TDA2822D
DUAL LOW-VOLTAGE POWER AMPLIFIER
SUPPLY VOLTA G E DO W N TO 1.8V
LOWCROSSOVER DISTORTION
LOW QUIES CEN T CURRENT
BRIDGE OR STEREO CONFIGURATION
DESCRIPTION
The TDA2822D is a monolithic integrated circuit
in 8 lead ( SO-8) package. It is intended for use as
dual audio power amplifier in portable cassette
players, radios and CD players
September 2003
®
APPLICATION CIRCUIT
SO8
ORDERING NUMBER: TDA2822D
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
VSSupply Voltage 15 V
IOPeak Output 1 A
Ptot Total Power Dissipation Tamb = 50°C 0.5 W
Tstg, TjStorage and Junction Temperature -40 to 150 °C
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THERMAL DATA
Symbol Description Value Unit
Rth j-amb Thermal Resistance Junction-ambient Max 200 °C/W
PIN C ONNECTION (Top view)
Figure 1: Stereo Application and Test Circuit
Figure 2: Bridge Application and Test Circuit
TDA2822D
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ELECTRICA L CHARACTERI STICS (V S = 6V; Tamb = 25°C, unless otherwise specified.
STEREO (Test circuit of fig. 1).
Symbol Parameter Test Condition Min. Typ. Max. Unit
VSSupply Voltage 1.8 15 V
IdTotal Quiescent Drain Current 15 mA
VOQuiescent Output Voltage 2.7 V
VS = 3V 1.2 V
IbInput Bias Current 100 nA
POOutput Power (each channel)
(f = 1KHz, d = 10%) VS = 9V
VS = 6V
RL = 32Ω VS = 4.5V
VS = 3V
VS = 2V
300
120
60
20
5
mW
RL = 16Ω VS = 6V 170 220 mW
RL = 8Ω VS = 6V 300 380 mW
RL = 4Ω VS = 4.5V
VS = 3V 320
110 mW
mW
d Distortion RL = 32Ω PO = 40mW 0.2 %
RL = 16Ω PO = 75mW 0.2 %
RL = 8Ω PO = 150mW 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 = 10kΩ B = Curve A 2 µV
Rs = 10kΩ B = 22Hz to 22KHz 2.5 µV
SVR Supply Voltage Rejection f = 100Hz C1 = C2 = 100µF24 30 dB
C
sChannel Separation f = 1KHz 50 dB
BRIDGE (Test circuit of fig.2)
VSSupply Voltage 1.8 15 V
IdTotal Quiescent Drain Current RL = ∞15 mA
Vos Output Offset Voltage (between
the outputs) RL = 8Ω ±80 mV
IbInput Bias Current 100 nA
POOutput Power
(f = 1KHz, d = 10%) VS = 9V
VS = 6V
RL = 32Ω VS = 4.5V
VS = 3V
VS = 2V
320
50
1000
400
200
65
8
mW
RL = 16Ω VS = 6V
RL = 16W VS = 3V 800
120 mW
mW
RL = 8Ω VS = 4.5V
RL = 8W VS = 3V 700
220 mW
mW
RL = 4Ω VS = 3V
RL = 4W VS = 2V 350
80 mW
mW
d Distortion RL = 8Ω PO = 0.5W f = 1KHz 0.2 %
GVClosed Loop Voltage Gain f = 1KHz 39 dB
RiInput Resistance f = 1KHz 100 KΩ
eNTotal Input Noise Rs = 10kΩ B = Curve A 2.5 µV
Rs = 10kΩ B = 22Hz to 22KHz 3 µV
SVR Supply Voltage Rejection f = 100Hz 40 dB
B Power Bandwidth (-3dB) RL = 8Ω PO = 1W 120 KHz
TDA2822D
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Figure 3: Supply Voltage Rejection vs. Fre-
quency Figure 4: Output Power vs. Supply Voltage (THD
= 10%, f = 1KHz Stereo)
Figure 5: Total Power Dissipation vs. Output
Power (Bridge) Figure 6: Total Power Dissipation vs. Output
Power (Bridge)
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DIM. mm inch
MIN. TYP. MAX. MIN. TYP. MAX.
A 1.75 0.069
a1 0.1 0.25 0.004 0.010
a2 1.65 0.065
a3 0.65 0.85 0.026 0.033
b 0.35 0.48 0.014 0.019
b1 0.19 0.25 0.007 0.010
C 0.25 0.5 0.010 0.020
c1 45° (typ.)
D (1) 4.8 5.0 0.189 0.197
E 5.8 6.2 0.228 0.244
e 1.27 0.050
e3 3.81 0.150
F (1) 3.8 4.0 0 .15 0.157
L 0.4 1.27 0.016 0.050
M 0.6 0.024
S8° (max.)
(1) D and F do not include mold flash or protrusions. Mold flash or
potrusions shall not exceed 0.15mm (.006inch).
SO8
OUTLINE AND
MECHANICAL DATA
TDA2822D
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TDA2822D
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