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TDA2030
14W Hi-Fi AUDIO AMPLIFIER
TDA203014W Hi-Fi AUDIO AMPLIFIER
DESCRIPTIONThe TDA2030 is a monolithic integrated circuit in
Pentawatt® package, intended for use as a low
frequency class AB amplifier. Typically it provides
14W output power (d = 0.5%) at 14V/4Ω; at ± 14V
or 28V, the guaranteed output power is 12W on a
4Ω load and 8W on a 8Ω (DIN45500).
The TDA2030 provides high output current and has
very low harmonic and cross-over distortion.
Further the device incorporates an original (and
patented) short circuit protection system compris-
ing an arrangement for automatically limiting the
dissipated power so as to keep the working point
of the output transistors within their safe operating
area. A conventional thermal shut-down system is
also included.
June 1998
ABSOLUTE MAXIMUM RATINGS
TYPICAL APPLICATION1/12
PIN CONNECTION (top view)
TEST CIRCUIT
TDA20302/12
ELECTRICAL CHARACTERISTICS (Refer to the test circuit, Vs = ± 14V , Tamb = 25°C unless otherwisespecified) for single Supply refer to fig. 15 Vs = 28V
THERMAL DATA
TDA20303/12
Figure 1. Output power vs.
supply voltage
Figure 2. Output power vs.
supply voltage
Figure 3. Distortion vs.
output power
Figure 4. Distortion vs.
output power
Figure 5. Distor tion vs.
output power
Figure 6. Distortion vs.
frequency
Figure 7. Distortion vs.
frequency
Figure 8. Frequency re-
sponse with different values
of the rolloff capacitor C8
(see fig. 13)
Figure 9. Quiescent current
vs. supply voltage
TDA20304/12
Figure 10. Supply voltage
rejection vs. voltage gain
Figure 11. Power dissipa-
tion and efficiency vs. output
power
Figure 12. Maximum power
dissipation vs. supply volt-
age (sine wave operation)
APPLICATION INFORMATION
Figure 13. Typical amplifier
with split power supply
Figure 14. P.C. board and component layout for
the circuit of fig. 13 (1 : 1 scale)
TDA20305/12
APPLICATION INFORMA TION (continued)
Figure 15. Typical amplifier
with single power supply
Figure 16. P.C. board and component layout for
the circuit of fig. 15 (1 : 1 scale)
Figure 17. Bridge amplifier configuration with split power supply (Po = 28W, Vs = ±14V)
TDA20306/12
