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参数资料
| 型号： | ISL29028IROZ-T7 |
| 厂商： | Intersil |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC SENSOR LIGHT-PROXIMITY 8ODFN |
| 标准包装： | 3,000 |
| 系列： | * |
Low Power Ambient Light and Proximity Sensor
with Intelligent Interrupt and Sleep Modes
ISL29028
The ISL29028 is an integrated ambient and infrared
light-to-digital converter with a built-in IR LED driver
and I 2 C 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 540 μ s conversion time.
The ISL29028 provides low power operation of ALS and
proximity sensing with a typical 138 μ A normal operation
current (110 μ A for sensors and internal circuitry, ~28 μ A
for external LED) with 220mA current pulses for a net
100 μ s, 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.
Pin Configuration
ISL29028
8 LD ODFN (2.0 x 2.1 x 0.7 mm )
TOP VIEW
Features
? Works Under All Light Sources Including Sunlight
? Dual ADCs Measure ALS/Prox Concurrently
? Intelligent Interrupt Scheme Simplifies μ C 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 I 2 C Programmable Sink Currents
- Net 100 μ s 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
? 138 μ A DC Typical Supply Current for ALS/Prox Sensing
- 110 μ A for Sensors and Internal Circuitry
- 28 μ A Typical Current for External IR LED (Assuming
220mA for 100 μ s Every 800ms)
? <1.0 μ A Supply Current When Powered Down
Easy to Use
? Set Registers; Wait for Interrupt
? I 2 C (SMBus Compatible) Output
? Temperature Compensated
? Tiny ODFN8 2.0x2.1x0.7 (mm) Package
Additional Features
? 1.7V to 3.63V Supply for I 2 C Interface
? 2.25V to 3.63V Sensor Power Supply
? Pb-Free (RoHS compliant)
? I 2 C Address Selection Pin
ADDR0
1
8
IRDR
Applications* (see page 15)
VDD
GND
REXT
2
3
4
THERMAL
PAD
7
6
5
INT
SDA
SCL
? 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,
*THERMAL PAD CAN BE CONNECTED TO GND OR
ELECTRICALLY ISOLATED
Digital Camera
? Industrial and Medical Light and Proximity Sensing
November 4, 2011
FN6780.2
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright ? Intersil Americas Inc. 2010. All Rights Reserved.
I 2 C Bus is a registered trademark owned by NXP Semiconductors Netherlands, B.V.
All other trademarks mentioned are the property of their respective owners.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL29028IROZ-T7R5484 | 制造商:Intersil Corporation 功能描述:DOMINANT ASSEMBLY ONLY - PBFREE AUTONOMOUS LOW POWER ALS + P - Tape and Reel 制造商:Intersil Corporation 功能描述:IC PROXIMITY SENSOR AMB LT 8ODFN 制造商:Intersil 功能描述:DOMINANT ASSEMBLY ON LYFREE AUTONOMOUS |
| ISL29029IROZ-T7 | 功能描述:IC SENSOR LIGHT-PROXIMITY 8ODFN RoHS:是 类别:传感器，转换器 >> 光学 - 光电探测器 - 环境光传感器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 产品变化通告:Product Discontinuation 25/Jun/2012 标准包装:2,500 系列:- 带接近传感器:无 波长:- 电源电压:1.7 V ~ 2 V 电流 - 暗（标准）:- 电流 - 光（典型值）:- 输出类型:数字 - I²C 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UDFN 裸露焊盘 包装:带卷 (TR) |
| ISL29030AIROZ-EVALZ | 功能描述:BOARD EVAL FOR ISL29030A RoHS:是 类别:编程器，开发系统 >> 评估板 - 传感器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1 系列:- |
| ISL29030AIROZ-T7 | 功能描述:IC PROXIMITY SENSOR AMB LT 8ODFN RoHS:是 类别:传感器，转换器 >> 多功能 系列:* 其它有关文件:Automotive Product Guide 标准包装:2,500 系列:- 传感器类型:光线和近程 输出类型:I²C? |
| ISL29030IROZ-EVALZ | 制造商:Intersil Corporation 功能描述: 制造商:Intersil Corporation 功能描述:ISL29030IROZ-EVALZ (PB-FREE ) EVALUATION BOARD - ROHS COMPLI - Bulk 制造商:Intersil Corporation 功能描述:ISL29030IROZ-EVALZ (PB-Free ) EVALUATION BOARD - ROHs Compli |
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