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參數(shù)資料
| 型號(hào)： | RE46C167SW16F |
| 元件分類： | 模擬信號(hào)調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封裝： | 7.50 MM, ROHS COMPLIANT, PLASTIC, WSOIC-16 |
| 文件頁數(shù)： | 3/30頁 |
| 文件大小： | 443K |
| 代理商： | RE46C167SW16F |
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2010 Microchip Technology Inc.
DS22251A-page 11
RE46C165/6/7/8
2.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 2-1.
2.1
High/Normal Gain Capacitor Pins
(C1, C2)
The capacitor connected to the C1 pin sets the photo
amplifier gain (high) for the push-to-test and chamber
sensitivity test. The size of this capacitor will depend on
the chamber background reflections. A = 1 + (C1/10),
where C1 is expressed in pF. The gain should be
<10000.
The capacitor connected to the C2 pin sets the photo
amplifier gain (normal) during standby. The value of this
capacitor will depend on the smoke sensitivity required.
A = 1 + (C2/10), where C2 is expressed in pF.
2.2
Photo Diode Input (DETECT)
This input is normally connected to the cathode of an
external photo diode operated at zero bias.
2.3
Strobed Detection
Negative Supply (STROBE)
Regulated output voltage of VDD – 5, which is active
during a test for smoke. This output is the negative side
of the photo amplifier reference circuitry.
2.4
Positive Power Supply (VDD)
The VDD pin is the device’s positive power supply input.
2.5
Infrared Emitting Diode Pin (IRED)
Provides a regulated pulsed output voltage pre-driver
for the infrared emitter. This output usually drives the
base of an NPN transistor.
2.6
Interconnect Pin (I/O)
This bidirectional pin provides the capability to
interconnect many detectors in a single system. This
pin has an internal pull-down device.
2.7
Horn Brass, Inverted Output (HB)
The HB pin is connected to the metal electrode of a
piezoelectric transducer.
2.8
Horn Silver Output Pin (HS)
The HS pin is a complementary output to HB and
connects to the ceramic electrode of the piezoelectric
transducer.
TABLE 2-1:
PIN FUNCTION TABLE
RE46C165/6/7/8
PDIP, SOIC
Symbol
Function
1
C1
High Gain Capacitor Pin
2
C2
Normal Gain Capacitor Pin
3
DETECT
Photo Diode Input
4
STROBE
Strobed Detection Negative Supply
5VDD
Positive Power Supply
6
IRED
Infrared Emitting Diode Pin
7
IO
Interconnect Pin
8
HB
Horn Brass, Inverted Output
9
HS
Horn Silver Output
10
FEED
Horn Feedback Pin
11
LED
LED Driver Pin
12
COSC
Oscillator Capacitor Input
13
ROSC
Oscillator Resistor Drive Low
14
VSS
Negative Power Supply
15
VSEN
Hush Timer Sensitivity Pin
16
TEST
Test Pin
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| RE46C167SW16TF | 功能描述:煙霧報(bào)警器 Photo SD IC w/Alarm Mem Temp. Short Hush RoHS:否 制造商:ELMOS Semiconductor 描述/功能:Smoke detector controller 感應(yīng)方式:Photoelectric 工作電源電壓:24 V 輸出信號(hào)類型: |
| RE46C167TE | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:CMOS Photoelectric Smoke Detector ASIC with Interconnect, Timer Mode and Alarm Memory |
| RE46C167TE16F | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:CMOS Photoelectric Smoke Detector ASIC with Interconnect, Timer Mode and Alarm Memory |
| RE46C167TE16TF | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:CMOS Photoelectric Smoke Detector ASIC with Interconnect, Timer Mode and Alarm Memory |
| RE46C167TS | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:CMOS Photoelectric Smoke Detector ASIC with Interconnect, Timer Mode and Alarm Memory |
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