SI1141-A10-GMR Ver la hoja de datos (PDF) - Silicon Laboratories
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SI1141-A10-GMR Datasheet PDF : 76 Pages
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Si1141/42/43
Functional Block Diagram
VDD
INT
SCL
SDA
Regulator
Temp
A
M
U
Visible
X
Infrared
ADC
Filter
LED
Drivers
Digital Sequencer & Control Logic
I2C
Registers
Oscillator
LED1
LED21
LED32
GND
1. Si1142 and Si1143 only. Must be tied to VDD with Si1141.
2. Si1143 only. Must be tied to VDD with Si1141 and Si1142.
3.3 V
Host
SDA
SCL
INT
0.1 uF
Si1141
SDA
LED1
SCL
GND
VDD CVDD
INT CVDD
30 ohm
5%, 1/16 W
15 µF, 20%, >6 V
3.3 V
Host
Figure 1. Si1141 Basic Application
4.3 V
No
Pop
Si1143
SDA
LED1
SCL
GND
VDD
LED3
INT
LED2
0.1 uF
30 ohm
5%, 1/16 W
22 uF, 20%, >6V
Figure 2. Si1143 Application with Three LEDs and Separate LED Power Supply
Note: For more application examples, refer to “AN498: Si114x Designer’s Guide”.
2
Rev. 1.4
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