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TDA7269A 14W+14W STEREO AMPLIFIER WITH MUTE & ST-BY ■ ■ ■
■ ■ ■ ■ ■
WIDE SUPPLY VOLTAGE RANGE UP TO +20V SPLIT SUPPLY HHIGH OUTPUT POWER 14+14W @THD = 10%, RL= 8Ω, VS = ±16V NO POP AT TURN-ON/OFF MUTE (POP FREE) STAND-BY FEATURE (LOW Iq) SHORT CIRCUIT PROTECTION TO GND THERMAL OVERLOAD PROTECTION
Multiwatt11 ORDERING NUMBER: TDA7269A
DESCRIPTION The TDA7269A is class AB Dual Audio Power amplifier assembled in the Multiwatt package, specially de-
signed for high quality sound application as Hi-Fi music centers and stereo TV sets.
Figure 1. Typical Application Circuit
+VS
15K
1000µF
1µF
MUTE/ ST-BY IN (L)
7
+5V
+
4
OUT (L)
8
IN- (L)
-
1µF
15K
3
5
18K
GND
4.7Ω
18K
9
RL (L)
100nF 560Ω
µP
10
IN- (R)
560Ω 18K
1µF
IN (R)
11
-
2
+ 1
6 -VS
OUT (R) 4.7Ω
RL (R)
100nF
1000µF D94AU085
June 2003
1/9
TDA7269A ABSOLUTE MAXIMUM RATINGS Symbol
Parameter
VS
DC Supply Voltage
IO
Output Power Current (internally limited)
Ptot
Total Power Dissipation (Tamb = 70°C)
Top
Operating Temperature
Tstg, Tj
Storage and Junction Temperature
Value
Unit
±22
V
3
A
40
W
0 to 70
°C
-40 to 150
°C
Value
Unit
2.8
°C/W
PIN CONNECTION (Top view) 11
IN+(1)
10
IN-(1)
9
GND
8
IN-(2)
7
IN+(2)
6
-VS
5
MUTE
4
OUTPUT(2)
3
+VS
2
OUTPUT(1)
1
-VS
TAB CONNECTED TO PIN 6
D95AU316
THERMAL DATA Symbol
Parameter
Rth j-case
Thermal Resistance Junction-case
Max.
Figure 2. Single Supply Application +VS
D1 5.1V R1 10K
R3 15K
C1 1µF
C5 1000µF MUTE
PLAY 5V 0 MUTE
Q1 BSX33 R2 15K
C2 100µF
IN (L)
3
5 7
+
4
OUT (L)
8
IN- (L)
-
C3 1µF
9 C4 1µF
IN (R)
11
C6 0.1µF
C9 470µF
R4 30K R5 1K
+
2
IN- (R)
R8 4.7Ω C7 0.1µF
OUT (L)
C10 470µF
10 1
6 GND
OUT (R)
R6 30K R7 1K
R9 4.7Ω C8 0.1µF
D96AU444A
2/9
OUT (R)
TDA7269A ELECTRICAL CHARACTERISTCS (Refer to the test circuit VS = ±16V; RL = 8Ω; RS = 50Ω; GV = 30dB, f = 1KHz; Tamb = 25°C, unless otherwise specified) Symbol VS
Iq VOS
Parameter Supply Voltage Range
Min.
PO
Output Power
Total Harmonic Distortion
V
RL = 4Ω
±5
±15
V
100
mA
25
mV
60 -25 500
nA
THD = 10%; RL = 8Ω; VS = ±12.5V; RL = 4Ω;
12 8
14 10
W W
THD = 1%; RL = 8Ω; VS = ±12.5V; RL = 4Ω;
9 6
11 7.5
W W
0.03
%
RL = 8Ω; PO = 1W; f = 1KHz;
0.7
RL = 4Ω; PO = 1W; f = 1KHz;
0.02
RL = 4Ω; VS = ±10V; PO = 0.1 to 5W; f = 100Hz to 15KHz; Cross Talk
SR
Slew Rate
GOL
Open Loop Voltage Gain
eN Ri SVR Tj
Total Output Noise
f = 1KHz; f = 10KHz;
% %
1
%
50
70 60
dB dB
6.5
10
V/µs
80
dB
A Curve f = 20Hz to 22KHz
Input Resistance Supply Voltage Rejection (each channel)
Unit
±20
RL = 8Ω; PO = 0.1 to 7W; f = 100Hz to 15KHz;
CT
Max.
