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PDF TMD3782 Data sheet ( Hoja de datos )
| Número de pieza | TMD3782 | |
| Descripción | Color Light-To-Digital Converter | |
| Fabricantes | ams | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TMD3782 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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TMD3782
Datasheet - Mar. 2013 - V2
General Description
Figure TMD3782 – 1:
Key Benefits and Features
Color Light-To-Digital Converter with Proximity Sensing
The TMD3782x device will perform color temperature
measurement, ambient light sensing (ALS) and proximity
detection with background light rejection. The device detects
light intensity under a variety of lighting conditions and through a
variety of attenuation materials, including dark glass. The
proximity detection feature allows a large dynamic range of
operation for accurate distance detection, such as in a cell phone
when the user positions the phone close to their ear. IR LED sink
current is factory trimmed to provide consistent proximity
response without requiring customer calibrations. An internal
state machine provides the ability to put the device into a low power
state between proximity and RGBC measurements providing very
low average power consumption.
The color sensing feature is useful in applications such as
backlight control, solid state lighting, reflected LED color
sampler, or fluorescent light color temperature detection. The
integrated IR blocking filter makes this device an excellent
ambient light sensor, color temperature monitor, and general
purpose color sensor.
Benefit
Feature
Single Device Integrated Optical Solution
RGB, Ambient Light Sensor (ALS) and Proximity Support
• Power Management Features
• I2C Fast Mode Interface Compatible
• Integral IR LED
• Small 8 lead optical module
Color Temperature and Ambient Light
Sensing
• UV / IR blocking filters
• Programmable Gain & Integration Time
• 1,000,000:1 Dynamic Range
Equal Response to 360º Incident Light
Circular Segmented RGBC Photodiode
Ideal for Operation Behind Dark Glass
Very High Sensitivity
Proximity Detection with Integrated IR LED
• Background Ambient Light Rejection
• Factory Trimmed, Consistent Response
• Programmable Current Sink for IR LED Drive
Datasheet - Mar. 2013 - V2
TMD3782 – 1
1 page  
Absolute Maximum Ratings
Figure TMD3782 – 6:
Absolute Maximum Ratings
Stresses beyond those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device. These are
stress ratings only. Functional operation of the device at these
or any other conditions beyond those indicated under
“Operating Conditions” is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
Parameter
Supply voltage, VDD
Digital I/O Voltage (except LDR)
Max LEDA Voltage (Note 2)
Max LDR Voltage (Note 3)
Output terminal current (except LDR)
Storage temperature range, Tstg
ESD tolerance, human body model
Min Max Units
Comments
3.8 V All voltages are with respect to GND
-0.5 3.8
V
4.8 V
4.4 V
-1 20 mA
-40 85
ºC
2000 V
Notes:
1. All voltages are with respect to GND.
2. Maximum 4.8V DC over 7 years lifetime
Maximum 5.0V spikes with up to 250s cumulative duration over 7 years lifetime
Maximum 5.5V spikes with up to 10s (=1000*10ms) cumulative duration over 7 years lifetime
3. Maximum voltage with LDR = off
Electrical Characteristics
Figure TMD3782 – 7:
Recommended Operating Conditions
All limits are guaranteed. The parameters with min and max
values are guaranteed with production tests or SQC (Statistical
Quality Control) methods.
Symbol
Parameter
Min Typ Max Units
VDD Supply voltage
2.7 3 3.3 V
TA
Operating free-air temperature (Note 1)
-30
85 ºC
Note:
1. While the device is operational across the temperature range, functionality will vary with temperature. Specifications are
stated only at 25°C unless otherwise noted.
Datasheet - Mar. 2013 - V2
TMD3782 – 5
5 Page 
Typical Operating Characteristics
Figure TMD3782 – 17:
Spectral Responsivity
Figure TMD3782 – 18:
Normalized IDD vs. VDD and Temperature
Datasheet - Mar. 2013 - V2
TMD3782 – 11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet TMD3782.PDF ] | |
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