TCS3472 Datasheet PDF - TAOS
| Part Number | TCS3472 | |
| Description | COLOR LIGHT-TO-DIGITAL CONVERTER | |
| Manufacturers | TAOS | |
| Logo |  |
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There is a preview and TCS3472 download ( pdf file ) link at the bottom of this page. Total 26 Pages | ||
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Features
D Red, Green, Blue (RGB), and Clear Light
Sensing with IR Blocking Filter
− Programmable Analog Gain and
Integration Time
− 3,800,000:1 Dynamic Range
− Very High Sensitivity — Ideally Suited for
Operation Behind Dark Glass
D Maskable Interrupt
− Programmable Upper and Lower
Thresholds with Persistence Filter
D Power Management
− Low Power — 2.5-mA Sleep State
− 65-mA Wait State with Programmable Wait
State Time from 2.4 ms to > 7 Seconds
D I2C Fast Mode Compatible Interface
− Data Rates up to 400 kbit/s
− Input Voltage Levels Compatible with VDD
or 1.8 V Bus
D Register Set and Pin Compatible with the
TCS3x71 Series
D Small 2 mm y 2.4 mm Dual Flat No-Lead
(FN) Package
TCS3472
COLOR LIGHT-TO-DIGITAL CONVERTER
with IR FILTER
TAOS135 − AUGUST 2012
PACKAGE FN
DUAL FLAT NO-LEAD
(TOP VIEW)
VDD 1
SCL 2
GND 3
6 SDA
5 INT
4 NC
Package Drawing Not to Scale
Applications
D RGB LED Backlight Control
D Light Color Temperature Measurement
D Ambient Light Sensing for Display
Backlight Control
D Fluid and Gas Analysis
D Product Color Verification and Sorting
End Products and Market Segments
D TVs, Mobile Handsets, Tablets, Computers,
and Monitors
D Consumer and Commercial Printing
D Medical and Health Fitness
D Solid State Lighting (SSL) and Digital
Signage
D Industrial Automation
Description
The TCS3472 device provides a digital return of red, green, blue (RGB), and clear light sensing values. An IR
blocking filter, integrated on-chip and localized to the color sensing photodiodes, minimizes the IR spectral
component of the incoming light and allows color measurements to be made accurately. The high sensitivity,
wide dynamic range, and IR blocking filter make the TCS3472 an ideal color sensor solution for use under
varying lighting conditions and through attenuating materials.
The TCS3472 color sensor has a wide range of applications including RGB LED backlight control, solid-state
lighting, health/fitness products, industrial process controls and medical diagnostic equipment. In addition, the
IR blocking filter enables the TCS3472 to perform ambient light sensing (ALS). Ambient light sensing is widely
used in display-based products such as cell phones, notebooks, and TVs to sense the lighting environment and
enable automatic display brightness for optimal viewing and power savings. The TCS3472, itself, can enter a
lower-power wait state between light sensing measurements to further reduce the average power consumption.
The LUMENOLOGY r Company
r
Texas Advanced Optoelectronic Solutions Inc.
1001 Klein Road S Suite 300 S Plano, TX 75074 S (972r) 673-0759
www.taosinc.com
Copyright E 2012, TAOS Inc.
1
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TCS3472
COLOR LIGHT-TO-DIGITAL CONVERTER
with IR FILTER
TAOS135 − AUGUST 2012
Wait Characteristics, VDD = 3 V, TA = 255C, WEN = 1 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
CHANNEL
MIN TYP
Wait step size
WTIME = 0xFF
2.27 2.4
Wait number of integration steps (Note 1)
1
MAX
2.56
256
UNIT
ms
steps
NOTE 1: Parameter ensured by design and is not tested.
AC Electrical Characteristics, VDD = 3 V, TA = 255C (unless otherwise noted)
PARAMETER†
TEST CONDITIONS
MIN
f(SCL)
Clock frequency (I2C only)
0
t(BUF)
Bus free time between start and stop condition
1.3
t(HDSTA)
Hold time after (repeated) start condition. After
this period, the first clock is generated.
0.6
t(SUSTA)
Repeated start condition setup time
t(SUSTO)
Stop condition setup time
t(HDDAT)
Data hold time
t(SUDAT)
Data setup time
t(LOW)
SCL clock low period
t(HIGH)
SCL clock high period
tF Clock/data fall time
tR Clock/data rise time
Ci Input pin capacitance
† Specified by design and characterization; not production tested.
0.6
0.6
0
100
1.3
0.6
TYP MAX UNIT
400 kHz
μs
μs
μs
μs
μs
ns
μs
μs
300 ns
300 ns
10 pF
PARAMETER MEASUREMENT INFORMATION
SCL
t(BUF)
SDA
t(LOW)
t(R)
VIH
VIL
t(HDSTA)
t(HDDAT)
VIH
VIL
t(F)
t(HIGH) t(SUSTA)
t(SUDAT)
P
Stop
Condition
S
Start
Condition
S
Figure 1. Timing Diagrams
t(SUSTO)
P
The LUMENOLOGY r Company
r
www.taosinc.com
r
Copyright E 2012, TAOS Inc.
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for TCS3472 electronic component. |
| Information | Total 26 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ TCS3472.PDF Datasheet ] | |
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