±5
Input Offset Voltage Non Inverting Input Bias Current
Typ.
RL = 8Ω
Total Quiescent Current
Ib
THD
Test Condition
3 4 15
f = 100Hz; VR = 0.5V
Thermal Shut-down Junction Temperature
8
µV µV
20
KΩ
60
dB
145
°C
MUTE FUNCTION [ref +VS] (*) VTMUTE AMUTE
Mute /Play threshold
-7
-6
Mute Attenuation
60
70
-3.5
-2.5
-5
V dB
STAND-BY FUNCTIONS [ref: +VS] (only for Split Supply) VTST-BY
Stand-by Mute threshold
AST-BY
Stand-by Attenuation
IqST-BY
Quiescent Current @ Stand-by
-1.5
110 3
V dB
6
mA
(*) In mute condition the current drawn from Pin 5 must be ≤650µA
3/9
TDA7269A MUTE STAND-BY FUNCTION The pin 5 (MUTE/STAND-BY) controls the amplifier status by two different thresholds, referred to +VS. – When Vpin5 higher than = +VS -2.5V the amplifier is in Stand-by mode and the final stage generators are off. – When Vpin5 between +VS -2.5V and +VS -6V the final stage current generators are switched on and the amplifier is in mute mode. – When Vpin5 is lower than +VS -6V the amplifier is play mode. Figure 3. +VS (V) 20
t -VS -20
VIN (mV)
Vpin5 (V) VS VS-2.5 VS-6 VS-10
Iq (mA)
0
VOUT (V)
OFF
PLAY
STDBY
PLAY
OFF
STDBY
STDBY MUTE
4/9
D94AU086
MUTE
MUTE
MUTE
TDA7269A Figure 4. Test and Application Circuit (Stereo Configuration) +VS
R2
C3
MUTE/ ST-BY
Q1
R1
IN (L)
SW1 ST-BY DZ
7
R3
+
4
OUT (L)
8
IN- (L)
-
GND
C5
3
5
C1
R4
C4
+VS
R7
R5
9
RL (L)
C8
R6
SW2 MUTE
10
R9
IN- (R) R8
C2
IN (R)
11
-
2
OUT (R)
+
R10
6
1
-VS C7
RL (R)
C9 C6
D94AU087B
APPLICATION SUGGESTIONS (Demo Board Schematic) The recommended values of the external components are those shown the demoboard schematic different values can be used, the following table can help the designer. COMPONENT
SUGGESTION VALUE
R1
10KΩ
Mute Circuit
Increase of Dz Biasing Current
R2
15KΩ
Mute Circuit
Vpin #5 Shifted Downward
Vpin #5 Shifted Upward
R3
18KΩ
Mute Circuit
Vpin #5 Shifted Upward
Vpin #5 Shifted Downward
R4
15KΩ
Mute Circuit
Vpin #5 Shifted Upward
Vpin #5 Shifted Downward
R5, R8
18KΩ
Closed Loop Gain Setting (*)
Increase of Gain
R6, R9
560Ω
R7, R10
4.7Ω
Frequency Stability
C1, C2
1µF
Input DC Decoupling
C3
1µF
St-By/Mute Time Constant
C4, C6
1000µF
Supply Voltage Bypass
Danger of Oscillations
C5, C7
0.1µF
Supply Voltage Bypass
Danger of Oscillations
C8, C9
0.1µF
Frequency Stability
Dz
5.1V
Mute Circuit
PURPOSE
LARGER THAN RECOMMENDED VALUE
SMALLER THAN RECOMMENDED VALUE
Decrease of Gain Danger of Oscillations
Danger of Oscillations Higher Low Frequency Cutoff
Larger On/Off Time
Smaller On/Off Time
(*) Closed loop gain has to be ≥25dB
5/9
TDA7269A BRIDGE APPLICATION Another application suggestion concerns the Bridge configuration , where the two power amplifiers are connected as shown by the schematic diagrams of figure 5 “Split Power Supply” , and figure 6 “Single Power Supply”. This application shows,however, some operative limits due to dissipation and current capability of the output stage. For this reason we recommend to use the TDA7269A in BTL with the following supply voltages depending on the used load impedance (for the single supply consider double Vs) : ±Vs (V)
