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参数资料
| 型号： | PT8A261DE |
| 厂商： | PERICOM SEMICONDUCTOR CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, UUC18 |
| 封装： | DIE-18 |
| 文件页数： | 8/13页 |
| 文件大小： | 83K |
| 代理商： | PT8A261DE |
Data Sheet
PT8A261/262
PIR Sensor Light Switch Controller
PT0075(04/03)
Ver:5
4
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Pin Assignment
Figure 2
Pin Description
Table 1
Pin/Pad
Name
Type
Description
261
262
1
GND
Ground Ground
2
RELAY
O
RELAY drive output through an external NPN transistor, active high
2
TRIAC
O
TRIAC drive two-pulse output, active negative pulse.
3
OSCD
I/O
Output timing oscillator I/O, connected to an external RC to adjust output duration.
4
OSCS
I/O
System oscillator I/O, connected to an external RC to set the system frequency. The system
frequency = 16kHz for normal application.
5
ZC
I
Schmitt input for AC zero crossing detection.
6
CDS
I
Connected to a CDS voltage divider for daytime/night auto-detection. Low input to this pin
can disable PIR input. CDS is a schmitt trigger input with 5-second input debounce time.
7
MODE
I
Mode select, connecting to V
CC
- output always on, connection GND - output always off,
open - auto detection
8
V
CC
Power
Power supply
9
V
EE
O
Internal voltage regulator output, 3.6V with respect to ground. Connected to the drain of
PIR sensor
10
RST
I
Chip reset input, active low, kept floating or connected an RC network
11
OP1P
I
Non-inverted input of first operational amplifier, connected directly to source of PIR sensor
12
OP1N
I
Inverted input of first operational amplifier
13
OP1O
O
Output of first operational amplifier
14
OP2P
I
Non-inverted input of second operational amplifier.
15
OP2N
I
Inverted input of second operational amplifier
16
OP2O
O
Output of second operational amplifier
PT8A261P/PT8A261W
GND
TRIAC
1
OSCD
OSCS
ZC
MODE
V
CC
OP2O
OP2N
OP2P
OP1O
OP1N
OP1P
RST
V
EE
CDS
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Top view
PT8A262P/PT8A262W
GND
RELAY
1
OSCD
OSCS
ZC
MODE
V
CC
OP2O
OP2N
OP2P
OP1O
OP1N
OP1P
RST
V
EE
CDS
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Top view
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PT8A261P | 制造商:PERICOM 制造商全称:Pericom Semiconductor Corporation 功能描述:PIR Sensor Light Switch Controller |
| PT8A261W | 制造商:PERICOM 制造商全称:Pericom Semiconductor Corporation 功能描述:PIR Sensor Light Switch Controller |
| PT8A262 | 制造商:PERICOM 制造商全称:Pericom Semiconductor Corporation 功能描述:PIR Sensor Light Switch Controller |
| PT8A2620 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:PIR Sensor Light Switch Controller? |
| PT8A2621 | 制造商:PERICOM 制造商全称:Pericom Semiconductor Corporation 功能描述:PIR Sensor Light Switch Controller |
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