Si1143-A10-GM Silicon Laboratories Inc, Si1143-A10-GM Datasheet - Page 2

• Manufacturer Part Number: Si1143-A10-GM
• Description: Proximity Sensors IC INTERFACE
• Manufacturer: Silicon Laboratories Inc

Specifications of Si1143-A10-GM

• Maximum Operating Temperature: + 85 C
• Supply Voltage: 3.3 V
• Supply Current: 5.6 mA to 360 mA
• Operating Supply Voltage: 1.8 V to 3.6 V
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Current Rating: 359 mA
• Voltage Rating: 4 V
• Sensing Distance: 1 m
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Si1141/42/43
Functional Block Diagram
Note: For more application examples, refer to “AN498: irLED Selection Guide for Si114x Proximity Applications”.
2
Figure 2. Si1143 Application with Three LEDs and Separate LED Power Supply
SDA
VDD
SCL
INT
Host
Host
3.3 V
3.3 V
SDA
SCL
INT
1. Si1142 and Si1143 only.
2. Si1143 only.
Regulator
Temp
I
Infrared
Visible
2
C
Figure 1. Si1141 Basic Application
0.1 uF
0.1 uF
M
U
A
X
Registers
ADC
SCL
VDD
SDA
SDA
SCL
VDD
INT
INT
Digital Sequencer & Control Logic
Si1141
Si1143
Rev. 1.1
CVDD
CVDD
LED2
LED3
LED1
LED1
GND
GND
Filter
Pop
No
Oscillator
Drivers
LED
4.3 V
5%, 1/16 W
15 µF, 20%, >6 V
5%, 1/16 W
22 uF, 20%, >6V
30 ohm
30 ohm
GND
LED1
LED2
LED3
1
2