STA505 STMicroelectronics, STA505 Datasheet - Page 7

• Manufacturer Part Number: STA505
• Description: IC AMP AUDIO PWR 50W D POWERSO36
• Manufacturer: STMicroelectronics
• Type: Class Dr

Specifications of STA505

• Output Type: 1-Channel (Mono) or 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 50W x 2 @ 8 Ohm, 80W x 1 @ 8 Ohm
• Voltage - Supply: 10 V ~ 36 V
• Features: Thermal Shutdown Protection
• Mounting Type: Surface Mount
• Package / Case: PowerSO-36 Exposed Top Pad
• Operational Class: Class-AB
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 10@8Ohm@50W%
• 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): 10V
• Single Supply Voltage (max): 36V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 90C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 36
• Package Type: PSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2142; 497-2142-5; 497-2142

Figure 7. Typical Single BTL Configuration to Obtain 80W @ THD 10%, R
Note: 1. "A PWM modulator as driver is needed . In particular, this result is performed using the STA30X+STA50X demo board".
Figure 8. Typical Quad Half Bridge Configuration
For more information refer to the application notes AN1456 and AN1661
TH_WAR
TH_WAR
+3.3V
+3.3V
100nF
C58
nPWRDN
10K
R57
10K
IN1A
IN1B
100nF
C60
100nF
PWRDN
C58
100nF
100nF
100nF
100nF
R59
C53
10K
X7R
IN1A
IN1B
IN2A
IN2B
10K
100nF
100nF
X7R
X7R
Add.
TRI-STATE
GND-Clean
GND-Reg
TH_WAR
V
V
GNDSUB
CONFIG
PWRDN
CC
CC
FAULT
SIGN
SIGN
IN1A
IN1B
IN2A
IN2B
V
V
V
V
V L
DD
DD
SS
SS
GND-Clean
TRI-STATE
FAULT
GND-Reg
TH_WAR
V
V
GNDSUB
CONFIG
PWRDN
CC
CC
29
23
24
25
27
26
28
30
21
22
33
34
35
36
31
20
19
32
1
SIGN
SIGN
IN1A
IN1B
IN2A
IN2B
V
V
V
V
VL
DD
DD
SS
SS
PROTECTIONS
REGULATORS
LOGIC
23
19
20
21
22
24
28
25
27
26
29
30
31
32
33
34
35
36
1
&
M17
M15
M16
M14
M3
M2
M5
M4
15
17
16
14
12
11
10
13
7
8
9
6
4
3
2
5
D03AU1474
V
OUTPL
OUTPL
PGND1P
V
OUTNL
OUTNL
PGND1N
V
OUTPR
OUTPR
PGND2P
V
OUTNR
OUTNR
PGND2N
CC
CC
CC
CC
1P
1N
2P
2N
C51
1µF
C52
1µF
18
17
16
11
10
15
12
14
13
9
8
3
2
7
4
6
5
N.C.
OUT1A
OUT1A
OUT1B
OUT1B
OUT2A
OUT2A
OUT2B
OUT2B
V
V
V
V
GND1A
GND1B
GND2A
GND2B
CC
CC
CC
CC
330pF
100nF
330pF
330pF
100nF
330pF
C41
C61
C42
C43
C62
C44
1A
1B
2A
2B
R41
R42
R43
R44
20
20
20
20
L11 22µH
L12 22µH
L13 22µH
L14 22µH
100nF
100nF
100nF
100nF
C71
C72
C73
C74
R51
R52
R53
R54
6
6
6
6
1/2W
22Ω
X7R
X7R
1µF
1µF
D01AU1274
330pF
100nF
100nF
100nF
100nF
C81
C82
C83
C84
22µH
22µH
1/2W
1/2W
L
6.2
6.2
R61
R62
R63
R64
R65
R66
R67
R68
5K
5K
5K
5K
5K
5K
5K
5K
= 8Ω, V
2200µF
C31 820µF
C32 820µF
C33 820µF
C34 820µF
100nF
100nF
FILM
FILM
63V
C91
C92
C93
C94
1µF
1µF
1µF
1µF
100nF
100nF
+36V
+36V
X7R
X7R
470nF
CC
FILM
4Ω
4Ω
4Ω
4Ω
= 36V (note 1)
+V
2200µF
C21
CC
STA505
8Ω
7/10