TDA7490L STMicroelectronics, TDA7490L Datasheet - Page 7

• Manufacturer Part Number: TDA7490L
• Description: IC AMP AUDIO 40W D 25FLEXIWATT
• Manufacturer: STMicroelectronics
• Type: Class Dr

Specifications of TDA7490L

• Output Type: 1-Channel (Mono) or 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 40W x 1 @ 16 Ohm; 20W x 2 @ 8 Ohm
• Voltage - Supply: ±10 V ~ 25 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection, Standby
• Mounting Type: Through Hole
• Package / Case: 25-Flexiwatt (bent and staggered leads)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3986-5

Figure 7. Distortion vs. Output Power
Figure 8. Distortion vs. Output Power
Figure 9. Crosstalk vs. Frequency
(dB)
-100
THD (%)
THD (%)
THD (%)
-20
-30
-40
-50
-60
-70
-80
-90
CT
THD(%)
THD(%)
0.001
0.05
0.05
0.02
0.02
0.01
0.01
0.05
0.05
0.02
0.02
0.01
0.01
0.5
0.5
0.2
0.2
0.1
0.1
10
10
0.5
0.5
0.2
0.2
0.1
0.1
5
5
2
2
1
1
10
10
200m
200m
5
5
2
2
1
1
200m
200m
Stereo
Stereo
Stereo
Vcc=+/-19V
Vcc=+/-19V
Vcc=+/-19V
Rl = 8 ohm
Rl = 8 ohm
Rl = 8 ohm
f = 1KHz
f = 1KHz
f = 1KHz
Filter AES
Filter AES
Filter AES
Stereo
Stereo
Vs=+/-13.5V, Rl=4Ohm
Vs=+/-13.5V, Rl=4Ohm
f = 1KHz
f = 1KHz
500m
500m
0.01
500m
500m
V
Rl=8Ω;
0dB=1W
S
± 17V;
1
1
1
1
0.1
Pout(W)
Pout(W)
2
2
Pout (W)
Pout (W)
2
2
5
5
5
5
1
1 1 1
10
10
10
10
D99AU1102
20
20
f(KHz)
20
20
30
30
Figure 10. Frequency Response
Figure 11. Power Dissipation vs. Output Power
Figure 12. Distortion vs. Output Power in BTL
AMP
THD (%)
THD (%)
(dB)
-10
-12
-14
-2
-4
-6
-8
2
0
Ptot(W)
Ptot(W)
0.01
0.05
0.05
0.02
0.02
0.01
0.01
8
8
8
7
7
7
6
6
6
5
5
5
4
4
4
3
3
3
2
2
2
1
1
1
0
0
0
0.5
0.5
0.2
0.2
0.1
0.1
10
10
5
5
2
2
1
1
200m
200m
0.5
0.5
0.5
Vs=± 19V
Vs=± 19V
Vs=± 19V
Rl = 8 ohm
Rl = 8 ohm
Rl = 8 ohm
f = 1KHz
f = 1KHz
f = 1KHz
2
2
2
BTL
BTL
Vcc=+/-15.5 V
Vcc=+/-15.5 V
Rl = 8ohm
Rl = 8ohm
f = 1KHZ
f = 1KHZ
Filter AES
Filter AES
V
Rl= 8Ω;
0dB= 1W
S=
500m
500m
±17V;
0.1
4
4
4
6
6
6
1
1
2xPo(W)
2xPo(W)
2xPo(W)
8
8
8
2
2
10
10
10
1
Pout (W)
Pout (W)
12
12
12
5
5
14
14
14
10
10
10
16
16
16
TDA7490L
18
18
18
20
20
D99AU1103
20
20
20
7/11
f(KHz)
50
50