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参数资料
| 型号： | OPB780 |
| 厂商： | Optek Technology |
| 英文描述： | Slotted Switch |
| 中文描述： | 开槽开关 |
| 文件页数： | 1/1页 |
| 文件大小： | 119K |
| 代理商： | OPB780 |
OPTEK Technology Inc. —
1645 Wallace Drive, Carrollton, Texas 75006
Phone: (972) 323-2200 or (800) 341-4747
FAX: (972) 323-2396 sensors@optekinc.com www.optekinc.com
Issue A 05/05
Page 1 of 3
OPTEK reserves the right to make changes at any time in order to improve design and to supply the best product possible.
OPT EK T ec hnology
Slotted Switch
OPB780
Features:
High-Resolution conversion of Light intensity to Frequency
Communicates Directly with a Microcontroller
Single-Supply Operation (2.7V to 5.5V)
Nonlinearity Error Typically 0.2% at 50 kHz
Stable 200 ppm/°C Temperature Coefficient
Description:
The OPB780 programmable color light-to-frequency converter combines configurable silicon photodiodes and a current-to-
frequency converter on single monolithic CMOS integrated circuit. The output is a square wave (50% duty cycle) with
frequency directly proportional to light intensity (irradiance). The full-scale output frequency can be scaled by one of three
preset values via two control input pins. Digital inputs and digital output allow direct interface to a microcontroller or other
logic circuitry. Output enable (OE@) places the output in the high-impedance state for multiple-unit sharing of a
microcontroller input line.
The light-to-frequency converter reads an 8 x 8 array of photodiodes. Sixteen photodiodes have blue filters, 16 photodiodes
have green filters, 16 photodiodes have red filters, and 16 photodiodes are clear with no filters. The four types (colors) of
photodiodes are interdigitated to minimize the effect of non-uniformity of incident irradiance. All 16 photodiodes of the same
color are connected in parallel and which type of photodiode the device uses during operation is pin-selectable.
Product Photo Here
Ordering Information
OPB780
Programmable Color Light-To-Frequency converter
Color-
Pin #
Description
1
SO
2
S1
3
OE
4
Ground
5
VDD
6
Output
7
S2
8
S3
Applications:
Bill Validation
Object Color Recognition
Pill Verification
Vending Machine Object Verification
Identification of Paint Color
Badge Color Identification
Monitor to Printer Matching
Etc.
RoHS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| OPB780KIT | 功能描述:光学传感器开发工具 Color Sensing Kit RoHS:否 制造商:ams 工具用于评估: 接口类型: 最大工作温度: |
| OPB780KIT | 制造商:TT Electronics / OPTEK Technology 功能描述:LED Accessory |
| OPB780Z | 功能描述:光频率和光电压 256K COLOR SENSOR RoHS:否 制造商:ams 峰值波长:1000 nm 工作电源电压:5 V 最大工作温度:+ 85 C 最小工作温度:- 25 C 安装风格: 封装 / 箱体: |
| OPB780Z | 制造商:TT Electronics / OPTEK Technology 功能描述:Power LED Illuminator |
| OPB800L | 制造商:OPTEK 制造商全称:OPTEK 功能描述:WIDE GAP SLOTTED OPTICAL SWITCHES |
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