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SI1143-A10-GM

PROXIMITY/AMBIENT LIGHT SENSOR IC WITH I2C INTERFACE

Silicon Laboratories 

Si1141/42/43

1. Electrical Specifications

Table 1. Recommended Operating Conditions

Parameter

VDD Supply Voltage

VDD OFF Supply Voltage

VDD Supply Ripple Voltage

Operating Temperature

SCL, SDA, Input High Logic

Voltage

SCL, SDA Input Low Logic

Voltage

PS Operation under

Direct Sunlight

IrLED Emission Wavelength

IrLED Supply Voltage

IrLED Supply Ripple Voltage

Start-Up Time

LED3 Voltage

Symbol

VDD

VDD_OFF

T

I2CVIH

I2CVIL

Conditions

includes ripple

OFF mode

VDD = 3.3 V

1 kHz–10 MHz

Min

Typ

1.8

3.3

–0.3

—

50

–40

25

VDDx0.7 —

Max

3.6

1.0

TBD

85

VDD

Units

V

V

mVpp

°C

V

0

— VDDx0.3 V

Edc

l

VLED

—

—

750

850

IrLED VF = 1.0 V nominal VDD

—

Applies if IrLEDs use

separate supply rail

0–30 kHz

30 kHz–100 MHz

—

250

—

100

VDD above 1.8 V

Start-up

20

—

VDDx0.77 —

128

klx

950

nm

4.3

V

TBD

TBD

—

—

mVpp

mVpp

ms

V

Table 2. Absolute Maximum Ratings

Parameter

VDD Supply Voltage

Operating Temperature

Storage Temperature

LED1, LED2, LED3 Voltage

INT, SCL, SDA Voltage

Maximum total current through

LED1, LED2 and LED3

Maximum total current through

GND

ESD Rating

Conditions

at VDD = 0 V, TA < 85 °C

at VDD = 0 V, TA < 85 °C

Human Body Model

Min

Typ

Max

Units

–0.3

—

4

V

–40

—

85

°C

–65

—

85

°C

–0.5

—

3.6

V

–0.5

—

3.6

V

—

—

500

mA

—

—

600

mA

—

—

2

kV

4

Preliminary Rev. 0.5

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