TDA2320AN TDA2320A.pdf

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STEREO PREAMPLIFIER
TDA2320A
STEREO AMPLIFIER
n
WIDE SUPPLY VOLTAGE RANGE: 3 TO 30V
SINGLE OR SPLIT SUPPLY OPERATION
n
VERY LOW CURRENT CONSUMPTION:
0.8mA
n
VERY LOW DISTORTION: 0.03% TYPICAL
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.
N
DIP8
(Plastic Package)
ORDER CODE
D
SO8
(Plastic Micropackage)
Package
Part Number Temperature Range
ND
TDA2320A
-40
°
C, +105
°
C
•
•
Example : TDA2320AN
N= Dual in Line Package (DIP
PIN CONNECTIONS (top view)
Output 1
1
8
V +
Inverting Input 1
2
-
+
7
Output
Non-inverting Input 1
-
3
-
+
6
Inverting Input 2
Non-inve rting Input 2
CC
4
5
December 2001
1/8
n
CC
V
20664541.002.png
TDA2320A
SCHEMATIC DIAGRAM (1/2 TDA2320A)
V CC
R16
4k W
R1
2k W
R2
2k W
R5
4k
W
R6
4k W
R11
1k W
R18
2k W
Q25
Q13
Q14
Q35
Q11
Q2
Q12
R12
812
W
Q3
Q29
Q21
Q27
Q37
R13
27 W
Inverting
Input
Non-inverting
Input
Q36
Output
Q38
R17
4k W
Q15
R14
27 W
Q22
Q5
C2
23pF
Q28
Q7
Q30
Q31
Q17
Q20
Q4
Q32
Q6
Q8
Q9
Q18
Q19
Q10
Q23
R8
150k W
C1
43pF
Q33
Q34
R15
150k
W
R3
60k
W
R4
1.2k
W
R7
15k
W
R9
15k
W
R10
45k W
V CC
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
V CC
Supply Voltage
36
V
p tot
Total Power Dissipation at T amb =70
°
C 1)
400
mW
T stg ,T j Storage and Junction Temperature
-40 to 150
°
C
1.
Power dissipation must be considered to ensure maximum junction temperature (Tj) is not exceeded.
2/8
20664541.003.png
TDA2320A
ELECTRICAL CHARACTERISTICS
V CC = 15V, T amb =25
°
C (unless otherwise specified)
Symbol
Parameter
Min.
Typ.
Max.
Unit
V CC
Supply Voltage
3
30
V
I CC
Supply Current
0.8
2
mA
I ib
Input Bias Current
150
500
mV
V io
Input Offset Voltage
R s 3
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
f = 1kHz
80
70
50
70
dB
Output Voltage Swing (f = 1kHz, R L = 600
)
V CC = 15V
V CC = 4.5V
W
V opp
13
2.5
V
GBP
Gain-bandwidth Product
f = 200kHz
1.5
2.5
MHz
FPB
Power Bandwidth
V o =5V pp ,THD=1%
40
70
kHz
SR
Slew Rate (see note 1)
1
1.6
V/
m
s
Equivalent Input Noise Voltage
Curve A
W
Rs = 600
1
1.1
1.5
1.3
1.5
2
9
m
V
W
m
V
Rs = 5k
W
V
m V
m
e n
B = 22Hz to 22kHz
W
Rs = 600
W
V
Rs = 5k
W
m
V
f = 1kHz
Rs = 600
W
nV/
/
Hz
Distortion (V o = 2V, A V = 20dB)
THD
f = 1kHz
f = 10kHz
0.03
0.08
%
PSRR
Power Supply Rejection Ratio
f = 100Hz
80
dB
V o1 /V o2
Channel Separation
f = 1kHz
100
dB
3/8
10k
Rs = 50
m
Rs = 50
20664541.004.png
TDA2320A
4/8
20664541.005.png
TDA2320A
5/8
20664541.001.png

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