BUY AD705JR https://www.utsource.net/itm/p/166443.html
Picoampere Input Current Bipolar Op Amp
Description: The AD705JR is a low power, high accuracy, single-supply, CMOS voltage-to-frequency converter. Features: Low Power: 0.5 mW (Typ) High Accuracy: 0.2% (Typ) Single Supply: 2.7 V to 5.5 V Wide Frequency Range: DC to 1 MHz Low Input Voltage Range: 0 V to VDD Low Output Impedance: 400 Ω (Typ) Low Input Offset Voltage: 0.5 mV (Typ) Low Input Bias Current: 0.5 nA (Typ) Low Output Noise: 0.1 mV (Typ) Low Input Capacitance: 1 pF (Typ) High Output Current: 10 mA (Typ) TTL/CMOS Compatible Output Low Cost Applications: Frequency-to-Voltage Conversion Frequency Control Frequency Measurement Temperature Measurement Pressure Measurement Flow Measurement Level Measurement Position Measurement Speed Measurement (For reference only)