TDA7493 STMicroelectronics, TDA7493 Datasheet - Page 23

• Manufacturer Part Number: TDA7493
• Description: Audio Amplifiers 3W + 3W Dual BTL Class-D 4-Select dB
• Manufacturer: STMicroelectronics

Specifications of TDA7493

• Amplifier Class: D
• No. Of Channels: 2
• Output Power: 3W
• Supply Voltage Range: 3V To 5.5V
• Thd + N: 0.05% @ 0.5W, 4ohm, VCC=5V
• Load Impedance: 4ohm
• Operating Temperature Range: 0°C To +70°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TDA7493
6.2
For the configuration without filter
Figure 23. THD vs output power at 1 kHz
Figure 24. THD vs output power at 100 Hz
Figure 25. THD vs frequency at 100 mW
Test setup as given in
Test conditions V
THD
(%)
THD
(%)
THD
(%)
CC
0.05
0.02
0.01
0.5
0.2
0.1
10
100m
0.005
0.002
0.001
0.05
0.02
0.01
5
2
1
0.05
0.02
0.01
0.5
0.2
0.1
10
= 5 V, C20 = 10 µF, R
100m
0.5
0.2
0.1
10
5
2
1
5
2
1
20
Figure 7 on page 14
Doc ID 14570 Rev 5
50
200m
200m
100
300m
300m 400m
400m
200
Po (W)
Po (W)
600m
frequency (Hz)
500
600m 800m
L
800m
= 4 Ω + 270 µH, no LC filter
1k
1
1
2k
Electrical characterization curves
2
5k
2
3
10k
3
4
20k
4
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