tda 2822n(1).pdf

(419 KB) Pobierz
®
TDA2822D
DUAL LOW-VOLTAGE POWER AMPLIFIER
SUPPLY VOLTAGE DOWN TO 1.8V
LOWCROSSOVER DISTORTION
LOW QUIESCENT 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
ABSOLUTE MAXIMUM RATINGS
Symbol
V
S
I
O
P
tot
T
stg
, T
j
Supply Voltage
Peak Output
Total Power Dissipation T
amb
= 50°C
Storage and Junction Temperature
Parameter
Value
15
1
0.5
-40 to 150
Unit
V
A
W
°C
SO8
ORDERING NUMBER:
TDA2822D
APPLICATION CIRCUIT
September 2003
1/6
TDA2822D
PIN CONNECTION
(Top view)
THERMAL DATA
Symbol
R
th j-amb
Description
Thermal Resistance Junction-ambient
Max
Value
200
Unit
°C/W
Figure 1:
Stereo Application and Test Circuit
Figure 2:
Bridge Application and Test Circuit
2/6
TDA2822D
ELECTRICAL CHARACTERISTICS
(V
S
= 6V; T
amb
= 25°C, unless otherwise specified.
STEREO (Test circuit of fig. 1).
Symbol
V
S
I
d
V
O
I
b
P
O
Parameter
Supply Voltage
Total Quiescent Drain Current
Quiescent Output Voltage
Input Bias Current
Output Power (each channel)
(f = 1KHz, d = 10%)
R
L
= 32Ω
Test Condition
Min.
1.8
Typ.
Max.
15
15
Unit
V
mA
V
V
nA
V
S
= 3V
V
S
= 9V
V
S
= 6V
V
S
= 4.5V
V
S
= 3V
V
S
= 2V
V
S
= 6V
V
S
= 6V
V
S
= 4.5V
V
S
= 3V
P
O
= 40mW
P
O
= 75mW
P
O
= 150mW
R
L
= 16Ω
R
L
= 8Ω
R
L
= 4Ω
d
Distortion
R
L
= 32Ω
R
L
= 16Ω
R
L
= 8Ω
f = 1KHz
170
300
G
V
∆G
V
R
i
e
N
SVR
C
s
Closed Loop Voltage Gain
Channel Balance
Input Resistance
Total Input Noise
Supply Voltage Rejection
Channel Separation
36
100
2.7
1.2
100
300
120
60
20
5
220
380
320
110
0.2
0.2
0.2
39
mW
41
±1
f = 1KHz
R
s
= 10kΩ B = Curve A
R
s
= 10kΩ B = 22Hz to 22KHz
f = 100Hz
C1 = C2 = 100µF
f = 1KHz
24
2
2.5
30
50
mW
mW
mW
mW
%
%
%
dB
dB
KΩ
µV
µV
dB
dB
BRIDGE (Test circuit of fig.2)
V
S
I
d
V
os
I
b
P
O
Supply Voltage
Total Quiescent Drain Current
Output Offset Voltage (between
the outputs)
Input Bias Current
Output Power
(f = 1KHz, d = 10%)
1.8
R
L
=
∞
R
L
= 8Ω
100
1000
400
200
65
8
800
120
700
220
350
80
0.2
39
2.5
3
40
120
15
15
±80
V
mA
mV
nA
d
G
V
R
i
e
N
SVR
B
Distortion
Closed Loop Voltage Gain
Input Resistance
Total Input Noise
Supply Voltage Rejection
Power Bandwidth (-3dB)
V
S
= 9V
V
S
= 6V
R
L
= 32Ω V
S
= 4.5V
V
S
= 3V
V
S
= 2V
R
L
= 16Ω V
S
= 6V
RL = 16W
V
S
= 3V
R
L
= 8Ω
V
S
= 4.5V
RL = 8W
V
S
= 3V
R
L
= 4Ω
V
S
= 3V
RL = 4W
V
S
= 2V
R
L
= 8Ω P
O
= 0.5W f = 1KHz
f = 1KHz
f = 1KHz
R
s
= 10kΩ B = Curve A
R
s
= 10kΩ B = 22Hz to 22KHz
f = 100Hz
R
L
= 8Ω P
O
= 1W
320
50
mW
100
mW
mW
mW
mW
mW
mW
%
dB
KΩ
µV
µV
dB
KHz
3/6
TDA2822D
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)
4/6
TDA2822D
DIM.
MIN.
A
a1
a2
a3
b
b1
C
c1
D (1)
E
e
e3
F (1)
L
M
S
3.8
0.4
4.8
5.8
1.27
3.81
4.0
1.27
0.6
8
°
(max.)
0.15
0.016
0.65
0.35
0.19
0.25
0.1
mm
TYP.
MAX.
1.75
0.25
1.65
0.85
0.48
0.25
0.5
0.026
0.014
0.007
0.010
0.004
MIN.
inch
TYP.
MAX.
0.069
0.010
0.065
0.033
0.019
0.010
0.020
OUTLINE AND
MECHANICAL DATA
45° (typ.)
5.0
6.2
0.189
0.228
0.050
0.150
0.157
0.050
0.024
0.197
0.244
SO8
(1) D and F do not include mold flash or protrusions. Mold flash or
potrusions shall not exceed 0.15mm (.006inch).
5/6

Plik z chomika:

Inne pliki z tego folderu:

Inne foldery tego chomika:

Zgłoś jeśli naruszono regulamin