Datasheet > ISL76671_15

ISL76671_15

更新时间： 2024-11-26 02:51:39

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
9页	417K
描述
Low Power, <100 Lux Optimized, Analog Output Ambient Light Sensor

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ISL76671_15 数据手册

DATASHEET

Low Power, <100 Lux Optimized, Analog Output

Ambient Light Sensor

ISL76671

Features

The ISL76671 is a low cost, light-to-voltage silicon optical sensor

combining a photodiode array, a non-linear current amplifier and

a micro-power op amp on a single monolithic IC. Similar to the

human eye, the photodiode array has peak sensitivity at 550nm

and spans the wavelength range 400nm to 600nm, rejecting UV

and IR light. The input luminance range is from 0.01 lux to

100 lux.

• Square root voltage output

• 0.01 lux to 100 lux range

• 1.8V to 3V supply range

• Close to human eye spectral response

• Fast response time

• Internal temperature compensation

• Good IR rejection

The integrated non-linear current amplifier boosts and converts

the photodiode signal into a square root output format, extending

dynamic range while maintaining excellent sensitivity in dimly lit

conditions. As such, the part is ideal for measuring incident

daylight when mounted behind heavily smoked bezels used

around displays or behind mirrors.

• Low supply current

• Operating temperature range -40°C to +105°C

• 6 Ld ODFN: 2mmx2.1mmx0.7mm

• Pb-free (RoHS compliant)

• AEC-Q100 Qualified

The device consumes minimum power. A dark current

compensation circuit minimizes the effect of temperature

dependent leakage currents in the absence of light, improving

the light sensitivity at low lux levels. The output gain has been

optimized to require a relatively low value external bias resistor

that falls within recommended automotive EMI limits. The

built-in 1µA op amp gives the ISL76671 an output voltage driving

advantage for heavier loads that can drive an ADC directly.

Applications

• Display backlight control - central info display and

instrumentation

• Anti-glare mirror systems - specified to operate behind Bezel

mounting

The ISL76671 is housed in an ultra compact 2mmx2.1mm ODFN

plastic surface mount package. Operation is rated from -40°C to

+105°C, Grade 2 per AEC-Q100.

VDD

VOUT

CURRENT

AMPLIFIER

LIGHT DATA

PROCESS

OUTPUT CURRENT a LIGHT INTENSITY

PHOTODIODE

ARRAY

GND

REXT

FIGURE 1. SIMPLIFIED BLOCK DIAGRAM

April 20, 2015

FN7716.3

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners.

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与ISL76671_15相关器件

型号	品牌	获取价格	描述	数据表
ISL76671AROZ-T7	RENESAS	获取价格	Low Power, <100 Lux Optimized, Analog Output Ambient Light Sensor
ISL76671AROZ-T7	INTERSIL	获取价格	Low Power, <100 Lux Optimized, Analog Output Ambient Light Sensor
ISL76671AROZ-T7A	RENESAS	获取价格	Low Power, <100 Lux Optimized, Analog Output Ambient Light Sensor
ISL76671AROZ-T7A	INTERSIL	获取价格	Low Power, <100 Lux Optimized, Analog Output Ambient Light Sensor
ISL76671EVAL1Z	RENESAS	获取价格	Low Power, <100 Lux Optimized, Analog Output Ambient Light Sensor
ISL76671EVAL1Z	INTERSIL	获取价格	Low Power, <100 Lux Optimized, Analog Output Ambient Light Sensor
ISL76682	RENESAS	获取价格	Automotive Low Power, High Sensitivity, Light-to Digital Sensor With I2C Interface
ISL76683	INTERSIL	获取价格	Light-to-Digital Output Sensor
ISL76683	RENESAS	获取价格	Light-to-Digital Output Sensor with Gain Selection, Interrupt Function and I2C Interface
ISL76683_1103	INTERSIL	获取价格	Light-to-Digital Output Sensor

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