Texas Instruments

Programmable Output Current in Temperature Measurement Programmable Output Common Mode Voltage Active Guarding On Board Sensor Test Supported by Webench Sensor AFE Designer Supported by Webench Sensor Designer Tools Key Specifications Unless otherwise noted, typical values at TA = 25°C, VS=(VDD-GND) = 3.3V pH Buffer Input bias current (0 INP <3.3V) max @ 25°C: ±125 fA max @ 85°C: ±445 fA pH Buffer Input bias current (-500mV INP-V CM <500mV), V S=(VDD-GND)=0V max @ 25°C: ±600 fA max @ 85°C: ±6.5 pA pH Buffer Input offset voltage: ±200 µV pH Buffer Input offset voltage drift: ±2.5 μV/°C Supply current (pH mode): 50 μA Supply voltage: 1.8 V to 5.5 V Operating temperature range: -40°C to 125°C Package: 16-Pin TSSOP