Rload (ohm)
14
8
11
6
10
4
The detected characteristics of THD vs Pout are shown in figg: 7, 8 and 9 for the different load impedances. With Rload = 8ohm , Vs = ±14V the maximum output power obtainable is 30W at THD = 10% (fig. 9). With Rload = 6ohm , Vs = ±12V the maximum output power obtainable is 28W at THD = 10% (fig. 8). With Rload = 4ohm , Vs = ±10V the maximum output power obtainable is 20W at THD=10% (fig. 7). We suggest not to exceed the suggested supply voltages in order to avoid the current limiter intervention. Figure 5. Split Power Supply Application Diagram
ST-BY/ MUTE
C3 0.1µF C1
IN
5 7
3 +
R5 4.7Ω 4
-
1µF
R4 560Ω
10
1µF
-
R3 36KΩ
2
+ 1
R6 4.7Ω
6 -VS
D94AU190
6/9
C7 0.1µF
R2 560Ω
9
11
+VS
R1 36KΩ
8
C2
C4 1000µF
C5 0.1µF
C6 1000µF
C9 0.1µF
RL
C8 5.6nF
TDA7269A Figure 6. Single Power Supply Application Diagram
+VS
5.1V 10K
15K
1µF
1000µF MUTE
PLAY 5V 0 MUTE
3
5 7
IN (L)
BSX33
+
4
OUT (L)
8
IN- (L)
-
1µF
15K
30K
4.7Ω 0.1µF
9 100µF
1µF
0.1µF
OUT
1K IN (R)
11
+
2
IN- (R)
30K 10 1
4.7Ω
OUT (R)
0.1µF 1K
6 GND
5.6nF D03AU1518
Figure 7. Distortion vs Output Power
Figure 9. Distortion vs Output Power
THD(%) 10
THD(%) 10
5
5
2 Vs =+/- 10V
1
Rload =4 ohm
0.5
Vs =+/- 14V
1
Rload =8 ohm f=1KHz
0.5
f=1KHz
0.2
2
0.2
0.1
0.1
0.05
0.05
0.02 0.02
0.01 600m
1
2
3
4 5 6 7 89
20
30 40
Pout (W)
0.01
600m
1
2
3
4 5 6 7 89 Pout (W)
20
30 40
Figure 8. Distortion vs Output Power THD(%) 10 5 2
Vs =+/- 12V
1
Rload =6 ohm
0.5
f=1KHz
0.2 0.1 0.05 0.02 0.01 600m
1
2
3
4 5 6 7 89
20
30 40
Pout (W)
7/9
TDA7269A mm
DIM. MIN.
TYP.
inch MAX.
MIN.
TYP.
MAX.
A
5
0.197
B
2.65
0.104
C
1.6
D
0.063
1
E
0.49
0.039 0.55
0.019
0.022
F
0.88
0.95
0.035
G
1.45
1.7
1.95
0.057
0.067
0.077
G1
16.75
17
17.25
0.659
0.669
0.679
H1
19.6
0.037
0.862
0.874
0.886
0.87
0.886
0.772
H2
20.2
L
21.9
22.2
L1
21.7
22.1
L2
17.4
L3
17.25
L4
10.3
22.5
0.795
22.5
0.854
18.1
0.685
17.5
17.75
0.679
0.689
0.699
10.7
10.9
0.406
0.421
0.429
0.713
L7
2.65
2.9
0.104
M
4.25
4.55
4.85
0.167
0.179
0.191
0.114
M1
4.73
5.08
5.43
0.186
0.200
0.214
S
1.9
2.6
0.075
S1
1.9
2.6
0.075
0.102
Dia1
3.65
3.85
0.144
0.152
8/9
OUTLINE AND MECHANICAL DATA
0.102
Multiwatt11 V
TDA7269A
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences 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. The ST logo is a registered trademark of STMicroelectronics © 2002 STMicroelectronics - All Rights Reserved Australia - Brazil - Canada - China - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan -Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom - United States. http://www.st.com
9/9
■ ■ ■ ■ ■
WIDE SUPPLY VOLTAGE RANGE UP TO +20V SPLIT SUPPLY HHIGH OUTPUT POWER 14+14W @THD = 10%, RL= 8Ω, VS = ±16V NO POP AT TURN-ON/OFF MUTE (POP FREE) STAND-BY FEATURE (LOW Iq) SHORT CIRCUIT PROTECTION TO GND THERMAL OVERLOAD PROTECTION
Multiwatt11 ORDERING NUMBER: TDA7269A
DESCRIPTION The TDA7269A is class AB Dual Audio Power amplifier assembled in the Multiwatt package, specially de-
signed for high quality sound application as Hi-Fi music centers and stereo TV sets.
