General Description:
TC7461 is a high-performance Dual Display Thermometer CMOS IC. It will be used to measure Indoor and Outdoor Temperature, the temperature of enviroment can be measurred from -50℃(-58 ℉) to 70℃(158 ℉), and it also can be set in ℃ or℉ mode.
Features
· Range of Temperature ： -50 ℃ ( -58 ℉ ) ∼ 70 ℃( 158 ℉ )
If temperature ＞ 70 ℃ ( 158 ℉ ) , display H ℃( ℉ )
If temperature ＜ -50 ℃ ( -58 ℉ ) , display L ℃( ℉ )
· Number of channel ： 2 channels , one for Indoor and one for Outdoor
· Battery operation ： 1.3 V ∼ 1.65 V
· Resolution ： 0.1° for the whole range -50 ℃ ( -58 ℉ ) ∼ 70 ℃( 158 ℉ )
· Accuracy ： ±1℃ ( ±2℉ )
· Sensor ： 103AT-2B×2 , will use a 3M wire for the outdoor sensor
· Oscillator ： RC Oscillator only
· Sampling period ： 10 sec approximate
· Change unit ： NC - ℃ and Bond to VDD - ℉
· LCD self -test ： Power On full segment test 2 second
· LCD driver ： 1/2 bias, 1/3 duty.
· Not-measuring current ： Current is less than 15 uA
产品展示
