sta335ml STMicroelectronics, sta335ml Datasheet - Page 9

• Manufacturer Part Number: sta335ml
• Description: 2-channel Microless High-efficiency Digital Audio System Sound Terminaltm
• Manufacturer: STMicroelectronics

STA335ML
3.6
3.7
Power-on sequence
Figure 3.
Test circuits
Figure 4.
Figure 5.
DTin(A)
Duty cycle=A
VCC
VCC
VCC
VCC
VDD_Dig
VDD_Dig
VDD_Dig
VDD_Dig
XTI
XTI
XTI
XTI
Reset
Reset
Reset
Reset
PWDN
PWDN
PWDN
PWDN
INA
TR = minimum time between XTI master clock stable and reset removal: 1 ms
Note 1: clock stable means: f
Note 2: No specific V
Power-on sequence
Resistive load
Test circuit
Duty cycle = 50%
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 Iout in the direction shown in figure
Low current dead time = MAX(DTr,DTf)
INxY
Q1
Q3
OUTA
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
Don’t care
DTout(A)
Iout
Doc ID 17638 Rev 3
CC
and V
L67 22µ
M58
M57
470nF
C69
gnd
max
DD
+Vcc
- f
turn-on sequence is required.
OUTxY
C71 470nF
min
Rload=8Ω
TR
TR
TR
TR
+V
CC
< 1 MHz
OUTxY
470nF
L68 22µ
C70
DTr
R 8Ω
DTout(B)
Iout
DTf
+
-
vdc = Vcc/2
OUTB
V67 =
D03AU1458
Q2
Q4
Electrical specifications
t
Vcc
(3/4)Vcc
(1/2)Vcc
(1/4)Vcc
D03AU1517_00
Duty cycle=B
INB
DTin(B)
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