LM3533 datasheet(6/63 Pages) TI1

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LM3533

SNOSC68C – APRIL 2012 – REVISED SEPTEMBER 2015

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Electrical Characteristics (continued)

Unless otherwise specified VIN = 3.6 V; typical limits are for TA = 25°C and minimum and maximum limits apply over the full

operating ambient temperature range (

−40°C ≤ TA ≤ +85°C).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

INT OUTPUT

Output Logic Low (INT

VLOW

2.7 V

≤ VIN ≤ 5.5 V

400

Mode)

I2C-COMPATIBLE VOLTAGE SPECIFICATIONS (SCL, SDA)

VIL

Input logic low

2.7 V

≤ VIN ≤ 5.5 V

400

VIH

Input logic high

2.7 V

≤ VIN ≤ 5.5 V

1.25

VIN

VOL

Output logic low (SDA)

ILOAD = 3mA

400

AMBIENT LIGHT SENSOR (ALS)

ALS internal pulldown

R_ALS Select Register = 0x0F

RALS

resistor in analog sensor

12.36

13.33

13.94

2.7 V

≤ VIN ≤ 5.5 V

input mode

Ambient Light Sensor

VALS_REF

2.7 V

≤ VIN ≤ 5.5 V

1.9

2.1

Reference Voltage

Minimum Threshold for

Analog sensor mode

VALS_MIN

ALS Input Voltage

2.7 V

≤ VIN ≤ 5.5 V, Code 0 to 1 transition point

Sensing

tCONV

Conversion Time

140

µs

LSB

ADC Resolution

2.7 V

≤ VIN ≤ 5.5 V

7.8

6.6 I

2C Timing Requirements

MIN

NOM

MAX

UNIT

SCL (Clock Period)

2.5

µs

Data In Setup Time to SCL High

100

Data Out Stable After SCL Low

SDA Low Setup Time to SCL Low (Start)

100

SDA High Hold Time After SCL High (Stop)

100

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