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ISL29013 Datasheet(PDF) 10 Page - Intersil Corporation |
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ISL29013 Datasheet(HTML) 10 Page - Intersil Corporation |
10 / 14 page 10 FN6485.0 February 13, 2008 Suggested PCB Footprint It is important that the users check the “Surface Mount Assembly Guidelines for Optical Dual FlatPack No Lead (ODFN) Package” before starting ODFN product board mounting. http://www.intersil.com/data/tb/TB466.pdf Layout Considerations The ISL29013 is relatively insensitive to layout. Like other I2C devices, it is intended to provide excellent performance even in significantly noisy environments. There are only a few considerations that will ensure best performance. Route the supply and I2C traces as far as possible from all sources of noise. Use two power-supply decoupling capacitors, 4.7µF and 0.1µF, placed close to the device. Typical Circuit A typical application for the ISL29013 is shown in Figure 6. The ISL29013’s I2C address is internally hardwired as 1000100. The device can be tied onto a system’s I2C bus together with other I2C compliant devices. Soldering Considerations Convection heating is recommended for reflow soldering; direct-infrared heating is not recommended. The plastic ODFN package does not require a custom reflow soldering profile, and is qualified to +260°C. A standard reflow soldering profile with a +260°C maximum is recommended. FIGURE 6. ISL29013 TYPICAL CIRCUIT VDD 1 GND 2 REXT 3 INT 4 SCL 5 SDA 6 ISL29013 R1 10k R2 10k REXT 100k C2 0.1µF C1 4.7µF 2.5V TO 3.3V MICROCONTROLLER SDA SCL I2C SLAVE_0 I2C SLAVE_1 I2C SLAVE_n I2C MASTER SCL SDA SCL SDA 1.8V TO 5.5V R3 RES1 ISL29013 |
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