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參數(shù)資料
| 型號(hào)： | AS8413 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | HIGH PERFORMANCE AUTOMOTIVE SONAR INTRUSION |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP24 |
| 封裝： | DIP-24 |
| 文件頁數(shù)： | 5/15頁 |
| 文件大?。?/td> | 125K |
| 代理商： | AS8413 |
High Performance Automotive Sonar Intrusion – Data Sheet
AS8413
March 2001
Page 5 of 15
Low Level Output Voltage
Vol
-
-
-
0.5
0.5
0.5
V
V
V
Pins 1, 20, 24
Pins 22,23
Pins 21
Iol=3 mA
Iol=4 mA
Iol=12mA
High Level Output Voltage
Voh
4.0
-
-
V
Pins 1, 20, 24
Ioh=-3 mA
Low Level Output Voltage
V
ol
-
-
-
-
0.4
1.5
V
V
Pin 4 (SEL40K= 0)
Pin 4 (SEL40K= 1)
I
ol
=100uA
I
ol
=10 uA
High Level Output Voltage
V
oh
4.6
3.5
-
-
-
-
V
V
Pin 4 (SEL40K= 0)
Pin 4 (SEL40K= 1)
I
oh
=-100 uA
I
oh
=-10 uA
High-Z Output Current
I
oz
-
-
10
μA
Pins 21, 22, 23
V
o
=5V
Total Supply Current
I
dd
-
-
0.65
1.0
1.0
1.6
mA
mA
SEL40K= 1
SEL40K= 0
crystal or clock
ceramic resonator
C1=C2=100pF
A.C. Electrical Characteristics
(V
DD
= 5 V, V
SS
= Ground, T
A
= 25°C)
Parameter
Symbol
Min
Typ
Max
Units
Conditions
Power-on-reset width
t
por
50
500
500
-
-
-
70
530
800
ms
SEL40K= 0, resonator / clock
SEL40K= 1, clock
SEL40K= 1, crystal
Self-test delay (incl. t
por
)
t
std
1.3
1.7
1.7
-
-
-
1.4
1.9
2.1
s
SEL40K= 0, resonator / clock
SEL40K= 1, clock
SEL40K= 1, crystal
Fault indication pulse width
t
stw
t
sync
T
sync
4.3
-
4.6
s
SYNC pulse width
-
0.6
-
ms
SYNC period
-
44.4
-
ms
ALARM low pulse width
t
al
200
-
-
ms
Pins 22, 23
LED low pulse width
t
onn
t
onw
-
-
89
977
-
-
ms
ms
narrow = no detection
wide = detection
LED low pulse width
t
off
-
888
-
ms
System Description
Ultrasonic intrusion detectors are very popular in vehicle security systems, due to their low cost,
good area coverage and easiness of installation. The AS8413 uses the sonar principle to build a
high-performance intrusion detector that follows the requirements of the OEM automotive indus-
try. Additionally, the IC supports the use of two or more pairs of sensors. As very short ultrasonic
bursts are sent, the power needed to drive the transmitter is reduced. Interference and signal
ancellation effects, present in systems with continuous transmission, are virtually eliminated.
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