TSL230ARD中文资料Programmable Light-to-Frequency Converters数据手册ams-OSRAM规格书

描述 Description

The TSL230R−LF, TSL230AR−LF, and TSL230BR−LF programmable light-to-frequency converters combine a configurable silicon photodiode and a current-to-frequency converter on single monolithic CMOS integrated circuits. The output can be either a pulse train or a square wave (50% duty cycle) with frequency directly proportional to light intensity. Device sensitivity is selectable in three ranges, providing two decades of adjustment. The full-scale output frequency can be scaled by one of four preset values. All inputs and the output are TTL compatible, allowing direct two-way communication with a microcontroller for programming and output interface. An output enable (OE) is provided that places the output in the high-impedance state for multiple-unit sharing of a microcontroller input line.

特性 Features

·▪ 2.5M:1 input dynamic range
·▪ Low dark frequency of 0.4 Hz (Typ)
·▪ Programmable gain up to 100X
·▪ Power-down mode (5μA Typical)
·▪ 5mm x 6.2mm SOIC (D) package