STA540 STMicroelectronics, STA540 Datasheet - Page 10

• 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

Electrical characteristics curves
4
10/23
Figure 7.
Figure 9.
Figure 11. Output power versus supply voltage Figure 12. Distortion versus output power
20
18
16
14
12
10
8
6
4
2
0
8
Po (W)
SINGLE ENDED
RL= 2 Ω
f= 1 KHz
9
Quiescent drain current versus
supply voltage (single-ended and
bridge)
Output power versus supply voltage Figure 10. Output power versus supply voltage
Electrical characteristics curves
10
11
12
13
Vs (V)
14
15
THD= 10 %
THD= 1 %
16
17
18
Figure 8.
12
11
10
9
8
7
6
5
4
3
2
1
0
8
Po (W)
SINGLE ENDED
RL= 4Ω
f= 1 KHz
9
Quiescent output voltage versus
supply voltage (single-ended and
bridge)
10
11
12
Vs (V)
13
14
THD= 10 %
15
THD= 1 %
16
17
STA540
18