TS3702IPT STMicroelectronics

TS3702 Micropower dual CMOS voltage comparators Features Push-pull CMOS output (no external pull-up resistor required) N Extremely low supply current: 9A typ / DIP8 comparator (Plastic package) Wide single supply range: 2.7V to 16V or dual supplies (1.35V to 8V) Extremely low input bias current: 1pA typ Extremely low input offset currents: 1pA typ D SO8 Input common-mode voltage range includes (Plastic micropackage) GND 12 High input impedance: 10 typ Fast response time: 2s typ for 5mV overdrive Pin-to-pin and functionally compatible with P bipolar LM393 TSSOP8 (Thin shrink small outline package) Description The TS3702 is a micropower CMOS dual voltage Pin connections comparator with extremely low consumption of (Top view) 9A typ / comparator (20 times less than bipolar LM393). The push-pull CMOS output stage allows + Output 1 1 8 V CC power and space saving by eliminating the Inverting Input 1 2 7 Output 2 - external pull-up resistor required by usual open- + Non-inverting Input 1 3 6 Inverting Input 2 - collector output comparators. - + V 45 Non-inverting Input 2 CC Thus response times remain similar to the LM393. February 2007 Rev 3 1/11 www.st.com 11Schematic diagram TS3702 1 Schematic diagram Figure 1. Schematic diagram (for 1/2 TS3702) V+ CC T 10 T T T T 1 2 9 17 R T T TT 1 11 12 18 21 Input - Input + TT 34 Output T 13 T 8 TT 19 20 T T TT T 5 7 14 15 16 T 6 V- CC 2/11