TDA1904 ,4W AUDIO AMPLIFIERTDA19044W AUDIO AMPLIFIERHIGH OUTPUT CURRENT CAPABILITYPROTECTION AGAINST CHIP OVERTEM-PERATURELOW ..
TDA1905 ,5W AUDIO AMPLIFIER WITH MUTINGTDA19055W AUDIO AMPLIFIER WITH MUTINGDESCRIPTIONThe TDA1905 is a monolithic integrated circuit inPO ..
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TDA1908 ,8W audio amplifierTDA19088W AUDIO AMPLIFIERDESCRIPTIONThe TDA1908 is a monolithic integrated circuit in12 lead quad i ..
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TEF6700HL/V1 ,Car radio tuner front-end for digital IF
TEF6701HL ,Car radio tuner front-end for digital IF
TEF6701HL ,Car radio tuner front-end for digital IF
TEF6701HL/V1 ,Car radio tuner front-end for digital IF
TEF6701HL/V1 ,Car radio tuner front-end for digital IF
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TDA1904
4W AUDIO AMPLIFIER
TDA19044W AUDIO AMPLIFIER
HIGH OUTPUT CURRENT CAPABILITY
PROTECTION AGAINST CHIP OVERTEM-
PERATURE
LOW NOISE
HIGH SUPPLY VOLTAGE REJECTION
SUPPLY VOL TAGE RANGE: 4V TO 20V
DESCRIPTIONThe TDA 1904 is a monolithic integrated circuit in
POWERDIP package intended for use as low-fre-
quency power amplifier in wide range of applica-
tions in portable radio and TV sets.
March 1993
ABSOLUTE MAXIMUM RATINGS
TEST AND APPLICATION CIRCUIT1/10
THERMAL DATA
PIN CONNECTION (top view)
SCHEMATIC DIAGRAM
TDA1904
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, Tamb = 25 °C, Rth (heatsink) = 20 °C/W, unless otherwisw specified)
Note: (°) Weighting filter = curve A.
(°°) Filter with noise bendwidth: 22Hz to 22 KHz.
TDA1904
Figure 1. Test and application circuit
Figure 2. P .C. board and components layout of fig. 1 (1 : 1 scale)
TDA1904
APPLICATION SUGGESTIONThe recommended values of the external compo-
nents are those shown on the application circuit of
fig. 1.
When the supply voltage VS is less than 6V, a 68Ω
resistor must be connected between pin 2 and pin
3 in order to obtain the maximum output power.
Different values can be used. The following table
can help the designer.
TDA1904
Figure 3. Quiescent output
voltage vs. supply voltage
Figure 4. Quiescent drain
current vs. supply voltage
Figure 5. Output power vs.
supply voltage
Figure 6. Distortion vs.
output power
Figure 7. Distortion vs.
output power
Figure 8. Distortion vs.
output power
Figure 9. Distortion vs.
output power
Figure 10. Distortion vs.
output power
Figure 11. Distortion vs.
output power
TDA1904
