SGS Thomson Microelectronics TDA7269 Datasheet

10 + 10W STEREOAMPLIFIER WITH MUTE & ST-BY
WIDE SUPPLY VOLTAGE RANGE UP TO ±20V
SPLIT SUPPLY HIGHOUTPUTPOWER
10 +10W @ THD =10%, R NO POPAT TURN-ON/OFF MUTE(POP FREE) STAND-BY FEATURE (LOWI THERMALOVERLOAD PROTECTION SHORTCIRCUITPROTECTIONTO GND
DESCRIPTION
The TDA7269 is class AB dual Audio power am­plifier assembled in the Multiwatt package, spe­cially designed for high quality sound application as Hi-Fimusic centers andstereo TV sets.
=8Ω,VS= +14V
L
)
q
TDA7269
Multiwatt11
ORDERING NUMBER: TDA7269
Figure 1: Typical Application Circuit
+5V
15K 1µF
µP
1µF
1µF
MUTE/
ST-BY
IN (L)
18K15K
GND
IN (R)
D94AU085
+V
S
1000µF
5 7
-
9
11
-
+
1
1000µF
3
6
-V
S
4+
OUT (L)
18K
IN- (L)8
10 IN- (R)
2
OUT (R)
560
18K
4.7
100nF
4.7
100nF
560
RL (L)
RL (R)
July 1998
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TDA7269
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
I
O
P
tot
T
op
T
stg,Tj
PIN CONNECTION (Topview)
DC Supply Voltage ±22 V
S
Output Peak Current (internally limited) 3 A Power Dissipation T
=70°C40W
case
Operating Temperature 0 to 70 °C Storage and Junction Temperature -40 to +150 °C
11 10
9 8 7 6 5 4 3 2 1
TAB CONNECTED TO PIN 6
D95AU316
IN+(1) IN-(1) GND IN-(2) IN+(2)
-V
S
MUTE OUTPUT(2) +V
S
OUTPUT(1)
-V
S
THERMAL DATA
Symbol Description Value Unit
R
th j-case
Thermal Resistance Junction-case Max 2.8 °C/W
SINGLESUPPLY APPLICATION
+V
S
C5
1000µF
C6
0.1µF
3
4+
OUT (L)
R4
IN- (L)8
30K
R5 1K
2
IN- (R)
R6
10
OUT (R)
1
6 GND
30K
R7 1K
C9 470µF
R8
4.7 C7
0.1µF
C10 470µF
R9
4.7 C8
0.1µF
D96AU444
0
MUTE
R1
10K
PLAY
5V
C1
1µF
C2
100µF
Q1
BSX33
R2
15K
R3
15K
C3 1µF
C4 1µF
MUTE/ST-BY
IN (L)
IN (R)
D1 5.1V
5 7
9
11
-
+
-
OUT
(L)
OUT
(R)
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TDA7269
ELECTRICALCHARACTERISTICS(Refer to the test circuit, VS= + 14V; RL=8;RS=50Ω;
= 30dB;f = 1KHz; T
G
V
Symbol Parameter Test Condition Min. Typ. Max. Unit
V
S
I
q
V
OS
I
b
P
O
Supply Range +5 +20 V Total Quiescent Current 60 100 mA Input Offset Voltage –25 +25 mV Non Inverting Input Bias Current 500 nA Output Power THD = 10%
THD Total Harmonic Distortion R
C
T
Cross Talk f = 1KHz
SR Slew Rate 6.5 10 V/µs
G
OL
e
N
R
Open Loop Voltage Gain 80 dB Total Input Noise A Curve
Input Resistance 15 20 K
i
SVR Supply Voltage Rejection
(each channel)
T
j
Thermal Shut-down Junction Temperature
MUTE FUNCTION [ref: +V
VT
MUTE
A
M
Mute / PlayThreshold -7 -6 -5 V Mute Attenuation 60 70 dB
STAND-BY FUNCTION [ref: +V
VT
ST-BY
A
ST-BY
I
q ST-BY
(*)In mute condition the current drawn from Pin 5 must be 650µA.
