TI TLV2352IPW

The TLV2352 consists of two independent, low-power comparators specifically designed for single power-supply applications and operates with power-supply rails as low as 2 V. When powered from a 3-V supply, the typical supply current is only 120 μA. The TLV2352 features an extremely high input impedance (typically greater than 10^12 Ω), which allows direct interfacing with high-impedance sources. The outputs are N-channel open-drain configurations that require an external pullup resistor to provide a positive output voltage swing, and they can be connected to achieve positive-logic wired-AND relationships. The TLV2352I is fully characterized at 3 V and 5 V for operation from – 40°C to 85°C. The TLV2352M is fully characterized at 3 V and 5 V for operation from – 55°C to 125°C. The TLV2352 has internal electrostatic-discharge (ESD)-protection circuits and has been classified with a 1000-V ESD rating using Human Body Model testing.

• Wide Range of Supply Voltages 2 V to 8 V
• Fully Characterized at 3 V and 5 V
• Very-Low Supply-Current Drain 120 μA Typ at 3 V
• Output Compatible With TTL, MOS, and CMOS
• Fast Response Time... 200 ns Typ for TTL-Level Input Step
• High Input Impedance... 10^12 Ω Typ
• Extremely Low Input Bias Current 5 pA Typ
• Common-Mode Input Voltage Range Includes Ground
• Built-In ESD Protection