AVICTEK AV2822

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AV2822
DUAL LOW VOLTAGE POWER AMPLIFIER
DESCRIPTION
The AV2822 is a monolithic integrated circuit in (8-Pin)
dip plastic dual in line package,intended for use as dual
audio power amplifier in portable cassette players and
radios.
FEATURES
Supply voltage down to 3V.
Low crossover distortion.
Low quiescent circuit current.
Bridge or stereo configuration.
PIN CONFIGURATIONS
1
8
NF1
2
7
INPUT1
OUTPUT2
3
6
INPUT2
GND
4
5
NF2
OUTPUT1
Vcc
BLOCK DIAGRAM
Vcc
INPUT1
OUTPUT1
NP1
INPUT2
OUTPUT2
NP2
GND
ORDERING INFORMATION
PIN
SYMBOL
PIN
SYMBOL
1
1OUT
5
2IN-
2
VCC
6
2IN+
3
2OUT
7
1IN+
4
GND
8
1IN-
Copyright © Avic Electronics Corp.
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Website: http://www.avictek.com
@vic
AV2822
ABSOLUTE MAXIMUM RATINGS(Tamb=25°C, unless otherwise specified)
PARAMETER
SYMBOL
MIN
MAX
UNIT
Supply
VCC
-
15
V
Output current
Io
-
1
A
-
1
-20
-40
1.4
70
150
TA=50°C
Power Dissipation
Tcase=50°C
Tamb
Tstg
Operatiing Temperature
Storage Temperature
PD
W
°C
°C
ELECTRICAL CHARACTERISTICS (stereo configuration)
(Vcc=6V,Tamb=25°C ,unless otherwise specified).
PARAMETER
SYMBOL
Supply Voltage
Vcc
Quiescent Output
Voltage
Vo
Quiescent Drain
Current
Input Bias Current
TEST CONDITIONS
MIN
TYP
MAX
UNIT
1.8
-
15
V
-
2.7
-
-
1.2
-
-
6
9
mA
90
15
170
300
450
100
300
120
60
20
5
220
1000
380
650
-
nA
Vcc=9V
Vcc=6V
Vcc=4.5V
Vcc=3V
Vcc=2V
Vcc=6V
Vcc=9V
Vcc=6V
Vcc=6V
Vcc=4.5V
-
320
-
Vcc=3V
,Vcc=9V
-
110
-
-
0.3
-
%
-
40
-
dB
-
-
100
-
-
-
2
-
Rs=10 K ,B=22Hz-22kHz
-
3
-
Vcc=3V
Icc
Iba
RL=32
Output Power
Po
F=1kHz,
THD=10
%
RL=16
RL=8
RL=4
Toltal Harmonic
Distortion
Closed Loop
Voltage Gain
Channel Balance
Input Resistance
THD
Po=0.5W,f=1kHz,RL=8
Avf
F=1kHz
Av
Ri
F=1kHz
Total Input Noise
Vni
Rs=10 K
V
mW
1
dB
K
uV
Ripple Rejection
Srip
F=100Hz,C1=C2=100uF
24
30
-
dB
Channel
Separation
CSR
F=1kHz,
-
50
-
dB
Copyright © Avic Electronics Corp.
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Website: http://www.avictek.com
@vic
AV2822
ELECTRICAL CHARACTERISTICS (BTL configuration)
(Vcc=6V,Tamb=25°C ,unless otherwise specified).
PARAMETER
Supply Voltage
Quiescent Drain
Current
Output Offset
Voltage
Input Bias
Current
SYMBOL
TEST CONDITIONS
Vcc
Total Input Noise
Ripple Rejection
Bandwith
MAX
UNIT
1.8
-
15
V
RL=
-
6
9
mA
Vos
RL=8
-50
-
50
mV
-
100
-
nA
Vcc=9V
Vcc=6V
Vcc=4.5V
Vcc=3V
Vcc=2V
Vcc=9V
Vcc=3V
Vcc=6V
Vcc=4.5V
Vcc=3V
Vcc=4.5V
320
50
900
-
1000
400
200
65
8
2000
120
1350
700
220
1000
-
Vcc=3V
200
350
-
-
80
-
-
0.2
-
%
Iba
Po
F=1kHz,
THD=10
%
RL=16
RL=8
RL=4
Toltal Harmonic
Distortion
Closed Loop
Voltage Gain
Input Resistance
TYP
Icc
RL=32
Output Power
MIN
THD
Vcc=2V
Po=0.5W,f=1kHz,RL=8
mW
Avf
F=1kHz
-
40
-
dB
Ri
F=1kHz
100
-
-
K
Vni
Rs=10 K
Rs=10 K ,B=22Hz-22kHz
-
2.5
3
-
uV
Srip
F=100Hz,C1=C2=100uF
-
40
-
dB
-
120
-
kHz
BWp
Copyright © Avic Electronics Corp.
Po=1W, RL=8
3
Website: http://www.avictek.com
@vic
AV2822
TEST CIRCUIT
1. STEREO
2. BRIDGE
Copyright © Avic Electronics Corp.
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Website: http://www.avictek.com
@vic
AV2822
8
RIPPLE REJECTION (dB)
QUIESCENT CURRENT (mA)
TYPICAL PERFORMANCE CHARACTERISTICS
6
4
2
0
10
C1=C2=22µF
20
30 C1=C2
=100µF
40
0
4
8
12
30
10
16
100
300
1000 3000
FREQUENCY (Hz)
SUPPLY VOLTAGE (V)
SCHEMATIC DIAGRAM
Vcc
OUT2
OUT1
NF1
Copyright © Avic Electronics Corp.
OUTPUT1
OUTPUT2
5
NF2
GND
Website: http://www.avictek.com