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TCS3210 PDF预览

TCS3210

更新时间: 2024-11-09 07:09:03
品牌 Logo 应用领域
TAOS 转换器
页数 文件大小 规格书
14页 162K
描述
COLOR LIGHT-TO-FREQUENCY CONVERTER

TCS3210 数据手册

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TCS3200, TCS3210  
PROGRAMMABLE  
COLOR LIGHT-TO-FREQUENCY CONVERTER  
r
r
TAOS099A − AUGUST 2011  
PACKAGE D  
8-LEAD SOIC  
(TOP VIEW)  
D High-Resolution Conversion of Light  
Intensity to Frequency  
D Programmable Color and Full-Scale Output  
Frequency  
S0 1  
S1 2  
8 S3  
D Communicates Directly With a Microcontroller  
D Single-Supply Operation (2.7 V to 5.5 V)  
D Power Down Feature  
7 S2  
OE 3  
6 OUT  
5 VDD  
D Nonlinearity Error Typically 0.2% at 50 kHz  
D Stable 200 ppm/°C Temperature Coefficient  
GND 4  
TCS3200  
D Low-Profile Lead (Pb) Free and RoHS  
Compliant Surface-Mount Package  
S0 1  
S1 2  
8 S3  
Description  
7 S2  
The TCS3200 and TCS3210 programmable color  
light-to-frequency converters that combine confi-  
gurable silicon photodiodes and a current-to-fre-  
quency converter on a single monolithic CMOS  
integrated circuit. The output is a square wave  
(50% duty cycle) with frequency directly propor-  
tional to light intensity (irradiance).  
OE 3  
6 OUT  
5 VDD  
GND 4  
TCS3210  
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.  
In the TCS3200, the light-to-frequency converter reads an 8 × 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.  
In the TCS3210, the light-to-frequency converter reads a 4 × 6 array of photodiodes. Six photodiodes have blue  
filters, 6 photodiodes have green filters, 6 photodiodes have red filters, and 6 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 photodiodes of the same color are connected in parallel. Pins S2 and S3 are used to select which  
group of photodiodes (red, green, blue, clear) are active. Photodiodes are 110 μm × 110 μm in size and are on  
134-μm centers.  
Functional Block Diagram  
Output  
Current-to-Frequency  
Photodiode  
Light  
Converter  
Array  
S2 S3  
S0 S1  
OE  
Copyright E 2011, TAOS Inc.  
The LUMENOLOGY r Company  
Texas Advarnced Optoelectronic Solutions Inc.  
1001 Klein Road S Suite 300 S Plano, TX 75074 S (972) 673-0759  
www.taosinc.com  
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