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PDF TBA820M Data sheet ( Hoja de datos )

Número de pieza TBA820M
Descripción 1.2W Audio Power Amplifier
Fabricantes Unisonic 
Logotipo Unisonic Logotipo



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No Preview Available ! TBA820M Hoja de datos, Descripción, Manual

UNISONIC TECHNOLOGIES CO.,
TBA820M
LINEAR INTEGRATED CIRCUIT
1.2W AUDIO POWER
AMPLIFIER
„ DESCRIPTION
The UTC TBA820M is a monolithic integrated audio
amplifier. It is designed for audio frequency class b amplifier.
„ FEATURES
*Wide operating supply voltage: Vcc=3~14V
*Medium output power
POUT=1.2W at Vcc=9V,RL=8, THD=10%
*Low quiescent circuit current: IQ=4mA(type)
*Good ripple rejection.
*Minimum number of external parts required.
„ ORDERING INFORMATION
Order Number
Lead Free
Halogen Free
TBA820ML-S08-R
TBA820MG-S08-R
TBA820ML-S08-T
TBA820MG-S08-T
TBA820ML-D08-T
TBA820MG-D08-T
Package
SOP-8
SOP-8
DIP-8
SOP-8
DIP-8
Packing
Tape Reel
Tube
Tube
www.unisonic.com.tw
Copyright © 2012 Unisonic Technologies Co., Ltd
1
QW-R107-008.D

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TBA820M pdf
TBA820M
„ TYPICAL CHARACTERISTICS
Fig 1 Quienscent circuit current vs
Supply Voltage
VIN=0
8
4
0
0 4 8 12 16 20
Supply Voltage(V)
LINEAR INTEGRATED CIRCUIT
Fig 2 Output power vs Supply Voltage
2.0
1.6 RL=8
RL=4
RL=16
1.2
0.8
0.4
0
0
THD=10%
f=1kHz
RF=120
4 8 12 16
Supply Voltage(V)
20
Fig 3 Total harmonic Distortion vs Output power
Vcc=9V
RL=8
16 RF=120
f=1kHz
12
Fig 4 Voltage Gain vs Feedback resistance
Vcc=9V
RL=8
80 f=1kHz
60
8 40
4
0
0 0.4 0.8 1.2 1.6
Output Power(W)
20
0
0
50 100
150
Feedback Resistance( )
Fig 5 Power Dissipation vs Output power
0.5
0.25
Fig 6 Power Dissipation vs Supply Voltage
1.0
RL=4
0.5
RL=8
RL=16
Vcc=9V
RL=8
f=1kHz
0
0 0.4 0.8 1.2 1.6 2.0
Output Power(W)
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
0
0
48
12 16 20
Supply Voltage(V)
5
QW-R107-008.D

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