sta323wqs STMicroelectronics, sta323wqs Datasheet - Page 15

• Manufacturer Part Number: sta323wqs
• Description: 2.1-channel High-efficiency Digital Audio System With Qsound Qhd??
• Manufacturer: STMicroelectronics

STA323WQS
Table 10.
Table 11.
V
V
V
I
PWRDN
I
I
I
V
t
P
P
treset
VCO
Symbol
Symbol
VCC-
VCC-hiz
VCC
out-sh
pw-min
o
o
CC
L
H
UV
Supply voltage operating
voltage
Low logical state voltage
VL
High logical state voltage
VH
Supply current from Vcc in
PWRDN
Supply current from Vcc in
Tri-state
Supply current from Vcc in
operation
(both channel switching)
Overcurrent protection
threshold (short circuit
current limit)
Under voltage protection
threshold
Output minimum pulse
width
Output power (refer to test
circuit
Output power (refer to test
circuit
Reset hold time (pin 22)
VCO free run frequency
Power electrical characteristics (V
unless otherwise specified) (continued)
Timing characteristics
Parameter
Parameter
Active low rest
No clock applied
to XTI
Test condition
V
V
PWRDN = 0
Vcc=30 V; Tri-state
Input pulse width = 50%
Duty;
Switching frequency =
384 Khz;
No LC filters;
No Load
THD = 10%
R
THD = 1%
R
L
L
L
L
= 3.3 V
= 3.3 V
= 8 Ω; V
= 8 Ω; V
Test conditions
S
S
= 18 V
= 18 V
L
100
18
= 3.3 V; Vcc = 30 V; T
Min.
8
0.8
4
70
28
Min.
Typ.
Electrical characteristics
22
80
6
7
20
16
Typ.
amb
Max.
36
1.7
3
150
= 25 °C
Max.
V
V
V
mA
mA
mA
A
V
ns
W
W
nSec
Unit
Unit
15/72