ANPEC APA2822 Service Manual
查询APA2822供应商
APA2822
Dual Low-Voltage Power Amplifier
Features General Description
••
• Supply Voltage Down to 1.8V
••
••
• Low Crossover Distortion
••
••
Low Quiescent Current
•
••
••
• Bridge-tied or Stereo(Single-ended) Configura-
••
tions
••
Both DIP-8 and SOP-8 packages available
•
••
Applications
••
• Audio Amplifiers
••
••
• Active Speakers
••
••
• Sound Cards
••
••
• Filters
••
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• Analog Circuit
••
The APA2822 is a monolithic integrated circuit in 8lead PDIP package. It is intended for use as dual
audio power amplifier in portable cassette players,
active speakers, and radios.
Pin Description
Output (1)
Supply Voltage
Output (2)
Ground
1
2
3
4
8
7
6
5
Input (1)
Input (1)
Input (2)
Input (2)
Ordering Information
APA 2822
Handling Code
Temp. Range
Package Code
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Copyright ANPEC Electronics Corp.
Rev. A.2 - Jan., 2001
Package Code
J : PDIP - 8 K : SOP - 8
Temp. Range
C : 0 to +70 C
Handling Code
TU : Tube
°
www.anpec.com.tw1
APA2822
Absolute Maximum Ratings
Symbol
V
CC
I
O
V
I
P
TOT
T
STG , TJ
Supply Voltage 15 V
Peak Output Current 1 A
Input Voltage 15 V
Power Dissipation at T
at T
Storage and Junction Temperature Range -40 to +150
Parameter Rating Unit
= 50°C
AMB
= 50°C
CASE
Thermal Data
Symbol
R
TH J-AMB
R
TH J-CASE
Thermal Resistance Junction-Ambient Max. 100
Thermal Resistance Junction-Pin Max. 70
Electrical Characteristics
Symbol Parameter Test Conditions
STEREO (test circuit of Figure 1)
V
Supply Voltage 1.8 15 V
S
V
Quiescent Output Voltage
O
I
Quiescent Drain Current 6 mA
D
I
Input Bias Current 100 nA
B
P
Output Power
O
(f = 1kHz, d = 10%)
Parameter Rating Unit
(VS= 6V , TA = 25°C, unless otherwise specified)
V
=3V
S
V
RL =32
Ω
= 9V 300
S
VS = 6V 120
VS = 4.5V
VS =3V
VS = 2V
V
RL =16
RL =8
Ω
Ω
= 6V
S
V
= 9V 1000
S
VS = 6V 380
V
RL =4
Ω
= 6V
S
VS = 4.5V
= 3V 110
V
S
1
1.4
APA2822
Min. Typ. Max.
2.7
1.2
60
20
5
220
650
320
°
W
C
°
°
C/ W
C/ W
Unit
V
mW
Copyright ANPEC Electronics Corp.
Rev. A.2 - Jan., 2001
www.anpec.com.tw2
APA2822
µ
Electrical Characteristics Cont. (V
S
Symbol Parameter Test Conditions
Distortion (f = 1kHz)
d
R
R
R
=32
L
=16
L
= 8
L
Ω
Ω
Ω
PO = 40mW
PO = 75mW
PO = 150mW
STEREO (test circuit of Figure 1)
G
Closed Loop Voltage Gain f = 1kHz 39 dB
V
Channel Balance
G
V
∆
R
Input Resistance f = 1kHz 100
I
e
Total Input Noise
N
SVR Supply Voltage Rejection
C
Channel Separation f = 1kHz 50
s
= 10kΩB = 22Hz to 22kHz
R
S
f = 100Hz, C1 = C2 = 100µF
BRIDGE (test circuit of Figure 2)
V
S
Supply Voltage 1.8 15 V
I
D
Quiescent Drain Current
V
Output Offset V oltage
OS
(between the outputs)
I
Input Bias Current 100 nA
B
P
Output Power
O
(f = 1kHz, d = 10%)
=8
R
L
=8
R
L
RL =32
Ω
Ω
Ω
V
S
V
S
V
S
= 9V
= 6V
= 4.5V
VS =3V
V
= 2V
S
V
= 9V
S
V
S
V
S
V
S
V
S
V
S
V
S
V
S
V
S
= 6V
= 3V
= 6V
= 4.5V
= 3V
= 4.5V
= 3V
= 2V
d
G
V
R
J
e
N
SVR
B
RL =16
RL =8
R
Distortion P
Ω
Ω
=4
L
Ω
= 0.5W, RL =8Ω, f = 1kHz
O
Closed Loop Voltage Gain f = 1kHz
Input Resistance f = 1kHz
Total Input Noise RS =10kΩ, B = 22Hz to 22kHz
Supply Voltage Rejection f = 100Hz
Power Bandwidth (-3dB) R
=8Ω, PO = 1W
L
= 6V , TA = 25°C, unless otherwise specified)
APA2822
Min. Typ. Max.
0.2
Unit
%
0.2
0.2
k
dB
Ω
V
2.5
1
±
30 dB
69mA
mV
mW
1000
50
±
400
200
65
8
2000
800
120
1350
700
220
1000
350
80
0.2 %
39 dB
100 k
3
30
µ
dB
Ω
V
120 kHz
Copyright ANPEC Electronics Corp.
Rev. A.2 - Jan., 2001
www.anpec.com.tw3
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