Technical Data Sheet

TDA7233
1W AUDIO AMPLIFIER WITH MUTE
1
FEATURES
„
OPERATING VOLTAGE 1.8 TO 15 V
„
EXTERNAL MUTE OR POWER DOWN
FUNCTION
„
IMPROVED SUPPLY VOLTAGE REJECTION
„
LOW QUIESCENT CURRENT
„
HIGH POWER CAPABILITY
„
LOW CROSSOVER DISTORTION
2
DESCRIPTION
The TDA7233/D is a monolithic integrated circuit
in 8 pin Minidip or SO8 package, intended for use
as class AB power amplifier with a wide range of
supply voltage from 1.8V to 15V in portable players, cordless telephones and Cellular Radios.
Figure 1. Package
Minidip
SO8
Table 1. Order Codes
Part Number
Package
TDA7233
Minidip
TDA7233D
SO8
Figure 2. Pin Connection
May 2010
REV. 4
1/8
TDA7233
Table 2. Absolute Maximum Ratings
Symbol
Parameter
Value
Unit
VS
Supply Voltage
16
V
Ptot
Total Power Dissipation at Tamb = 50 °C
1
W
IO
Tstg, Tj
Output Peak Current
Storage and Junction Temperature
1
A
-40 to 150
°C
Figure 3. PIN CONNECTIONS (top view)
Minidip
SO8
Table 3. Thermal Data
Symbol
Rth j-amb
Parameter
Thermal Resistance Junction-ambient
Max.
SO8
MInidip
Unit
200
100
°C/W
Table 4. Electrical Characteristcs (Vs = 6 V, Tamb = 25 °C, unless otherwise specified)
Symbol
Parameter
VS
Supply Voltage
VO
Quiescent Output Voltage
Id
Quiescent Drain Current
Ib
Input Bias Current
PO
Output Power
Test Condition
Min.
1.8
Vs = 3 V
Vs = 9 V
2.7
1.2
4.2
MUTE HIGH
3.6
MUTE LOW
d
Distortion
d = 10%; f = 1kHz
Vs = 12V; RL = 8Ω
Vs = 9V; RL = 4Ω
Vs = 9V; RL = 8Ω
Vs = 6V; RL = 8Ω
Vs = 6V; RL = 4Ω
Vs = 3V; RL = 4Ω
Vs = 3V; RL = 8Ω
Po = 0.5W; f = 1KHz; RL = 8Ω
Vs = 9V
Max.
Unit
15
V
V
9
mA
0.4
mA
100
nA
1.9
1.6
1
0.4
0.7
110
70
W
W
W
W
W
mW
mW
0.3
%
Gv
Closed Loop Voltage Gain
f = 1KHz;
Rin
Input Resistance
f = 1KHz;
eN
Total Input Noise
Rs = 10KΩ; B = Curve A
Rs = 10KΩ; B = 22Hz to 22KHz
2
3
µV
µV
Supply Voltage Rejection
f = 100Hz; Rg = 10KΩ
45
dB
MUTE Attenuation
Vo = 1V; f = 100Hz to 10KHz;
70
dB
SVR
MUTE Threshold
IM
2/8
Typ.
MUTE Current
Vs = 15V
39
100
dB
KΩ
0.6
V
0.4
mA
TDA7233
Figure 4. Output Power versus Supply Voltage
Figure 5. Supply Voltage Rejection versus
Frequency
Figure 7. Quiescent Current versus Supply
Voltage
Figure 8. Total Power Dissipated versus
Supply Voltage
Figure 6. DC Output Voltage versus Supply
Voltage
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TDA7233
3
PACKAGE MECHANICAL DATA
In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK®
packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark.
4/8
TDA7233
Figure 9. Minidip Mechanical Data & Package Dimensions
mm
inch
DIM.
MIN.
A
TYP.
MAX.
MIN.
3.32
TYP.
MAX.
0.131
a1
0.51
B
1.15
1.65
0.045
0.065
b
0.356
0.55
0.014
0.022
b1
0.204
0.304
0.008
0.012
0.020
D
E
10.92
7.95
9.75
0.430
0.313
0.384
e
2.54
0.100
e3
7.62
0.300
e4
7.62
0.300
F
6.6
0.260
I
5.08
0.200
L
Z
3.18
OUTLINE AND
MECHANICAL DATA
3.81
1.52
0.125
0.150
Minidip
0.060
5/8
TDA7233
Figure 10. SO8 Mechanical Data & Package Dimensions
mm
inch
DIM.
MIN.
TYP.
A
A1
0.100
MAX.
MIN.
TYP.
MAX.
1.750
0.0689
0.250 0.0039
0.0098
A2
1.250
0.0492
b
0.280
0.480 0.0110
0.0189
c
0.170
0.230 0.0067
0.0091
D (1)
4.800
4.900
5.000 0.1890 0.1929 0.1969
E
5.800
6.000
6.200 0.2283 0.2362 0.2441
3.800
3.900
4.000 0.1496 0.1535 0.1575
(2)
E1
e
1.270
0.0500
h
0.250
0.500 0.0098
0.0197
L
0.400
1.270 0.0157
0.0500
L1
k
ccc
1.040
0˚
OUTLINE AND
MECHANICAL DATA
0.0409
8˚
0.100
0˚
8˚
0.0039
Notes: 1. Dimensions D does not include mold flash,
protrusions or gate burrs.
Mold flash, potrusions or gate burrs shall not
exceed 0.15mm in total (both side).
2. Dimension “E1” does not include interlead flash
or protrusions. Interlead flash or protrusions shall
not exceed 0.25mm per side.
SO-8
0016023 D
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TDA7233
4
REVISION HISTORY
Table 5. Revision History
Date
Revision
Description of Changes
September 2003
3
No recorded changes
03-May-2010
4
Updated title and added environmental compliance statement for
package
7/8
TDA7233
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