Figure 1. Typical Application Circuit
+VS
15K
1000µF
1µF
MUTE/ ST-BY IN (L)
7
+5V
+
4
OUT (L)
8
IN- (L)
-
1µF
15K
3
5
18K
GND
4.7Ω
18K
9
RL (L)
100nF 560Ω
µP
10
IN- (R)
560Ω 18K
1µF
IN (R)
11
-
2
+ 1
6 -VS
OUT (R) 4.7Ω
RL (R)
100nF
1000µF D94AU085
June 2003
1/9
TDA7269A ABSOLUTE MAXIMUM RATINGS Symbol
Parameter
VS
DC Supply Voltage
IO
Output Power Current (internally limited)
Ptot
Total Power Dissipation (Tamb = 70°C)
Top
Operating Temperature
Tstg, Tj
Storage and Junction Temperature
Value
Unit
±22
V
3
A
40
W
0 to 70
°C
-40 to 150
°C
Value
Unit
2.8
°C/W
PIN CONNECTION (Top view) 11
IN+(1)
10
IN-(1)
9
GND
8
IN-(2)
7
IN+(2)
6
-VS
5
MUTE
4
OUTPUT(2)
3
+VS
2
OUTPUT(1)
1
-VS
TAB CONNECTED TO PIN 6
D95AU316
THERMAL DATA Symbol
Parameter
Rth j-case
Thermal Resistance Junction-case
Max.
Figure 2. Single Supply Application +VS
D1 5.1V R1 10K
R3 15K
C1 1µF
C5 1000µF MUTE
PLAY 5V 0 MUTE
Q1 BSX33 R2 15K
C2 100µF
IN (L)
3
5 7
+
4
OUT (L)
8
IN- (L)
-
C3 1µF
9 C4 1µF
IN (R)
11
C6 0.1µF
C9 470µF
R4 30K R5 1K
+
2
IN- (R)
R8 4.7Ω C7 0.1µF
OUT (L)
C10 470µF
10 1
6 GND
OUT (R)
R6 30K R7 1K
R9 4.7Ω C8 0.1µF
D96AU444A
2/9
OUT (R)
TDA7269A ELECTRICAL CHARACTERISTCS (Refer to the test circuit VS = ±16V; RL = 8Ω; RS = 50Ω; GV = 30dB, f = 1KHz; Tamb = 25°C, unless otherwise specified) Symbol VS
Iq VOS
Parameter Supply Voltage Range
Min.
PO
Output Power
Total Harmonic Distortion
V
RL = 4Ω
±5
±15
V
100
mA
25
mV
60 -25 500
nA
THD = 10%; RL = 8Ω; VS = ±12.5V; RL = 4Ω;
12 8
14 10
W W
THD = 1%; RL = 8Ω; VS = ±12.5V; RL = 4Ω;
9 6
11 7.5
W W
0.03
%
RL = 8Ω; PO = 1W; f = 1KHz;
0.7
RL = 4Ω; PO = 1W; f = 1KHz;
0.02
RL = 4Ω; VS = ±10V; PO = 0.1 to 5W; f = 100Hz to 15KHz; Cross Talk
SR
Slew Rate
GOL
Open Loop Voltage Gain
eN Ri SVR Tj
Total Output Noise
f = 1KHz; f = 10KHz;
% %
1
%
50
70 60
dB dB
6.5
10
V/µs
80
dB
A Curve f = 20Hz to 22KHz
Input Resistance Supply Voltage Rejection (each channel)
Unit
±20
RL = 8Ω; PO = 0.1 to 7W; f = 100Hz to 15KHz;
CT
Max.
