supply Voltage

TDA 7220

TDA 7211A

TEA 1330

TDA 2822M

1.5Vto6V

1.2Vto6V

3 V to 15 V

1.8 V to 15 V

TDA2822M

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

TDA2822M

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MINIDIP PACKAGE MECHANICAL DATA

DIM. mm inch

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

TDA2822M

10/11

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

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TDA2822M

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