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TDA3190
Complete TV sound channel
TDA3190COMPLETE TV SOUND CHANNEL INPUT DECOUPLING
GROUND DETECTOR VOLUME CONTROL DECOUPLING
GROUND DETECTOR
DE-EMPHASIS
RIPPLE REJECTION
SUPPLY VOLTAGE
GROUND OUTPUT
COMPENSATION FEEDBACK
GROUND
PIN CONNECTIONS
DIP16(Plastic Package)
ORDER CODE: TDA3190
The TDA3190isa monolithic integrated circuitina
16-lead dual in-line plastic package.It performsall
the functions neededfor the TV sound channel:.IF LIMITER AMPLIFIER.ACTIVE LOW-PASS FILTER.FM DETECTOR.DC VOLUME CONTROL.AF PREAMPLIFIER.AF OUTPUT STAGE
DESCRIPTIONThe TDA3190 can givean output powerof 4.2W=10 %) intoa16Ω loadatVS=24V,or 1.5W= 10 %) intoan8Ω loadat VS= 12V. This
performance, togetherwith the FM-IF sectionchar-
acteristicsof high sensitivity, high AM rejection and
low distortion, enables the deviceto be usedin
almost every typeof television receivers.
The device hasno irradiation problems, henceno
external screeningis needed.
The TDA3190isa pinto pin replacementof
TDA1190Z.
3190-02.EPS
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit Supply Voltage (pin 10) 28 V Input Signal Voltage (pin1) 1 V Output Peak Current (non-repetitive) 2 A Output Peak Current (repetitive) 1.5 A
Ptot Power Dissipationat Tpins =90°C Tamb =70°C (free air)
Tstg,Tj Storage and Junction Temperature –40to 150 °C
3190-01.TBL
THERMAL DATA
Symbol Parameter Value UnitRth j-pins Thermal Resistance Junction-pins Max 14 °C/W
Rth j-amb Thermal Resistance Junction-ambient Max 80* °C/W Obtainedwiththe GND pins soldered toprinted circuitwith minimized copper area.
3190-02.TBL
ELECTRICAL CHARACTERISTICS(referto the test circuit, VS= 24V, Tamb =25oC unless otherwise specified)
Symbol Parameter Test Conditions Min. Typ. Max. Unit Supply Voltage (Pin 14) 9 28 V Quiescent Output Voltage (Pin11) Vs= 24V= 12V
6.9 Quiescent Drain Current P1= 22kΩ= 24V= 12V 22
3190-03.TBL
TDA3190
ELECTRICAL CHARACTERISTICS(referto the test circuit, VS= 24V, Tamb =25oC unless otherwise specified)
Symbol Parameter Test Conditions Min. Typ. Max. Unit Output Power d= 10%,fm= 400Hz,= 4.5MHz, Δf=± 25kHz= 24V,RL =16Ω= 12V,RL =8Ω
1.5= 2%,fm= 400Hz,= 4.5MHz, Δf=± 25kHz= 24V,RL =16Ω= 12V,RL =8Ω
1.4 Input Limiting Voltage (–3dB)
atPin1 fo= 4.5MHz, Δf=± 7.5kHz,= 400Hz,P1 =0 100 μV Distortion Po= 50mW,fm= 400Hz,= 4.5MHz, Δf=± 7.5kHz= 24V,RL =16Ω= 12V,RL =8Ω
0.75 Frequency Responseof audio
amplifier (–3dB) =16Ω,C8= 120pF= 470pF,P1= 22kΩ =82Ω =47Ωto 1200to 7000 Recovered Audio Voltage (Pin16) Vi≥ 1mV,fo= 4.5MHz= 400Hz, Δf=± 7.5kHz,P1 =0
120 mV
AMR Ampliture Modulation Rejection Vi≥ 1mV,fo= 4.5MHz,= 400Hz,Δf=± 25kHz,m=0.3 dB+N
Signalto Noise Ratio VI≥ 1mV,Vo= 4V,fo= 4.5MHz,= 400Hz, Δf=± 25kHz 65 dB External Feedback Resistance
(betweenPins9and11) kΩ Input Resistance (Pin1) Vi= 1mV,fo= 4.5MHz 30 kΩ Input Capacitance (Pin1) 5 pF
SVR Supply Voltage Rejection RL =16Ω,fripple= 120Hz,= 22kΩ dB DC Volume ControlAttenuation P1= 12kΩ 90 dB
3190-04.TBL
TYPICAL CIRCUIT
TDA3190
3190-04.EPS
Figure1: Relative Audio Output Voltage and Out-
put Noise versus Input Signal
3190-05.EPS
Figure2: Output Voltage Attenuationversus Volume Control Resistance
3190-06.EPS
Figure3: Amplitude Modulation Rejection
versus Input Signal
3190-07.EPS
Figure4: ΔAMR versus Tuning Frequency
Change
Figure6: Distortion versus Output Power
Figure5: Recovered Audio Voltage versusUn-
loadedQ Factorof the Detector Coil
TDA3190
3190-10.EPS
Figure7: Distortion versus Frequency
Deviation
3190-11.EPS
Figure8: Distortion versus Tuning Frequency
Change
3190-12.EPS
Figure9: Audio Amplifier FrequencyResponse
3190-13.EPS
Figure10: Supply Voltage Ripple Rejection ver-
sus Ripple Frequency
Figure12: Output Power versus Supply Voltage
Figure11: Supply Voltage Ripple Rejection ver-
sus Volume Control Attenuation
TDA3190
3190-16.EPS
Figure13: Maximum Power Dissipation versus
Supply Voltage (sinewave operation)
3190-17.EPS
Figure14: Power Dissipation and Efficiency ver-
sus Output Power
3190-18.EPS
Figure15: Quiescent Output Voltage(Pin 11)
versus Supply Voltage
TDA3190
