| Q21 | ｜ | How many safety certification that LITEON photo coupler have? |
UL, CSA, VDE, FIMKO, NEMKO, DEMKO, and SEMKO.
| Q22 | ｜ | What is photo moisture sensitivity level (MSL)? |
Follow JEDEC J-STD-020C moisture sensitivity level (MSL ) of LITEON photo coupler is Level 1.
| Q23 | ｜ | Does LITEON has Halogen free photo coupler? |
Liteon has total solution of Halogen free products and Liteon is the first one to product Halogen free photo coupler.
| Q24 | ｜ | How is isolation voltage of LITEON photo coupler ? |
Photo coupler packages of dip, wide lead, and SMD type are 5000Vrms. Min-flat type and Half-pitch are 3750Vrms.
| Q25 | ｜ | What is the advantage of using IrDA for data transfer application ? |
| Q26 | ｜ | What is the fastest data rate available for IrDA ? |
16M bits/s : VFIR solution, but in terms of product supportability, 4M bit/s is available in the industry.
| Q27 | ｜ | Is IrDA restricted by RF (radio frequency) regulations ? |
IrDA is using infrared technology. Not affected by RF regulations.
| Q28 | ｜ | Difference between Linear and Logarithmic Digital Light Sensor ? |
(1) Linear
- Full dynamic range up to 65 klux.
- 16-bit ADC: Requires two bytes reading.
- 16-bit ADC: 1 lux/1 count, higher resolution.
(2) Logarithmic
- Human eye has a logarithmic response to ambient light level.
- Full dynamic range up to 100 klux.
- 6-bit ADC: Requires one byte reading only.
- Simple Interrupt / Persist operation, less software intensive or fewer I2C communication.
- 6-bit ADC: lower resolution.
- Full dynamic range up to 65 klux.
- 16-bit ADC: Requires two bytes reading.
- 16-bit ADC: 1 lux/1 count, higher resolution.
(2) Logarithmic
- Human eye has a logarithmic response to ambient light level.
- Full dynamic range up to 100 klux.
- 6-bit ADC: Requires one byte reading only.
- Simple Interrupt / Persist operation, less software intensive or fewer I2C communication.
- 6-bit ADC: lower resolution.
| Q29 | ｜ | What are the key parameters/features in choosing digital encoders? |
When choosing the a digital encoders, the first parameter to determine is the resolution needed. Typically this is in lines per inch (lpi). After whichthe package size will be the most common fearture that customer looked at.
| Q30 | ｜ | Key difference between the LITEON LTR-502ALS-01 and LTR-505ALS-01 ? |
(1) LTR-502ALS
- Digital Light Sensor + Proximity Sensor with LED driver.
- Proximity Sensor detection distance, 5cm (typical).
- ore flexible and less complex optical window design.
(2) LTR-505ALS
- Digital Light Sensor + Proximity Sensor with LED driver and IR LED.
- Fully integrated solution.
- Proximity Sensor detection distance, 2.5 cm (typical).
- Digital Light Sensor + Proximity Sensor with LED driver.
- Proximity Sensor detection distance, 5cm (typical).
- ore flexible and less complex optical window design.
(2) LTR-505ALS
- Digital Light Sensor + Proximity Sensor with LED driver and IR LED.
- Fully integrated solution.
- Proximity Sensor detection distance, 2.5 cm (typical).
