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TDA2009
10 +10W STEREO AMPLIFIER
TDA2009A +10W STEREO AMPLIFIER
PIN CONNECTION
MULTIWATT11
ORDERING NUMBER: TDA2009A HIGH OUTPUT POWER
(10+ 10W Min.@D= 1%). HIGH CURRENT CAPABILITY (UP TO 3.5A). AC SHORT CIRCUIT PROTECTION. THERMAL OVERLOAD PROTECTION. SPACE AND COST SAVING: VERY LOW
NUMBER OF EXTERNAL COMPONENTS
AND SIMPLE MOUNTING THANKS TO THE
MULTIWATT PACKAGE.
DESCRIPTIONThe TDA2009Ais class AB dual Hi-Fi Audio power
amplifier assembledin Multiwatt package, spe-
cially designed for high quality stereo application Hi-Fi and music centers.
SCHEMATIC DIAGRAM
TDA2009A
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit Supply Voltage 28 V Output Peak Current (repetitivef≥20 Hz) 3.5 A Output Peak Current (non repetitive,t= 100 μs) 4.5 A
Ptot Power Dissipationat Tcase =90 °C20 W
Tstg,Tj Storage and Junction Temperature –40,+ 150 °C
THERMALDATA
Symbol Parameter Value UnitRthj-case Thermal Resistance Junction-case Max. 3 °C/W
ELECTRICAL CHARACTERISTICS(referto the stereo application circuit, Tamb =25oC,VS= 24V, GV= 36dB, unless otherwisespecified)
Symbol Parameter Test Conditions Min. Typ. Max. Unit Supply Voltage 8 28 V Quiescent Output Voltage Vs= 24V 11.5 V Total Quiescent Drain Current Vs= 24V 60 120 mA Output Power (each channel) d= 1%,Vs= 24V,f= 1kHz =4Ω =8Ω= 40Hzto 12.5kHz =4Ω =8Ω= 18V,f= 1kHz =4Ω =8Ω
12.5 Distortion (each channel) f= 1kHz,Vs= 24V=0.1to 7W RL =4Ω=0.1to 3.5W RL =8Ω= 18V=0.1to 5W RL =4Ω=0.1to 2.5W RL =8Ω
0.1 Cross Talk(3) RL= ∞,Rg= 10kΩ= 1kHz= 10kHz Input SaturationVoltage (rms) 300 mV Input Resistance f= 1kHz, Non Inverting Input 70 200 kΩ Low Frequency Rolloff(– 3dB) RL =4Ω 20 Hz High Frequency Rolloff(– 3dB) RL =4Ω 80 kHz Voltage Gain (closed loop) f= 1kHz 35.5 36 36.5 dB
ΔGv Closed Loop Gain Matching 0.5 dB Total Input Noise Voltage Rg= 10kΩ(1)= 10kΩ(2)
2.5 8
SVR Supply Voltage Rejection (each channel) Rg= 10kΩ
fripple= 100Hz, Vripple= 0.5V dB Thermal Shut-down Junction Temperature 145 °C
Notes: 1. CurveA 22Hz to22kHz
TDA2009A
Figure1: Test and Application Circuit (GV= 36dB)
Figure2: P.C.board and component layoutof the fig.1
TDA2009A
Figure3: Output Power versus Supply Voltage
Figure4: Output Power versus Supply Voltage
Figure5: Distortion versus Output Power
Figure6: Distortion versus Frequency
Figure7: Distortion versus Frequency
Figure8: Quiescent Current versus
SupplyVoltage
TDA2009A
Figure9: Supply Voltage Rejection versus
Frequency
Figure10: Total Power Dissipation and
Efficiency versus Output Power
Figure11: Total Power Dissipation and
Efficiency versus Output Power
APPLICATION INFORMATION
Figure12: Exampleof Muting Circuit
TDA2009A
