STA500 STMicroelectronics, STA500 Datasheet - Page 8

• Manufacturer Part Number: STA500
• Description: IC AMP AUDIO PWR 60W D POWERSO36
• Manufacturer: STMicroelectronics
• Type: Class Dr

Specifications of STA500

• Output Type: 2-Channel (Stereo) or 4-Channel (Quad)
• Max Output Power X Channels @ Load: 60W x 2 @ 8 Ohm
• Voltage - Supply: 10 V ~ 36 V
• Features: Short-Circuit and Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: PowerSO-36 Exposed Bottom Pad
• Operational Class: Class-AB
• Audio Amplifier Function: Speaker
• Single Supply Voltage (typ): 12/15/18/24/28V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Rail/rail I/o Type: No
• Single Supply Voltage (min): 9V
• Single Supply Voltage (max): 40V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 38
• Package Type: PSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3947-5

STA500
Figure 5. Distortion vs Output Power
Figure 6. Tolal Power Dissipation & Efficiency
8/11
%
90
80
70
60
50
40
30
20
0.05
0.02
0.01
0.5
0.2
0.1
10
700m
5
2
1
0
(STA304A+STA500)
1
vs Output Power
Pdiss
5
Efficiency
Eq.
Vcc=30V
Rl=80hm
2
f=1KHz
10
3
4
Pout (W)
5
15
W
6
7 8 9 10
STA304A+STA500
20
1channel
Rl=8ohm
Vcc=25V
F=1KHz
25
20
30
30
40
7
6
5
4
3
2
1
0
50
Figure 7. Output Power vs Supply Voltage
Figure 8. Output Power vs Supply Voltage
Pout (W)
Pout (W)
50
45
40
35
30
25
20
15
10
5
+12
50
45
40
35
30
25
20
15
10
5
0
+12
+13
+12.5
(STA304A+STA500)
(STA304A+STA500)
+14
filter 22uH+ 0.47uF diff+
0.1uF common mode
+13
Rload = 8 ohm
+15
f = 1KHz
4 ohm load
+13.5
+16
STA500
+17
+14
+18
+14.5
+19
Vcc (V)
Vsupply (V)
+15
Vdc
+20
+21
+15.5
THD = 10%
+22
+16
THD = 10%
+23
THD = 1%
THD = 1%
+16.5
+24
+25
+17
+26
+17.5
+27
+18
+28