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)
560Ω
18K
4.7Ω
100nF
4.7Ω
100nF
560Ω
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
4.7Ω
C7
0.1µF
C10 470µF
R9
4.7Ω
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=8Ω;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 KΩ
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)
Ω
Ω
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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