TDA2320A.PDF

(157 KB) Pobierz
STEREO PREAMPLIFIER
TDA2320A
STEREO AMPLIFIER
. VERY LOW CURRENT CONSUMPTION
(0.8mA)
. VERY LOW DISTORTION
. NO POP-NOISE
N
DIP8
(Plastic Package)
DESCRIPTION
The TDA2320A is a stereo class A preamplifier in-
tended for application in portable cassette players
and high quality audio systems.
The TDA2320A is a monolithic integrated circuit in
a 8 lead plastic dip.
ORDER CODE : TDA2320AN
PIN CONNECTIONS (top view)
Output 1
1
8
V CC
Inverting Input 1
2
7
Output 2
Non-inverting Input 1
3
6
Inverting Input 2
GND
4
5
Non-inverting Input 2
March 1994
1/12
. SINGLE OR SPLIT SUPPLY OPERATION
. WIDE SUPPLY VOLTAGE RANGE (3 to 36V)
11044825.002.png
TDA2320A
SCHEMATIC DIAGRAM (1/2 TDA2320A)
Inverting
Input
Non-inverting
Input
V CC
R1
R3
R5
R6
Q6
Q8
Q13
Q3
Q11
R7
D3
Q14
D5
Q9
Output
Q4
R8
Q5
Q7
Q16
Q2
C2
Q12
Q15
D1
Q17
Q1
D4
Q10
D2
C1
R2
R4
GND
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V CC
Supply Voltage
36
V
P tot
Total Power Dissipation at T amb =70 o C
400
mW
T stg ,T j Storage and Junction Temperature
–40 to 150
o C
2/12
11044825.003.png
TDA2320A
ELECTRICAL CHARACTERISTICS
V CC = 15V, T amb =25 o C (unless otherwise specified) (refer to the test circuits)
Symbol
Parameter
Min.
Typ.
Max.
Unit
V CC
Supply Voltage (*)
3
36
V
I CC
Supply Current (*)
0.8
2
mA
I ib
Input Bias Current
150
500
nA
V io
Input Offset Voltage
R s
10k
W
1
5
mV
I io
Input Offset Current
10
50
nA
A vd
Open Loop Voltage Gain
V CC = 15V
f = 333Hz
f = 1kHz
f = 10kHz
80
70
50
70
dB
V CC = 4.5V
f = 1kHz
V OPP
Output Voltage Swing (f = 1kHz, R L = 600
W
) (*)
V
V CC = 15V
V CC = 4.5V
13
2.5
GBP
Gain-bandwidth Product
f = 20kHz
1.5
2.5
MHz
FBP
Power Bandwidth (*)
V o =5V PP , THD = 1%
40
70
kHz
SR
Slew Rate (*)
1
1.6
V/
m
s
THD
Distortion (V o = 2V, A V = 20dB) (*)
f = 1kHz
f = 10kHz
0.03
0.08
%
e n
Equivalent Input Noise Voltage (**)
Curve A
m
V
W
R s = 600
1
1.1
1.5
1.3
1.5
2
9
W
1.4
R s =5k
B = 22Hz to 22kHz
W
R s = 600 W
R s =5k
f = 1kHz
R s = 600
W
nV
/```
V O1 /V 02
Channel Separation (**)
f = 1kHz
100
dB
SVR
Supply Voltage Rejection Ratio(**)
f = 100Hz
80
dB
(*) Test circuit of figure 1
(**) Test circuit of figure 2
3/12
3
R s =50
W
R s =50
W
Hz
11044825.004.png
TDA2320A
TYPICAL APPLICATION
STEREO PREAMPLIFIER FOR CASSETTE PLAYERS
18k
W
V CC
22
m
F
0.1
m
82k W
4.7
m
F
0.3mV
5
8
TAPE
HEAD
220pF
1/2
TDA2320A
7
1 m F
100k W
6
4
20k
W
180k W
15k
W
10nF
150 W
22
m
F
18k
W
22
m
F
82k W
4.7
m
F
0.3mV
3
220pF
1/2
TDA2320A
1
1
m
F
TAPE
HEAD
100k
W
2
20k
W
180k
W
15k
W
10nF
150
W
22
m
F
TEST CIRCUITS
Figure 1
Figure 2
V CC
+7.5V
22 m F
18k W
0.1 m F
0.1
m
F
82k W
0.22 m F
220pF
1/2
TDA2320A
IN
R s
OUT
220pF
1/2
TDA2320A
1 m F
100k W
OUT
22k W
0.1
m
F
Rx
-7.5V
150 W
3.3k W
33
W
47 m F
4/12
F
11044825.005.png
TDA2320A
Figure 3 : Supply Current versus Supply
Voltage
Figure 4 : Supply Current versus Ambient
Temperature
Figure 5 : Output Voltage Swing versus
Load Resistance
Figure6: Power Bandwidth
Figure 7 : Total Harmonic Distortion
versusOutput Voltage
Figure8: Total Input Noise versus Source
Resistance
5/12
11044825.001.png

Plik z chomika:

Inne pliki z tego folderu:

Inne foldery tego chomika:

Zgłoś jeśli naruszono regulamin