unisonic technologies co., ltd RBA5104 preliminary linear integrated circuit www.unisonic.com.tw 1 of 4 copyright ? 2013 unisonic technologies co., ltd qw-r112-002.a fan remote control encoder ? description utc RBA5104 is a remote control encoder mainly used for fan remote control, air cleaner , humidifier, heater and other electrical home appliance remote control application. 2 bits custom code options and maximum 8 input channels offers great freedom in application. utc RBA5104 uses a special coding technique to increase noise immunity to a very great extent. ? features * wide operation voltage: v cc =2.2~4.0v * noise immunity technique * 2 bits custom code * 8 input channels maximum * uses 455khz crystal oscillator * key-in oscillation, reduce st atic current dissipation. * 38khz carrier transmits output. * led indicates work state ? ordering information ordering number package packing lead free halogen free RBA5104l-d16-t RBA5104g-d16-t dip-16 tube note: xx: output voltage, refer to marki ng information. RBA5104g-d16-t (1)packing type (2)package type (1) t: tube (2) d16: dip-16 (3) l: lead free, g: halogen free (3)halogen free
RBA5104 preliminary linear integrated circuit unisonic technologies co., ltd 2 of 4 www.unisonic.com.tw qw-r112-002.a ? pin configuration 1 c1 2 c2 3 k1 4 k2 5 h3 6 k4 7 k5 8 v ss 16 v dd 15 d out 14 led 13 osco 12 osci 11 k8 10 k7 9k6 utc RBA5104 ? pin description pin no. pin name description 1~2 c1, c2 custom code option: built in pull-up resistor, grounding denote ?0?, floating denote ?1?. 3~7 k1~k5 key input pins, built in pull-up resistor. 8 v ss negative power supply. 9~11 k6~k8 key input pins, built in pull-up resistor. 12 osci 455khz oscillator input pin. 13 osco 455khz oscillator output pin. 14 led led driver output indication 15 dout code data output (contain 38khz carrier signal) 16 v dd positive power supply. ? block diagram 3 4 5 6 7 9 10 11 key scan & latch k1 k2 k3 k4 k5 k6 k7 k8 oscillator timming encoder 1 c2 2 c1 output waveform generator 15 14 led dout 12 osci osco 13 v ss 8 v dd 16
RBA5104 preliminary linear integrated circuit unisonic technologies co., ltd 3 of 4 www.unisonic.com.tw qw-r112-002.a ? absolute maximum rating (t a =25c) parameter symbol ratings unit supply voltage v dd -0.3~6.0 v input/output voltage v in v ss -0.3v~v dd +0.3v v power dissipation p d 500 mw operating temperature t opr -10 ~ +70 c storage temperature t stg -40~+125 c note: absolute maximum ratings are those values be yond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? dc electrical characteristics (t a =25c, v dd =3v, unless other specified) parameter symbol test conditions min typ max unit supply voltage v dd 2.0 3.0 4.0 v static power dissipation i sb no load, oscillation is stopped, c1=c2=1 0.1 a no load, oscillation is stopped, c1=c2=0 1.8 a dout output high current i oh v oh =2.7v 2.5 ma dout output low current i ol v ol =0.3v -0.74 ma high input voltage v ih 0.7v dd v dd v low input voltage v il 0 0.3v dd v led high output current i oh v oh =2.7v 2.5 10 ma led low output current i ol v ol =0.3v -1.0 ma oscillation frequency f osc 455 khz pull-up resistor at c1, c2 r c v in =0v 4 m ? pull-up resistor at k1~k8 r i v in =0v 250 k ?
RBA5104 preliminary linear integrated circuit unisonic technologies co., ltd 4 of 4 www.unisonic.com.tw qw-r112-002.a ? typical application circuit utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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