LOW-VOLTAGE LIGHT-TO-DIGITAL CONVERTER
Technical coantmesntAsGtill valid
r
r
D Approximates Human Eye Response
D Programmable Interrupt Function with
User-Def...
Description
Technical coantmesntAsGtill valid
r
r
D Approximates Human Eye Response
D Programmable Interrupt Function with
User-Defined Upper and Lower Threshold Settings
D 16-Bit Digital Output with SMBus (TSL2562)
at 100 kHz or I2C (TSL2563) Fast-Mode at 400 kHz
D Programmable Analog Gain and Integration
Time Supporting 1,000,000-to-1 Dynamic Range
D Automatically Rejects 50/60-Hz Lighting
Ripple
D Low 2.5-V Input Voltage and 1.8-V Digital
Output
D Low Active Power (0.6 mW Typical) with
Power Down Mode
D RoHS Compliant
TSL2562, TSL2563 LOW-VOLTAGE
LIGHT-TO-DIGITAL CONVERTER TAOS066N − AUGUST 2010
PACKAGE CS 6-LEAD CHIPSCALE
(TOP VIEW)
VDD 1 ADDR SEL 2
GND 3
6 SDA 5 INT 4 SCL
VDD 1 ADDR SEL 2
GND 3
PACKAGE T 6-LEAD TMB (TOP VIEW)
6 SDA 5 INT 4 SCL
Description
The TSL2562 and TSL2563 are low-voltage light-to-digital converters that transform light intensity to a digital signal output capable of direct I2C (TSL2563) or SMBus (TSL2562) interface. Each device combines one broadband photodiode (visible plus infrared) and one infrared-responding photodiode on a single CMOS integrated circuit capable of providing a near-photopic response over an effective 20-bit dynamic range (16-bit resolution). Two integrating ADCs convert the photodiode currents to a digital output that represents the irradiance measured on each channel. This digital output can be input to a microprocessor where illuminance (ambient light level) in lux is derived using an empirical formula to approximate the human e...
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