TDA7493 STMicroelectronics, TDA7493 Datasheet - Page 20

• 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

Electrical characterization curves
6
6.1
20/30
Electrical characterization curves
For the configuration with LC filter
Figure 15. THD vs output power at 1 kHz
Figure 16. THD vs output power at 100 Hz
Figure 17. THD vs frequency at 100 mW
d
B
A
r
Test setup as given in
Test conditions V
CC
THD
(%)
THD
(%)
THD
(%)
= 5 V, C20 = 10 µF, R
0.005
0.002
0.001
0.005
0.002
0.001
0.05
0.02
0.01
0.05
0.02
0.01
0.05
0.02
0.01
0.5
0.2
0.1
Figure 3 on page 8
0.5
0.2
0.1
10
10
0.5
0.2
0.1
100m
10
5
2
1
100m
5
2
1
5
2
1
20
Doc ID 14570 Rev 5
50
200m
200m
100
300m
300m
200
400m 500m
400m 500m
Po (W)
500
Po (W)
Frequency
L
= 4 Ω, LC filter 15 µH, 470 nF
700m
700m
1k
1
1
2k
5k
2
2
10k
3
3
20k
TDA7493