Datasheet > TSL238T

TSL238T

更新时间： 2024-02-09 12:58:12

品牌	Logo	应用领域
TAOS		转换器 PC
页数	文件大小	规格书
12页	190K
描述
HIGH-SENSITIVITY LIGHT-TO-FREQUENCY CONVERTER

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中文翻译

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技术参数
数据手册

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TSL238T 技术参数

是否Rohs认证：	符合	生命周期：	Unknown
Reach Compliance Code：	unknown	风险等级：	8.31
Samacsys Confidence：	4	Samacsys Status：	Released
Samacsys PartID：	780335	Samacsys Pin Count：	4
Samacsys Part Category：	Undefined or Miscellaneous	Samacsys Package Category：	Other
Samacsys Footprint Name：	TSL238T-2	Samacsys Released Date：	2017-06-13 14:44:01
Is Samacsys：	N	Base Number Matches：	1

TSL238T 数据手册

TSL238T

HIGH-SENSITIVITY

LIGHT-TO-FREQUENCY CONVERTER

TAOS080E − JUNE 2007

PACKAGE T

4-LEAD SMD

(TOP VIEW)

D High-Resolution Conversion of Light

Intensity to Frequency With No External

Components

OE 1

D High Irradiance Responsivity . . .

4 OUT

3.4 kHz/(mW/cm ) at λ = 640 nm

GND 2

3 V_DD

D Low Dark Frequency . . . < 6 Hz at 50ꢀ C

D Single-Supply Operation . . . 2.7 V to 5.5 V

D Stable 200 ppm/°C Temperature Coefficient

D Interfaces Directly to a Microcontroller

D Lead (Pb) Free Package

D RoHS Compliant

Description

The TSL238T light-to-frequency converter combines a silicon photodiode and a current-to-frequency converter

on a single monolithic CMOS integrated circuit. Output is a square wave (50% duty cycle) with frequency directly

proportional to light intensity (irradiance) on the photodiode. The digital output allows direct interface to a

microcontroller or other logic circuitry. The device has been temperature compensated for the

ultraviolet-to-visible light range of 320 nm to 700 nm and responds over the light range of 320 nm to 1050 nm.

The TSL238T is characterized for operation over the temperature range of −40°C to 85°C and is supplied in

a compact 4-lead surface-mount package that is lead (Pb) free and RoHS compliant.

Functional Block Diagram

Current-to-Frequency

Light

Photodiode

Output

Converter

Available Options

DEVICE

PACKAGE − LEADS

4-lead Low Profile Surface Mount

PACKAGE DESIGNATOR ORDERING NUMBER

TSL238T

−40°C to 85°C

TSL238T

Terminal Functions

TERMINAL

TYPE

DESCRIPTION

Power supply ground (substrate). All voltages are referenced to GND.

T PKG

NO.

NAME

GND

Enable for f (active low).

OUT

Output frequency.

Supply voltage.

The LUMENOLOGY r Company

Texas Adva^rnced Optoelectronic Solutions Inc.

1001 Klein Road S Suite 300 S Plano, TX 75074 S (972) 673-0759

www.taosinc.com

12 3 4 5 6 7...12

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