Stand-by / Mute Threshold -3.5 -2.5 -1.5 V Stand-by Attenuation 110 dB Quiescent Current @ Stand-by 3 6 mA
=25°C, unless otherwise specified.)
amb
R
=8Ω ;
L
V
+ 12.5V; RL=4
S
THD = 1% R
=8Ω ;
L
V
+ 12.5V; RL=4
S
=8Ω ;PO= 1W; f = 1KHz 0.03 %
L
=8Ω ;
R
L
P
= 0.1 to 5W;
O
f = 100Hzto 15KHz R
=4Ω;PO= 1W; f = 1KHz 0.02 %
L
=4Ω ;VS+ 10V;
R
L
P
= 0.1 to 5W;
O
f = 100Hzto 15KHz
f = 10KHz 50
f = 20Hz to 22KHz
fr = 100Hz Vr = 0.5V 60 dB
S] (*)
S] (Only for SplitSupply)
8
7.5
10 10
7.5
7.5
0.7 %
1%
70 60
3 48
145
W W
W W
dB dB
µV
V
µ
C
°
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TDA7269
MUTE STAND-BYFUNCTION
The pin 5 (MUTE/STAND-BY) controls the ampli­fier status by two different thresholds, referred to +V
.
S
- When V
higher than = +VS - 2.5V the
pin5
amplifier is in Stand-by mode and the final stage generatorsare off
Figure 2
+V
S
(V)
20
-V
S
-20
V
IN
(mV)
- when V
is between +VS- 2.5V and+V
pin5
- 6V the final stage current generators are switched on and the amplifier is in mute mode
- when V
is lower than +VS- 6V the am-
pin5
plifier is playmode.
t
S
Vpin5
(V)
V
S
VS-2.5
VS-6
VS-10
I
q
(mA)
0
VOUT
(V)
STDBY
OFF
PLAY STDBY PLAY OFF
STDBY
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MUTE MUTE
D94AU086
MUTE
MUTE
Figure 3: Testand ApplicationCircuit (Stereo Configuration)
+V
TDA7269
S
SW1
R2 C3
R1
DZ
R4
SW2
R3
C1
C2
MUTE/
ST-BY
IN (L)
GND
IN (R)
D94AU087
5 7
9
11
APPLICATIONS SUGGESTION
(Demo Board Schematic) The recommendedvalues of the external compo-
COMPONENTS
R1 10K Mute Circuit R2 15K Mute Circuit V
R3 18K Mute Circuit V
R4 15K Mute Circuit V R5, R8 18K R6, R9 560
RECOMMENDED
VALUE
Ω Ω
PURPOSE
Closed Loop Gain Setting (*)
+V
S
3
4+
-
10 IN-(R)
-
+
1
C7
2
6
-V
S
C6
C4
OUT (L)
R5
IN- (L)8
R6
R8
OUT (R)
nents are those shown are the demo board sche­matic different values can be used: the following table can help the designer.
LARGER THAN
RECOMMENDED VALUE
Increase of Dz Biasing Current
# 5 Shifted Downward V
pin pin # 5 Shifted Upward Vpin # 5 Shifted Downward pin # 5 Shifted Upward Vpin # 5 Shifted Downward
Increase of Gain Decrease of Gain
C5
R7
C8
R9
R10
C9
SMALLER THAN
RECOMMENDED VALUE
# 5 Shifted Upward
pin
R7, R10 4.7 Frequency Stability Danger of Oscillations Danger of Oscillations
C1, C2 1µF
C3 1µF
C4, C6 1000µF
C5, C7 0.1µF
Input DC Decoupling
St-By/Mute Time Constant
Supply Voltage Bypass
Supply Voltage Bypass
Larger On/Off Time Smaller On/Off Time
Higher Low Frequency Cutoff
Danger of Oscillations
Danger of Oscillations
C8, C9 0.1µF FrequencyStability
Dz 5.1V Mute Circuit
(*) Closed loop gain has to be => 25dB
RL (L)
RL (R)
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TDA7269
MULTIWATT11 PACKAGE MECHANICAL DATA
DIM.
A 5 0.197
B 2.65 0.104
C 1.6 0.063
D 1 0.039
E 0.49 0.55 0.019 0.022
F 0.88 0.95 0.035 0.037
G 1.57 1.7 1.83 0.062 0.067 0.072 G1 16.87 17 17.13 0.664 0.669 0.674 H1 19.6 0.772 H2 20.2 0.795
L 21.5 22.3 0.846 0.878 L1 21.4 22.2 0.843 0.874 L2 17.4 18.1 0.685 0.713 L3 17.25 17.5 17.75 0.679 0.689 0.699 L4 10.3 10.7 10.9 0.406 0.421 0.429 L7 2.65 2.9 0.104 0.114
M 4.1 4.3 4.5 0.161 0.169 0.177
M1 4.88 5.08 5.3 0.192 0.200 0.209
S 1.9 2.6 0.075 0.102
S1 1.9 2.6 0.075 0.102
Dia1 3.65 3.85 0.144 0.152
MIN. TYP. MAX. MIN. TYP. MAX.
mm inch
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TDA7269
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. Specification 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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