TDA2822 [TGS]
DUAL POWER AMPLIFIER; 双功放
| 型号： | TDA2822 |
| 厂家： | 
Tiger Electronic Co.,Ltd |
| 描述： | DUAL POWER AMPLIFIER |
| 文件： | 总7页 (文件大小：222K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TIGER ELECTRONIC CO.,LTD
DUAL POWER AMPLIFIER TDA2822
GENERAL DESCRIPTION
Outline Drawing
The TDA2822 is a monolithic integrated circuit in
8 lead Minidip package. It is intended for use as
dual audio power amplifier in portable cassette
tape players and radios.
FEATURES
T D A 2822
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Dual Low-voltage power amplifier
Supply voltage down to 1.8V
Low crossover distortion
DIP8
Low quiescent current
Bridge or stereo configuration
T D A 2822
BLOCK DIAGRAM
IN1
7
NF2
5
NF1
8
IN2
6
_
_
SOP8
+
+
BIAS
CIRCUIT
2
3
4
1
2
OUTPUT(1)
1
INPUT-(1)
INPUT+(1)
8
7
GND
OUT1 Vcc
OUT2
Vcc
T D A 2822
PINNING
6
5
3
4
INPUT+(2)
INPUT-(2)
OUTPUT(2)
GROUND
1/7
T D A 2822
MAXIMUM RATINGS
Characteristics
Symbol
Vcc
Ipk
Value
Unit
V
Supply Voltage
15
Output Peak Current
1
1
A
Total Power Dissipation(at Tamb=50°C)
Total Power Dissipation(at Tcase=50°C)
Operating Ambient Temperature Range
Storage Temperature Range
PD
W
PD
1.4
W
Ta
-20~70
-40~150
°C
°C
Tstg
ELECTRICAL CHARACTERISTICS
1. Stereo Test Circuit(Unless otherwise specified Vcc=6V,Tamb=25°C)
Characteristic
Supply Voltage
Symbol
Vcc
Test Condition
Min. Typ. Max. Unit
1.8
15
V
V
V
2.7
1.2
Quiescent Output
Voltage
Vo
Vcc=3V
Quiescent Drain
Current
Id
6
9
mA
nA
Input Bias Current
IBA
100
d=10%
f=1kHz
Vcc=3V RL=4Ω
110
20
mW
Vcc=3V
d=10%
RL=32Ω
Output Power
(Each Channel)
f=1kHz
Po
Vcc=9V RL=8Ω
Vcc=6V RL=4Ω
1
W
0.4 0.65
0.32
Vcc=4.5V RL=4Ω
Po=0.5W RL=8Ω
f=1kHz Vcc=9V
Distortion
THD
Avf
0.3
40
%
Closed Loop Voltage
Gain
f=1kHz
dB
Channel Balance
Input Resistance
±1
dB
kΩ
μ V
∆Avf
Ri
f=1kHz
100
Rs=10kΩ B=Cure A
Rs=10kΩ B=22Hz to22kHz
2
Total Input Noise
VNI
3
Supply Voltage
rejection
SVR
CSR
f=100Hz C1=C2=100μ F
24
30
50
dB
dB
Channel Separation
f=1kHz
2/7
T D A 2822
2.Bridge Test Circuit (Unless otherwise specified Vcc=6V,Tamb=25°C)
Sym
-bol
Characteristic
Test Condition
Min. Typ. Max. Unit
Supply Voltage
Vcc
Id
1.8
15
9
V
Quiescent Drain Current
6
mA
RL=∞
Output Offset Voltage
(Between the Outputs)
Vos RL=8Ω
±50 mV
Input Bias Current
Output Power
Distortion
Ib
100
nA
d=10% f=1kHz
Vcc=9V RL=16Ω
Vcc=6V RL=8Ω
Vcc=4.5V RL=8Ω
Vcc=4.5V RL=4Ω
Vcc=3V RL=4Ω
Vcc=2V RL=4Ω
2
1.35
0.7
1
W
Po
200 350
80
mW
THD Po=0.5W RL=8Ω f=1kHz
0.2
40
%
dB
kΩ
Closed Loop Voltage
Gain
Avf f=1kHz
Input Resistance
Ri
f=1kHz
100
2.5
3
Rs=10kΩ Curve A
Rs=10kΩ B=22Hz to 22kHz
Total Input Noise
VNI
μ V
Supply Voltage
Rejection
SVR f=100Hz
RL=8Ω Po=1W
40
dB
Power Bandwidth (-3dB)
B
120
kHz
3/7
T D A 2822
TEST CIRCUIT
1.STEREO TEST CIRCUIT
+Vcc
2
C3
10uF
IN (L)
7
8
+
_
C4
1
470uF
R1
10K
C6
C1
R3
RL
RL
4.7
IN (R)
6
+
_
C5
470uF
R2
10K
5
3
C7
R4
4.7
C2
4
2.BRIDGE TEST CIRCUIT
+Vcc
C3
10uF
2
IN
7
+
1
R1
-
10K
R2
4.7
8
RL
C4
0.1uF
C1
6
+
10uF
3
5
-
R3
4.7
C2
C5
0.1uF
4
4/7
T D A 2822
APPLICATION CIRCUIT
1. Typical application in portable players
+3V
2
IN (L)
7
8
+
_
100uF
1
10K
32/16
HEADPHONE
4.7
IN (R)
10K
6
5
+
_
100uF
3
4
4.7
2. Application circuit for portable radio receivers
+Vcc=6V
47
0.47uF
100uF
220uF
0.1uF
220uF
LED
680
47nF
1K
0.1uF
47K
IN
47K
47K
2
4
1 3
1315
TEA1330
11
6
14
2
TDA2822
4
33uF
7
+
_
VCO
1
3
STOP 22K
12
9 7
5
10
16
8
8
6
4.7
4
4
0.1uF
47K
220uF
1.0uF
+
_
5K
19K
5
MONITOR
4.7
5/7
T D A 2822
3. Portable radio cassette players
TDA 7220
AM/FM
RADIO
TEA 1330
STEREO
DECODER
TDA7211
FM
TUNER
TDA 2320 A
PRE
AMPLIFIER
TDA2822
AUDIO
AMPLIFIER
SWITCH
32/16
4. Portable stereo radios
TDA7220
TDA7211
TEA 1330
STEREO DECODER
AM/FM
FM
RADIO
TUNER
TDA2822
AUDIO POWER
AMPLIFIER
5. Low cost application for portables
(using only one 100µF output capacitor)
+3V
10uF
2
IN (L)
7
8
+
_
1
3
10K
32/16
4.7
IN (R)
10K
6
5
+
_
4
4.7
6/7
T D A 2822
CHARACTERISTICS CURVES
7/7
相关型号：
©2020 ICPDF网 联系我们和版权申明