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PDF M3000 Data sheet ( Hoja de datos )
| Número de pieza | M3000 | |
| Descripción | PIR INFRARED REMOTE CONTROL CIRCUIT | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de M3000 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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UNISONIC TECHNOLOGIES CO., LTD
M3000
Preliminary
LINEAR INTEGRATED CIRCUIT
PIR INFRARED REMOTE CONTROL
CIRCUIT
DESCRIPTION
The M3000 is a passive infra-red controller using analog mixing
digital design technique and is manufactured by CMOS process.
The M3000 needs only few external components in application
circuit. It can be applied in controller of light, electric switching,
burglar alarm, and so on.
FEATURES
* Low Power CMOS Technology
* CMOS High Input Impedance Operational Amplifiers
* Bi-Directional Level Detector / Excellent noise Immunity
* Built-in Power up Disable & Output Pulse Control Logic
* Dual Mode : Retriggerable & Non-Retriggerable
ORDERING INFORMATION
Ordering Number
M3000G-S16-R
Package
SOP-16
Packing
Tape Reel
www.unisonic.com.tw
Copyright © 2010 Unisonic Technologies Co., Ltd
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QW-R502-473.a
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M3000
FUNCTIONAL DESCRIPTIONS
1. Re-Triggerable Mode
CMOS IC
Re-Triggerable Waveform
Operational amplifier OP1 composed sensor signal pre-processing circuit. The amplified signal coupled to the
operational amplifier OP2, and elevated DC level to VM (≈0.5VDD), The output signal V2 input to Bi-directional level
detector(COP1&COP2), detected the effective signal Vs. As the VH≈0.7VDD, VL≈0.3VDD, while VDD=5V, it is
immune to the ±1V noise interference and can improve system reliability.
COP3 is a condition comparator. When the input voltage Vc<VR(≈0.2VDD), COP3 output is low, it disabled the
Vs transmission to State Control circuit; When Vc>VR, COP3 output is high, chip access to extension time period.
When pin A connect to "0", any change of V2 have been ignored until the end of Tx period, which called
non-retriggerable mode. When the Tx period ended, Vo jump back to the low level, chip access to the lock period Ti.
During the Ti period, any changes of V2 can not make Vo jumping to valid state (high level), it can inhibit a variety of
interference when the load changed.
2. Non-Retriggerable mode
V2 VH
VL
VS
A
VC
VOUT
Tx Ti
Tx Ti
Non-Retriggerable Waveform
During the time of Vc="0", A="0"，signal Vs can not trigger Vo to a valid state; When Vc="1", A="1", Vs can
repeatable trigger Vo to the valid state, and keep the state in Tx period.
In the Tx period, if Vs jump to "1", then Vo extend to an another Tx; if Vs keep "1" state, Vo maintains the valid
state; if Vs keep "0 "state, after the period of Tx, Vo change to invalid state, and in the Ti time, any change of Vs can
not trigger Vo to a valid state.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet M3000.PDF ] | |
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