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STA323W 数据表(PDF) 15 Page - STMicroelectronics

部件名 STA323W
功能描述  2.1 high efficiency digital audio system
PDF  71 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STA323W 数据表(HTML) 15 Page - STMicroelectronics

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STA323W
Electrical characteristics
15/71
VCC
Supply voltage operating
voltage
836
V
VL
Low logical state voltage
VL
VL = 3.3 V
0.8
V
VH
High logical state voltage
VH
VL = 3.3 V
1.7
V
IVCC-
PWRDN
Supply current from Vcc in
PWRDN
PWRDN = 0
3
mA
IVCC-hiz
Supply current from Vcc in
Tri-state
Vcc=30 V; Tri-state
22
mA
IVCC
Supply current from Vcc in
operation
(both channel switching)
Input pulse width = 50%
Duty;
Switching frequency =
384 Khz;
No LC filters;
80
mA
Iout-sh
Overcurrent protection
threshold (short circuit
current limit)
46
A
VUV
Under voltage protection
threshold
7V
tpw-min
Output minimum pulse
width
No Load
70
150
ns
Po
Output power (refer to test
circuit
THD = 10%
RL = 8 Ω; VS = 18 V
20
W
Po
Output power (refer to test
circuit
THD = 1%
RL = 8 Ω; VS = 18 V
16
W
Table 11.
Timing characteristics
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
treset
Reset hold time (pin 22)
Active low rest
100
nSec
VCO
VCO free run frequency
No clock applied
to XTI
18
28
Table 10.
Power electrical characteristics (VL = 3.3 V; Vcc = 30 V; Tamb = 25 °C
unless otherwise specified) (continued)
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit



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