E-STA50513TR STMicroelectronics, E-STA50513TR Datasheet - Page 6

• Manufacturer Part Number: E-STA50513TR
• Description: Audio Amp Speaker 1-CH Mono/2-CH Stereo Class-AB 36-Pin PSOP T/R
• Manufacturer: STMicroelectronics

Specifications of E-STA50513TR

• Package: 36PSOP
• Function: Speaker
• Amplifier Type: Class-AB
• Maximum Output Power X Channels @ Load: 80x1@8Ohm|50x2@8Ohm W
• Total Harmonic Distortion Noise: 10@8Ohm@50W %
• Output Signal Type: Differential
• Output Type: 1-Channel Mono|2-Channel Stereo
• Maximum Load Resistance: 8 Ohm

STA505
Figure 4. Test Circuit.
Figure 5.
Figure 6.
6/10
DTin(A)
Duty cycle=A
INxA
Duty cycle = 50%
Low current dead time = MAX(DTr,DTf)
INxA
INxY
M58
M57
High Current Dead time for Bridge application = ABS(DTout(A)-DTin(A))+ABS(DTOUT(B)-DTin(B))
Duty cycle A and B: Fixed to have DC output current of 4.5A in the direction shown in figure
Q1
Q3
OUTxA
Iout=4.5A
DTout(A)
M58
M57
L67 22µ
gnd
470nF
C69
+Vcc
Q1
Q3
OUTxA
OUTxY
GND
C71 470nF
Rload=8Ω
+V
+V
CC
CC
OUTxB
Q2
Q4
OUTxY
470nF
L68 22µ
C70
DTr
R 8Ω
DTout(B)
Iout=4.5A
D00AU1134
OUTxB
DTf
+
-
Q2
Q4
vdc = Vcc/2
V67 =
D03AU1458
INxB
M64
M63
t
Vcc
(3/4)Vcc
(1/2)Vcc
(1/4)Vcc
D00AU1162A
Duty cycle=B
INxB
DTin(B)