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參數(shù)資料
| 型號(hào)： | AS8412 |
| 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, PDIP20 |
| 封裝： | DIP-20 |
| 文件頁(yè)數(shù)： | 13/14頁(yè) |
| 文件大小： | 116K |
| 代理商： | AS8412 |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)當(dāng)前第13頁(yè)第14頁(yè)
High Performance Automotive Sonar Intrusion – Data Sheet
AS8412
March 2001
Page 13 of 14
Application Circuits
The AS8412 is designed to provide a flexible utilization, so many application circuits are possi-
ble. Only two of them are presented.
The Application Circuit I of Fig. 8a is suitable to be used in a microcontroller-based alarm sys-
tem. The 40-kHz clock is synthesized by the microcontroller, that also controls the digital sen-
sitivity. By having access to all the signalling outputs, the alarm system can be programmed to
signalize any combination of the disturbances detectable by the AS8412.
This arrangement uses a minimum number of components to implement an intrusion detector.
TX1
OSCIN
OSCOUT
VCAP
AVDD
AGND
RXGND
RX
SEL4OK
ALEN
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
TX2
ALARM
WARN
LED
GND
VDD
TP
SAS
SENS1
SENS0
UT1
40kHz
from
μ-Processor
N.C.
C1
VDD
C2
100n
R1
100k
C4
100n
UT2
To
μ-Processor
Programmable
Sensitivity
(Digital)
SAS Control
N.C.
VDD
VDD
C3
100n
Fig. 8a - Application Circuit I
TX1
OSCIN
OSCOUT
VCAP
AVDD
AGND
RXGND
RX
SEL4OK
ALEN
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
TX2
ALARM
WARN
LED
GND
VDD
TP
SAS
SENS1
SENS0
R2
100k
C1
100p
UT2
VDD
Programmable
Sensitivity
(Digital)
N.C.
VDD
C5
100n
VDD
VDD
N.C.
R1
C2
100p
C3
R3
C6
100n
C4
100n
UT1
CR1
D1
To Control Unit
C7
Fig. 8b - Application Circuit II
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS8413 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:HIGH PERFORMANCE AUTOMOTIVE SONAR INTRUSION |
| AS8424-A | 制造商:Coilcraft Inc 功能描述:DSL transformer, for AD20MSP910/918, not RoHS |
| AS8425-A | 制造商:Coilcraft Inc 功能描述:DSL transformer, for Motorola MC145660, not RoHS |
| AS8426-A | 制造商:Coilcraft Inc 功能描述:DSL transformer, for Alcatel MTK-20140, not RoHS |
| AS8444 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:Programmable PWM DC Motor Driver / Controller |
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