TDA7269 Fast Delivery |IC PHOENIX CO.,LIMITED

TDA7269 ,10 + 10W STEREO AMPLIFIER WITH MUTE & ST-BYELECTRICAL CHARACTERISTICS (Refer to the test circuit, V = + 14V; R =8Ω;RS =50Ω;S LG = 30dB; f = 1K ..
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TDA7269
10 + 10W STEREO AMPLIFIER WITH MUTE & ST-BY
TDA7269+ 10W STEREO AMPLIFIER WITH MUTE& ST-BY
WIDE SUPPLY VOLTAGE RANGE UP TO
±20V
SPLIT SUPPLY
HIGH OUTPUT POWER+ 10W@ THD =10%,RL =8Ω,VS= +14V POPAT TURN-ON/OFF
MUTE (POP FREE)
STAND-BY FEATURE (LOWIq)
THERMAL OVERLOAD PROTECTION
SHORT CIRCUIT PROTECTION TO GND
DESCRIPTION
The TDA7269is class AB dual Audio power am-
plifier assembledin the Multiwatt package, spe-
cially designedfor high quality sound application Hi-Fi music centers and stereo TV sets.
July 1998
Multiwatt11
ORDERING NUMBER: TDA7269
+5V
18K15K(L)
1μF
15K 1μF
MUTE/
ST-BY
GND(R)
1μF
4.7Ω
4.7Ω
100nF
100nF
OUT(L)
OUT(R)
1000μF
1000μF
+VS5+
D94AU085(L)(R)
-VS 560Ω
18K
IN-(L)8 IN-(R)
560Ω
18K
Figure1: Typical Application Circuit
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ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit DC Supply Voltage ±22 V Output Peak Current (internally limited) 3 A
Ptot Power Dissipation Tcase=70°C40 W
Top Operating Temperature 0to70 °C
Tstg,Tj Storage and Junction Temperature -40to +150 °C
IN+(1)
IN-(1)
GND
IN-(2)
IN+(2)
-VS
MUTE
OUTPUT(2)
+VS
OUTPUT(1)
-VS
TAB CONNECTEDTOPIN6 D95AU316
PIN CONNECTION (Top view)
THERMAL DATA
Symbol Description Value Unit
Rth j-case Thermal Resistance Junction-case Max 2.8 °C/W
PLAY
R2
15K(L)1μF
R1
10K
C1
1μF
MUTE/ST-BY(R)1μF
R8
4.7Ω
R7
C7
0.1μF
OUT(L)
OUT(R)
C5
1000μF
+VS5 2+
D96AU444
OUT
(L)
OUT
(R)
GND
R4
30KIN-(L)8
IN-(R)
R5
R6
30K
R9
4.7Ω 470μF
C10 470μF
C8
0.1μF
R3
15K
MUTE
Q1
BSX33
C6
0.1μF 5.1V
C2
100μF
SINGLE SUPPLY APPLICATION
TDA7269
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ELECTRICAL CHARACTERISTICS (Referto the test circuit, VS=+ 14V; RL =8Ω;RS =50Ω;= 30dB;f= 1KHz; Tamb =25°C, unless otherwise specified.)
Symbol Parameter Test Condition Min. Typ. Max. Unit Supply Range +5 +20 V Total Quiescent Current 60 100 mA
VOS Input Offset Voltage –25 +25 mV Non Inverting Input Bias Current 500 nA Output Power THD= 10% =8Ω ;+ 12.5V;RL =4Ω
THD= 1% =8Ω ;+ 12.5V;RL =4Ω
THD Total Harmonic Distortion RL =8Ω ;PO= 1W;f= 1KHz 0.03 % =8Ω ;= 0.1to 5W;= 100Hzto 15KHz
0.7 % =4Ω ;PO= 1W;f =1KHz 0.02 % =4Ω ;VS+ 10V;= 0.1to 5W;= 100Hzto 15KHz Cross Talk f= 1KHz= 10KHz 50 Slew Rate 6.5 10 V/μs
GOL Open Loop Voltage Gain 80 dB Total Input Noise A Curve= 20Hzto 22KHz Input Resistance 15 20 KΩ
SVR Supply Voltage Rejection
(each channel)= 100Hz Vr= 0.5V 60 dB Thermal Shut-down
Junction Temperature
145 °C
MUTE FUNCTION [ref: +VS](*)
VTMUTE Mute/ Play Threshold -7 -6 -5 V Mute Attenuation 60 70 dB
STAND-BY FUNCTION [ref: +VS] (Onlyfor SplitSupply)
VTST-BY Stand-by/ Mute Threshold -3.5 -2.5 -1.5 V
AST-BY Stand-by Attenuation 110 dB ST-BY Quiescent Current@ Stand-by 3 6 mA
(*) Inmutecondition thecurrent drawn fromPin5 mustbe ≤650μA.
