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ISL29028IROZ Folha de dados (PDF) - Intersil Corporation

ISL29028IROZ Datasheet PDF - Intersil Corporation
Nome de Peças ISL29028IROZ
Download  ISL29028IROZ Download

Tamanho do Arquivo   624.61 Kbytes
página   16 Pages
Fabricante Electrônico  INTERSIL [Intersil Corporation]
Página de início  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation
Descrição Electrónicos Low Power Ambient Light and Proximity Sensor with Intelligent Interrupt and Sleep Modes

ISL29028IROZ Datasheet (PDF)

Go To PDF Page Download Folha de dados
ISL29028IROZ Datasheet PDF - Intersil Corporation

Nome de Peças ISL29028IROZ
Download  ISL29028IROZ Click to download

Tamanho do Arquivo   624.61 Kbytes
página   16 Pages
Fabricante Electrônico  INTERSIL [Intersil Corporation]
Página de início  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation
Descrição Electrónicos Low Power Ambient Light and Proximity Sensor with Intelligent Interrupt and Sleep Modes

ISL29028IROZ Folha de dados (HTML) - Intersil Corporation

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ISL29028IROZ Detalhes do produto

The ISL29028 is an integrated ambient and infrared
light-to-digital converter with a built-in IR LED driver
and I2C Interface (SMBus Compatible). This device uses
two independent ADCs for concurrently measuring
ambient light and proximity in parallel. The flexible
interrupt scheme is designed for minimal
microcontroller utilization.
For ambient light sensor (ALS) data conversions, an ADC
converts photodiode current (with a light sensitivity
range up to 2000 Lux) in 100ms per sample. The ADC
rejects 50Hz/60Hz flicker noise caused by artificial light
sources.
For proximity sensor (Prox) data conversions, the built-in
driver turns on an external infrared LED and the
proximity sensor ADC converts the reflected IR intensity
to digital. This ADC rejects ambient IR noise (such as
sunlight) and has a 540μs conversion time.
The ISL29028 provides low power operation of ALS and
proximity sensing with a typical 138μA normal operation
current (110μA for sensors and internal circuitry, ~28μA
for external LED) with 220mA current pulses for a net
100μs, repeating every 800ms (or under).
The ISL29028 uses both a hardware pin and software
bits to indicate an interrupt event has occurred. An ALS
interrupt is defined as a measurement which is outside a
set window. A proximity interrupt is defined as a
measurement over a threshold limit. The user may also
require that both ALS/prox interrupts occur at once, up
to 16 times in a row before activating the interrupt pin.
The ISL29028 is designed to operate from 2.25V to
3.63V over the -40°C to +85°C ambient temperature
range. It is packaged in a clear, lead-free 8 lead ODFN
package.

Features
• Works Under All Light Sources Including Sunlight
• Dual ADCs Measure ALS/Prox Concurrently
• Intelligent Interrupt Scheme Simplifies μC Code
Ambient Light Sensing
• Simple Output Code Directly Proportional to lux
• 50Hz/60Hz Flicker Noise and IR Rejection
• Light Sensor Close to Human Eye Response
• Selectable 125/2000 Lux Range
Proximity Sensing
• Proximity Sensor with Broad IR Spectrum
- Can Use 850nm and 950nm External IR LEDs
• IR LED Driver with I2C Programmable Sink Currents
- Net 100μs Pulse with 110mA or 220mA Amplitudes
- Periodic Sleep Time up to 800ms Between Pulses
• Ambient IR Noise Cancellation (Including Sunlight)
Intelligent and Flexible Interrupts
• Independent ALS/Prox Interrupt Thresholds
• Adjustable Interrupt Persistency
- 1/4/8/16 Consecutive Triggers Required Before
Interrupt
Ultra Low Power
• 138μA DC Typical Supply Current for ALS/Prox Sensing
- 110μA for Sensors and Internal Circuitry
- 28μA Typical Current for External IR LED (Assuming
220mA for 100μs Every 800ms)
• <1.0μA Supply Current When Powered Down
Easy to Use
• Set Registers; Wait for Interrupt
• I2C (SMBus Compatible) Output
• Temperature Compensated
• Tiny ODFN8 2.0x2.1x0.7 (mm) Package
Additional Features
• 1.7V to 3.63V Supply for I2C Interface
• 2.25V to 3.63V Sensor Power Supply
• Pb-Free (RoHS compliant)
• I2C Address Selection Pin

Applications
• Display and Keypad Dimming Adjustment and
Proximity Sensing for:
- Mobile Devices: Smart Phone, PDA, GPS
- Computing Devices: Laptop PC, Netbook
- Consumer Devices: LCD-TV, Digital Picture Frame,
Digital Camera
• Industrial and Medical Light and Proximity Sensing




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Descrição semelhante - ISL29028IROZ

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Sobre a Intersil Corporation


A Intersil Corporation era uma empresa de semicondutores americanos especializada no design e fabricação de circuitos analógicos de alto desempenho e integrados de sinal misto.
A empresa foi fundada em 1967 e era conhecida por sua experiência em gerenciamento de energia, conversão de dados e tecnologias de radiofrequência (RF).
Os produtos da Intersil foram usados ​​em uma ampla gama de aplicações, como eletrônicos de consumo, industrial, telecomunicações e aeroespacial e defesa.
Em 2016, a Intersil foi adquirida pela Renesas Electronics Corporation, uma empresa de semicondutores japoneses.
A marca Intersil e a tecnologia continuam sendo desenvolvidas e vendidas como parte do portfólio de produtos da Renesas.

*Esta informação é apenas para fins informativos gerais, não seremos responsáveis por qualquer perda ou dano causado pelas informações acima.




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