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TS9001-2IJ5 Datasheet(PDF) 4 Page - Touchstone Semiconductor Inc |
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TS9001-2IJ5 Datasheet(HTML) 4 Page - Touchstone Semiconductor Inc |
4 / 8 page TS9001 Page 4 TS9001DS r1p0 RTFDS PIN FUNCTIONS TS9001-1 TS9001-2 NAME FUNCTION SC70-5 1 OUT Comparator Output 2 VEE Negative Supply Voltage 3 IN+ Comparator Noninverting Input 4 REF/IN- 1.252V Reference Output/Comparator Inverting Input — REF 1.252V Reference Output 5 VCC Positive Supply Voltage — IN- Comparator Inverting Input BLOCK DIAGRAMS DESCRIPTION OF OPERATION Guaranteed to operate from +1.6V supplies, the TS9001-1 and the TS9001-2 analog comparators only draw 600nA supply current, feature a robust input stage that can tolerate input voltages 200mV beyond the power supply rails, and include an on- board +1.252V ±1% voltage reference. To insure clean output switching behavior, both analog comparators feature 4mV internal hysteresis. The TS9001-1’s push-pull output drivers were designed to minimize supply-current surges while driving ±5mA loads with rail-to-rail output swings. The open- drain output stage TS9001-2 can be connected to supply voltages above VCC to an absolute maximum of 6V above VEE. Where wired-OR logic connections are needed, their open-drain output stages make it easy to use this analog comparator. Input Stage Circuitry The robust design of the analog comparators’ input stage can accommodate any differential input voltage from VEE - 0.2V to VCC + 0.2V. Input bias currents are typically ±0.15nA so long as the applied input voltage remains between the supply rails. ESD protection diodes - connected internally to the supply rails - protect comparator inputs against overvoltage conditions. However, if the applied input voltage exceeds either or both supply rails, an increase in input current can occur when these ESD protection diodes start to conduct. |
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