LM139ADR

四通道差分比较仪 QUAD DIFFERENTIAL COMPARATORS

Use this comparator circuit from Texas Instruments to check whether an input signal as reached some predetermined value. It has an open collector output. Its typical dual supply voltage is ±3|±5|±9|±12 V, with a minimum of ±1 V and maximum of ±15 V. This comparator has a minimum operating temperature of -55 °C and a maximum of 125 °C. This device uses one or two power supplies. It has 4 channels per chip. This device is made with bipolar technology.