STA540 STMicroelectronics, STA540 Datasheet - Page 11
STA540
Manufacturer Part Number
STA540
Description
IC AMP AUD DUAL/QUAD MULTIWATT15
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheet
1.STA540.pdf
(23 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STA540
Manufacturer:
FOXCONN
Quantity:
2 300
Part Number:
STA540
Manufacturer:
ST
Quantity:
20 000
Company:
Part Number:
STA540SA
Manufacturer:
ST
Quantity:
12 000
Part Number:
STA540SA
Manufacturer:
ST
Quantity:
20 000
Part Number:
STA540SAN
Manufacturer:
ST
Quantity:
20 000
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