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ISL29030IROZ-T7 +BOM

Ambient Light Sensors ISL29030IROZFREE AUTONOMOUS LW PWR

Produttore:

INTERSIL
ProduttorePart #:

ISL29030IROZ-T7
Scheda dati:

ISL29030IROZ-T7 Scheda dati (PDF)
Pacchetto/custodia:

ODFN-8
Tipologia di prodotto:

Ambient Light Sensors
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per ISL29030IROZ-T7

ISL29030IROZ-T7 Descrizione generale

Support is limited to customers who have already adopted these products.

The ISL29030 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 of 2000 Lux) in 100ms per sample. The ADC rejects 50Hz/60Hz flicker noise caused by artificial light sources. The IALS pin provides an analog output current proportional to the measured light (420μA FSR). 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 ISL29030 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 ISL29030 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 ISL29030 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.

Caratteristiche principali

Works Under All Light Sources Including Sunlight
Dual ADCs Measure ALS/Prox Concurrently
Intelligent Interrupt Scheme Simplifies μC Code
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
Analog 420μA Output Pin IALS Proportional to Lux
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)
Independent ALS/Prox Interrupt Thresholds
Adjustable Interrupt Persistency
- 1/4/8/16 Consecutive Triggers Required Before Interrupt
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
Set Registers; Wait for Interrupt
I²C (SMBus Compatible) Output
Temperature Compensated
Tiny ODFN8 2.0mm x 2.1mm x 0.7mm Package
1.7V to 3.63V Supply for I²C Interface
2.25V to 3.63V Sensor Power Supply
Pb-Free (RoHS Compliant)

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AVAQ determina e confeziona tutti i dispositivi in base ai requisiti di protezione contro le scariche elettrostatiche (ESD) e il livello di sensibilità all'umidità (MSL)..