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NOT FOR NEW DESIGN
■WIDE SUPPLY VOLTAGE RANGE: 3 TO 30V
■SINGLE OR SPLIT SUPPLY OPERATION
■VERY LOW CURRENT CONSUMPTION:
0.8mA
■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.
ORDER CODE
N = Dual in Line Package (DIP
PIN CONNECTIONS (top view)
Part Number Temperature Range
Package
ND
TDA2320A -40°C, +105°C ••
Example : TDA2320AN
N
DIP8
(Plastic Package)
D
SO8
(Plastic Micropackage)
Inverting Input 2
Non-inverting Input 2
Non-inverting Input 1
-
CC
V
1
2
3
4
8
5
6
7
CC
V
+
-
+
-
+
Output 1
Inverting Input 1 Output
TDA2320A
STEREO AMPLIFIER
March 2005
NOT FOR NEW DESIGN
TDA2320A
2/8
NOT FOR NEW DESIGN
SCHEMATIC DIAGRAM (1/2 TDA2320A)
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
VCC Supply Voltage 36 V
ptot Total Power Dissipation at Tamb = 70°C 1)
1. Power dissipation must be considered to ensure maximum junction temperature (Tj) is not exceeded.
400 mW
Tstg ,TjStorage and Junction Temperature -40 to 150 °C
R1
2kΩ
R16
4kΩ
R2
2kΩ
R5
4kΩ
Q25
Q11 Q2
Q3
R6
4kΩ
Q12
Q13
R11
1kΩ
Q14 Q35
R18
2kΩ
R12
812Ω
VCC
VCC
Q29
Q27
Q21
Q37
Q38
Q28
Q30
Q22
Q36
Q17
R17
4kΩR14
27Ω
R13
27Ω
Output
Q20
Q19
Q23
Q34Q33
R10
45kΩ
R9
15kΩ
R8
150kΩ
R7
15kΩ
Q18
C1
43pF
C2
23pF
Non-inverting
Input
Inverting
Input
Q15
Q32
Q31
Q10
Q9
R4
1.2kΩ
R3
60kΩ
R15
150k
Ω
Q8
Q4
Q6
Q7
Q5
TDA2320A
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NOT FOR NEW DESIGN
ELECTRICAL CHARACTERISTICS
VCC = 15V, Tamb = 25°C (unless otherwise specified)
Symbol Parameter Min. Typ. Max. Unit
VCC Supply Voltage 3 30 V
ICC Supply Current 0.8 2 mA
Iib Input Bias Current 150 500 mV
Vio Input Offset Voltage
Rs ≤ 10kΩ15
mV
Iio Input Offset Current 10 50 nA
Avd
Open Loop Voltage Gain
VCC = 15V f = 333Hz
f = 1kHz
f = 10kHz
f = 1kHz
80
70
50
70
dB
Vopp
Output Voltage Swing (f = 1kHz, RL = 600Ω)
VCC = 15V
VCC = 4.5V
13
2.5
V
GBP Gain-bandwidth Product
f = 200kHz 1.5 2.5 MHz
FPB Power Bandwidth
Vo = 5Vpp, THD = 1% 40 70 kHz
SR Slew Rate (see note 1) 1 1.6 V/µs
en
Equivalent Input Noise Voltage
Curve A Rs = 50Ω
Rs = 600Ω
Rs = 5kΩ
B = 22Hz to 22kHz Rs = 50Ω
Rs = 600Ω
Rs = 5kΩ
f = 1kHz Rs = 600Ω
1
1.1
1.5
1.3
1.5
2
9
µV
µV
µV
µV
µV
nV/√Hz
THD
Distortion (Vo = 2V, AV = 20dB)
f = 1kHz
f = 10kHz
0.03
0.08
%
PSRR Power Supply Rejection Ratio
f = 100Hz 80 dB
Vo1/Vo2 Channel Separation
f = 1kHz 100 dB
µV
TDA2320A
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NOT FOR NEW DESIGN
TDA2320A
5/8
NOT FOR NEW DESIGN
TDA2320A
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NOT FOR NEW DESIGN
Figure 12 : Filter Configuration
Figure 13 : 5th Order Low-pass Filter (Butterworth) with Unity Gain configuration
Figure 14 : 5th Order High-pass Filter (Butterworth) with Unity Gain configuration
C2
R2R1
Vin
C1 Vout
C2
R2R1
C1
Ri
Ci
C4
R4R3
C3
R2
C2
C1
R1
Ri
Ci
R4
C3
R3
C4
TDA2320A
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NOT FOR NEW DESIGN
PACKAGE MECHANICAL DATA
8 PINS - PLASTIC DIP
DIM. mm. inch
MIN. TYP MAX. MIN. TYP. MAX.
A 3.3 0.130
a1 0.7 0.028
B 1.39 1.65 0.055 0.065
B1 0.91 1.04 0.036 0.041
b 0.5 0.020
b1 0.38 0.5 0.015 0.020
D 9.8 0.386
E 8.8 0.346
e 2.54 0.100
e3 7.62 0.300
e4 7.62 0.300
F 7.1 0.280
I 4.8 0.189
L 3.3 0.130
Z 0.44 1.6 0.017 0.063
Plastic DIP-8 MECHANICAL DATA
P001F
TDA2320A
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NOT FOR NEW DESIGN
PACKAGE MECHANICAL DATA
8 PINS - PLASTIC MICROPACKAGE (SO)
DIM. mm. inch
MIN. TYP MAX. MIN. TYP. MAX.
A 1.35 1.75 0.053 0.069
A1 0.10 0.25 0.04 0.010
A2 1.10 1.65 0.043 0.065
B 0.33 0.51 0.013 0.020
C 0.19 0.25 0.007 0.010
D 4.80 5.00 0.189 0.197
E 3.80 4.00 0.150 0.157
e 1.27 0.050
H 5.80 6.20 0.228 0.244
h 0.25 0.50 0.010 0.020
L 0.40 1.27 0.016 0.050
k ˚ (max.)
ddd 0.1 0.04
SO-8 MECHANICAL DATA
0016023/C
8
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of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted
by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject
to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not
authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
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