STA540 STMicroelectronics, STA540 Datasheet - Page 9

• 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 6.
IN_Bridge
Stereo plus bridge drive
ST_BY
IN_R
IN_L
220 nF
470 nF
10 kΩ
220 nF
47 µF
10 µF
4
5
12
11
6
7
8
STA540
13
9
3
10
15
14
100 nF
1
2
2200 µF
2200 µF
Suggested applications:
2x 9 W into 2 Ω, +1x 18 W into 4 Ω, at 12 V
2x 12 W into 2 Ω, +1x 26 W into 4 Ω, at 14.4 V
2x 8 W into 4 Ω, +1x 16 W into 8 Ω, at 16 V
1000 µF
OUT_Bridge
OUT_R
OUT_L
Standard application circuits
V
S
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