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TSOP53538 Datasheet(PDF) 5 Page - Vishay Siliconix |
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TSOP53538 Datasheet(HTML) 5 Page - Vishay Siliconix |
5 / 22 page TSOP531.., TSOP533.., TSOP535.. www.vishay.com Vishay Semiconductors Rev. 1.1, 22-Jul-16 5 Document Number: 82745 THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 SUITABLE DATA FORMAT This series is designed to suppress spurious output pulses due to noise or disturbance signals. The devices can distinguish data signals from noise due to differences in frequency, burst length, and envelope duty cycle. The data signal should be close to the device’s band-pass center frequency (e.g. 38 kHz) and fulfill the conditions in the table below. When a data signal presented to the device in the presence of a disturbance, the sensitivity of the receiver is automatically reduced by the AGC to insure that no spurious pulses are present at the receiver’s output. Some examples which are suppressed are: • DC light (e.g. from tungsten bulbs sunlight) • Continuous signals at any frequency • Strongly or weakly modulated patterns from fluorescent lamps with electronic ballasts (see Fig. 13 or Fig. 14). • 2.4 GHz and 5 GHz Wi-Fi Fig. 13 - IR Disturbance from Fluorescent Lamp with Low Modulation Fig. 14 - IR Disturbance from Fluorescent Lamp with High Modulation Note • For data formats with long bursts (more than 10 carrier cycles) please see the datasheet for TSOP532.., TSOP534.. 010 15 20 Time (ms) 16920 5 010 15 20 Time (ms) 16921 5 TSOP531.. TSOP533.. TSOP535.. Minimum burst length 6 cycles/burst 6 cycles/burst 6 cycles/burst After each burst of length A gap time is required of 6 to 70 cycles ≥ 10 cycles 6 to 35 cycles ≥ 10 cycles 6 to 24 cycles ≥ 10 cycles For bursts greater than a minimum gap time in the data stream is needed of 70 cycles > 1.2 x burst length 35 cycles > 6 x burst length 24 cycles > 25 ms Maximum number of continuous short bursts/second 2000 2000 2000 MCIR code Yes Preferred Yes XMP-1 code Yes Preferred Yes Suppression of interference from fluorescent lamps Mild disturbance patterns are suppressed (example: signal pattern of Fig. 13) Complex disturbance patterns are suppressed (example: signal pattern of Fig. 14) Critical disturbance patterns are suppressed, e.g. highly dimmed LCDs |
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