参数资料
型号: BD9251FV-E2
厂商: Rohm Semiconductor
文件页数: 8/11页
文件大小: 0K
描述: IC PREAMP HBD PIR SENSOR 14-SSOP
标准包装: 1
类型: 前置放大器
输入类型: 电压
输出类型: 电压
电流 - 电源: 300µA
安装类型: 表面贴装
封装/外壳: 14-LSSOP(0.173",4.40mm 宽)
供应商设备封装: 14-SSOP
包装: 标准包装
其它名称: BD9251FV-E2DKR
Technical Note
6/8
BD9251FV
www.rohm.com
2011.10 - Rev.A
2011 ROHM Co., Ltd. All rights reserved.
Timing chart ( When using dual type pyro sensor )
Left
Right
Left
Right
Time axis
A1P_IN
(Pyro sensor output)
Pyro sensor output)
A2_OUT
(Analog output)
VREF_H side
Comparator output
VREF_L side
Comparator output
D_OUT
T_OUT
VREF_H
VREF_L
Pyro sensor
VREF_H
VREF_L
Pyro sensor
LH
H
L
Sensor Part
1
2
Sensor Part
1
2
When using dual type pyro sensor , it’s possible to detect the direction of movement by checking the switch of T_out signal at D_out=H.
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