STA540 STMicroelectronics, STA540 Datasheet - Page 11

• Manufacturer Part Number: STA540
• Description: IC AMP AUD DUAL/QUAD MULTIWATT15
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of STA540

• Output Type: 2-Channel (Stereo) or 4-Channel (Quad)
• Max Output Power X Channels @ Load: 38W x 2 @ 4 Ohm; 16W x 4 @ 4 Ohm
• Voltage - Supply: 8 V ~ 22 V
• Features: Short-Circuit and Thermal Protection, Standby
• Mounting Type: Through Hole
• Package / Case: Multiwatt-15 (Vertical, Bent and Staggered Leads)
• Amplifier Class: AB
• No. Of Channels: 4
• Output Power: 24W
• Supply Voltage Range: 8V To 22V
• Thd + N: 0.02% @ 4W, 4ohm, VS=14.4V
• Load Impedance: 8ohm
• Operating Temperature Range: -40°C To +150°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8880-5

STA540
Figure 13. Distortion versus output power
Figure 15. Output power versus supply voltage Figure 16. Output power versus supply voltage
Figure 17. Supply voltage rejection versus
Po(W )
Po(W )
12
12
11
11
10
10
9
9
8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
0
0
+8
+8
S.E.
S.E.
Rl=8ohm
Rl=8ohm
f=1KHz
f=1KHz
frequency
+10
+10
+12
+12
+14
+14
T.H.D=10%
T.H.D=10%
Vs(V)
Vs(V)
+16
+16
T.H.D=1%
T.H.D=1%
+18
+18
+20
+20
+22
+22
+24
+24
Figure 14. Distortion versus output power
Figure 18. Crosstalk versus frequency
Po(W)
Po(W)
32.5
32.5
27.5
27.5
22.5
22.5
17.5
17.5
12.5
12.5
7.5
7.5
2.5
2.5
35
35
30
30
25
25
20
20
15
15
10
10
5
5
0
0
+8
+8
BTL
BTL
Rl=8ohm
Rl=8ohm
f=1KHz
f=1KHz
+10
+10
Electrical characteristics curves
+12
+12
T.H.D=10%
T.H.D=10%
+14
+14
Vs(V)
Vs(V)
+16
+16
T.H.D=1%
T.H.D=1%
+18
+18
+20
+20
11/23
+22
+22