品牌	cscmicro	型號(hào)	standard
封裝	dice	批號(hào)	c
類型	通信IC

ch2115s

3 1/2 bit clinical thermometer 1. general descriptions ch2115s is a cmos digital clinical thermometer ic for measuring body temperature in centigrade(℃) or fahrenheit(℉) mode by its bonding option or by switch option. it also provides alarm and auto power off functions. the other electronic components are lcd display, thermistor,1.5v battery, on/off switch, buzzer, resistors and capacitors 2. features


◆ single 1.5v battery operation.

◆ single-chip cmos construction

◆ centigrade or fahrenheit measurement can be selected by bonding option or switch option

◆ measurement range:








while ch2115s-1 or ch2115s-2, +32.0～+41.9℃(+90～+107.9℉)








while ch2115s-3,






+32.0～+43.9℃(+90～+ 111.9℉)

◆ resolution: 0.1℃(0.1℉),








measurement accuracy:±0.1℃(±0.2℉).

◆ one-key input switch for power on/off and℃/℉alternating





◆ backlight driver





◆ highest temperature held





◆ auto power off after 8 min 40 sec (ch2115s-1 or ch2115s-2) or 10 min (ch2115s-3)





◆ display the last measured temperature