TDA7269
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MUTE STAND-BY FUNCTION
The pin5 (MUTE/STAND-BY) controls the ampli-
fier statusby two different thresholds, referredto
+VS. When Vpin5 higher than= +VS- 2.5V the
amplifierisin Stand-by mode and the final
stage generatorsareoff when Vpin5is between +VS- 2.5V and +VS 6V the final stage current generators are
switched on and the amplifierisin mute
mode when Vpin5is lower than +VS- 6V the am-
plifieris play mode.
OFF
STDBY
MUTE MUTE MUTE MUTE
PLAY STDBY PLAY OFF
STDBY
+VS
(V)
-VSIN
(mV)
Vpin5
(V)
VS-2.5
VS-6S-10
Iq
(mA)
VOUT
(V)
D94AU086
Figure2
TDA7269
4/7
APPLICATIONS SUGGESTION
(Demo Board Schematic)
The recommended valuesof the external compo-
nents are those shown are the demo board sche-
matic different values can be used: the following
table can help the designer.(L) C3 MUTE/
ST-BY
GND(R)C2
R10
OUT(L)
OUT(R)
+VS5 2+
D94AU087(L)(R)
+VS
-VS
IN-(L)8 IN-(R)
SW1
SW2
Figure3: Test and Application Circuit (Stereo Configuration)
COMPONENTS RECOMMENDED
VALUE PURPOSE LARGER THAN
RECOMMENDED VALUE
SMALLER THAN
RECOMMENDED VALUE 10KΩ Mute Circuit IncreaseofDz
Biasing Current 15KΩ Mute Circuit Vpin#5 Shifted Downward Vpin#5 Shifted Upward 18KΩ Mute Circuit Vpin#5 Shifted Upward Vpin#5 Shifted Downward 15KΩ Mute Circuit Vpin#5 Shifted Upward Vpin#5 Shifted Downward
R5,R8 18KΩ Closed Loop Gain
Setting(*)
Increaseof Gain
R6,R9 560Ω Decreaseof Gain
R7, R10 4.7Ω FrequencyStability Dangerof Oscillations Dangerof Oscillations
C1,C2 1μF Input DC
Decoupling
Higher Low Frequency
Cutoff 1μF St-By/Mute Time
Constant Larger On/Off Time Smaller On/OffTime
C4,C6 1000μF Supply Voltage
Bypass Dangerof Oscillations
C5,C7 0.1μF Supply Voltage
Bypass Dangerof Oscillations
C8,C9 0.1μF FrequencyStability 5.1V Mute Circuit
(*) Closed loop gainhas tobe=> 25dB
TDA7269
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MULTIWATT11 PACKAGE MECHANICAL DATA
DIM. mm inch
MIN. TYP. MAX. MIN. TYP. MAX. 5 0.197 2.65 0.104 1.6 0.063 1 0.039 0.49 0.55 0.019 0.022 0.88 0.95 0.035 0.037 1.57 1.7 1.83 0.062 0.067 0.072 16.87 17 17.13 0.664 0.669 0.674 19.6 0.772 20.2 0.795 21.5 22.3 0.846 0.878 21.4 22.2 0.843 0.874 17.4 18.1 0.685 0.713 17.25 17.5 17.75 0.679 0.689 0.699 10.3 10.7 10.9 0.406 0.421 0.429 2.65 2.9 0.104 0.114 4.1 4.3 4.5 0.161 0.169 0.177 4.88 5.08 5.3 0.192 0.200 0.209 1.9 2.6 0.075 0.102 1.9 2.6 0.075 0.102
Dia1 3.65 3.85 0.144 0.152
TDA7269
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Partno	Mfg	Dc	Qty	Available	Descript
TDA7269		N/a	1	avai	10 + 10W STEREO AMPLIFIER WITH MUTE & ST-BY