TSL2550 datasheet(3/21 Pages) AMSCO

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TSL2550

AMBIENT LIGHT SENSOR

WITH SMBus INTERFACE

TAOS029L − OCTOBER 2007

The LUMENOLOGY r Company

www.taosinc.com

Terminal Functions

TERMINAL

NAME

D PKG

NO.

T PKG

NO.

TYPE

DESCRIPTION

GND

Power supply ground. All voltages are referenced to GND.

SMBCLK

SMBus serial clock input terminal — clock signal for SMBus serial data.

SMBData

I/O

SMBus serial data I/O terminal — serial data I/O for SMBus.

VDD

Supply voltage.

Available Options

DEVICE

PACKAGE − LEADS

PACKAGE DESIGNATOR ORDERING NUMBER

TSL2550

−40°C to 85°

SOIC−8

TSL2550D

TSL2550

−40°C to 85°

T−4

TSL2550T

Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted)†

Supply voltage, VDD (see Note 1)

6 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Digital output voltage range, VO

−0.3 V to +6 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Digital output current, IO

±10 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SMBus input/output current, I(SMBIN)

−1 mA to 20 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating free-air temperature range, TA

−40°C to 85°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range, Tstg

−40°C to 85°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ESD tolerance, human body model

2000 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Solder conditions in accordance with JEDEC J−STD−020A, maximum temperature (see Note 2)

260°C

. . .

† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTES: 1. All voltage values are with respect to GND.

2. Package D only: The device may be hand soldered provided that heat is applied only to the solder pad and no contact is made

between the tip of the solder iron and the device lead. The maximum time heat should be applied to the device is 5 seconds.

Recommended Operating Conditions

MIN

MAX

UNIT

Supply voltage, VDD

2.7

5.5

Operating free-air temperature, TA

°C

SMBus input low voltage @ VDD = 3.3 V ± 5%, VIL

0.8

SMBus input high voltage @ VDD = 3.3 V ± 5%, VIH

2.1

SMBus operating frequency, f(SMBCLK)

100

kHz

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