±5
Input Offset Voltage Non Inverting Input Bias Current
Typ.
RL = 8Ω
Total Quiescent Current
Ib
THD
Test Condition
3 4 15
f = 100Hz; VR = 0.5V
Thermal Shut-down Junction Temperature
8
µV µV
20
KΩ
60
dB
145
°C
MUTE FUNCTION [ref +VS] (*) VTMUTE AMUTE
Mute /Play threshold
-7
-6
Mute Attenuation
60
70
-3.5
-2.5
-5
V dB
STAND-BY FUNCTIONS [ref: +VS] (only for Split Supply) VTST-BY
Stand-by Mute threshold
AST-BY
Stand-by Attenuation
IqST-BY
Quiescent Current @ Stand-by
-1.5
110 3
V dB
6
mA
(*) In mute condition the current drawn from Pin 5 must be ≤650µA
3/9
TDA7269A MUTE STAND-BY FUNCTION The pin 5 (MUTE/STAND-BY) controls the amplifier status by two different thresholds, referred to +VS. – When Vpin5 higher than = +VS -2.5V the amplifier is in Stand-by mode and the final stage generators are off. – When Vpin5 between +VS -2.5V and +VS -6V the final stage current generators are switched on and the amplifier is in mute mode. – When Vpin5 is lower than +VS -6V the amplifier is play mode. Figure 3. +VS (V) 20
t -VS -20
VIN (mV)
Vpin5 (V) VS VS-2.5 VS-6 VS-10
Iq (mA)
0
VOUT (V)
OFF
PLAY
STDBY
PLAY
OFF
STDBY
STDBY MUTE
4/9
D94AU086
MUTE
MUTE
MUTE
TDA7269A Figure 4. Test and Application Circuit (Stereo Configuration) +VS
R2
C3
MUTE/ ST-BY
Q1
R1
IN (L)
SW1 ST-BY DZ
7
R3
+
4
OUT (L)
8
IN- (L)
-
GND
C5
3
5
C1
R4
C4
+VS
R7
R5
9
RL (L)
C8
R6
SW2 MUTE
10
R9
IN- (R) R8
C2
IN (R)
11
-
2
OUT (R)
+
R10
6
1
-VS C7
RL (R)
C9 C6
D94AU087B
APPLICATION SUGGESTIONS (Demo Board Schematic) The recommended values of the external components are those shown the demoboard schematic different values can be used, the following table can help the designer. COMPONENT
SUGGESTION VALUE
R1
10KΩ
Mute Circuit
Increase of Dz Biasing Current
R2
15KΩ
Mute Circuit
Vpin #5 Shifted Downward
Vpin #5 Shifted Upward
R3
18KΩ
Mute Circuit
Vpin #5 Shifted Upward
Vpin #5 Shifted Downward
R4
15KΩ
Mute Circuit
Vpin #5 Shifted Upward
Vpin #5 Shifted Downward
R5, R8
18KΩ
Closed Loop Gain Setting (*)
Increase of Gain
R6, R9
560Ω
R7, R10
4.7Ω
Frequency Stability
C1, C2
1µF
Input DC Decoupling
C3
1µF
St-By/Mute Time Constant
C4, C6
1000µF
Supply Voltage Bypass
Danger of Oscillations
C5, C7
0.1µF
Supply Voltage Bypass
Danger of Oscillations
C8, C9
0.1µF
Frequency Stability
Dz
5.1V
Mute Circuit
PURPOSE
LARGER THAN RECOMMENDED VALUE
SMALLER THAN RECOMMENDED VALUE
Decrease of Gain Danger of Oscillations
Danger of Oscillations Higher Low Frequency Cutoff
Larger On/Off Time
Smaller On/Off Time
(*) Closed loop gain has to be ≥25dB
5/9
TDA7269A BRIDGE APPLICATION Another application suggestion concerns the Bridge configuration , where the two power amplifiers are connected as shown by the schematic diagrams of figure 5 “Split Power Supply” , and figure 6 “Single Power Supply”. This application shows,however, some operative limits due to dissipation and current capability of the output stage. For this reason we recommend to use the TDA7269A in BTL with the following supply voltages depending on the used load impedance (for the single supply consider double Vs) : ±Vs (V)
