Selection Guide Voltage-to-Frequency Converters PIN 1 IOENTIFIER, d cosie ono [7] t= 10Hz/K sync. [7] tw [3 ve [a vin [5] vreme [8}-fvr Vy PRECISION Voutace, Va REFERENCE 100nF Vere vp REFERENCE Vg (CONNECTED To CASE} Vout G1) +IN (2) -IN (3 BIPOLAR OFFSET CURRENT ws) ONE FREQ SHOT CAPACITOR ne (7) VOL. Il, 12-2 V/F & F/V CONVERTERS AD537 Low Cost A/D Conversion Versatile Input Amplifier Positive or Negative Voltage Modes Negative Current Mode High Input Impedance, Low Drift Single Supply, 5 to 36 Volts Linearity: + 0.05% FS Low Power: 1.2mA Quiescent Current Full Scale Frequency up to 100kHz 1.00 Volt Reference Thermometer Output (1mV/K) F/V Applications AD650 VIF Conversion to 1IMHz Reliabie Monolithic Construction. Very High Linearity 0.002% typ at 10kHz 0.005% typ at 100kHz 0.07% typ at IMHz Input Offset Trimmable to Zero CMOS or TTL Compatible Unipolar, Bipolar, or Differential V/F VIF or F/V Conversion Page Vol. E 11-7 Vol. I 11-15