Rload (ohm)
14
8
11
6
10
4
The detected characteristics of THD vs Pout are shown in figg: 7, 8 and 9 for the different load impedances. With Rload = 8ohm , Vs = ±14V the maximum output power obtainable is 30W at THD = 10% (fig. 9). With Rload = 6ohm , Vs = ±12V the maximum output power obtainable is 28W at THD = 10% (fig. 8). With Rload = 4ohm , Vs = ±10V the maximum output power obtainable is 20W at THD=10% (fig. 7). We suggest not to exceed the suggested supply voltages in order to avoid the current limiter intervention. Figure 5. Split Power Supply Application Diagram
ST-BY/ MUTE
C3 0.1µF C1
IN
5 7
3 +
R5 4.7Ω 4
-
1µF
R4 560Ω
10
1µF
-
R3 36KΩ
2
+ 1
R6 4.7Ω
6 -VS
D94AU190
6/9
C7 0.1µF
R2 560Ω
9
11
+VS
R1 36KΩ
8
C2
C4 1000µF
C5 0.1µF
C6 1000µF
C9 0.1µF
RL
C8 5.6nF
TDA7269A Figure 6. Single Power Supply Application Diagram
+VS
5.1V 10K
15K
1µF
1000µF MUTE
PLAY 5V 0 MUTE
3
5 7
IN (L)
BSX33
+
4
OUT (L)
8
IN- (L)
-
1µF
15K
30K
4.7Ω 0.1µF
9 100µF
1µF
0.1µF
OUT
1K IN (R)
11
+
2
IN- (R)
30K 10 1
4.7Ω
OUT (R)
0.1µF 1K
6 GND
5.6nF D03AU1518
Figure 7. Distortion vs Output Power
Figure 9. Distortion vs Output Power
THD(%) 10
THD(%) 10
5
5
2 Vs =+/- 10V
1
Rload =4 ohm
0.5
Vs =+/- 14V
1
Rload =8 ohm f=1KHz
0.5
f=1KHz
0.2
2
0.2
0.1
0.1
0.05
0.05
0.02 0.02
0.01 600m
1
2
3
4 5 6 7 89
20
30 40
Pout (W)
0.01
600m
1
2
3
4 5 6 7 89 Pout (W)
20
30 40
Figure 8. Distortion vs Output Power THD(%) 10 5 2
Vs =+/- 12V
1
Rload =6 ohm
0.5
f=1KHz
0.2 0.1 0.05 0.02 0.01 600m
1
2
3
4 5 6 7 89
20
30 40
Pout (W)
7/9
TDA7269A mm
DIM. MIN.
TYP.
inch MAX.
MIN.
TYP.
MAX.
A
5
0.197
B
2.65
0.104
C
1.6
D
0.063
1
E
0.49
0.039 0.55
0.019
0.022
F
0.88
0.95
0.035
G
1.45
1.7
1.95
0.057
0.067
0.077
G1
16.75
17
17.25
0.659
0.669
0.679
H1
19.6
0.037
0.862
0.874
0.886
0.87
0.886
0.772
H2
20.2
L
21.9
22.2
L1
21.7
22.1
L2
17.4
L3
17.25
L4
10.3
22.5
0.795
22.5
0.854
18.1
0.685
17.5
17.75
0.679
0.689
0.699
10.7
10.9
0.406
0.421
0.429
0.713
L7
2.65
2.9
0.104
M
4.25
4.55
4.85
0.167
0.179
0.191
0.114
M1
4.73
5.08
5.43
0.186
0.200
0.214
S
1.9
2.6
0.075
S1
1.9
2.6
0.075
0.102
Dia1
3.65
3.85
0.144
0.152
8/9
OUTLINE AND MECHANICAL DATA
0.102
Multiwatt11 V
TDA7269A
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences 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. The ST logo is a registered trademark of STMicroelectronics © 2002 STMicroelectronics - All Rights Reserved Australia - Brazil - Canada - China - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan -Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom - United States. http://www.st.com
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