LT1389 5V ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25 ° C. (Note 3)PARAMETERCONDITIONSMINTYPMAXUNITS Reverse Breakdown Voltage LT1389BCS8 (IR = 1.5µA) 4.99625 5.000 5.00375 V – 0.075 0.075 % LT1389BCS8 (IR = 1.5µA) ● 4.979 5.000 5.021 V – 0.42 0.42 % Reverse Breakdown Change 1.5µA ≤ IR ≤ 200µA 0.2 1.5 mV with Current (Note 4) ● 0.2 3 mV 200µA ≤ IR ≤ 2mA 0.3 4 mV ● 0.3 6 mV Minimum Operating Current ● 1 µA Temperature Coefficient IR = 1.5µA ● 12 50 ppm/°C Reverse Dynamic Impedance (Note 5) 1.5µA ≤ IR ≤ 2mA 0.75 2 Ω ● 0.75 3 Ω Low Frequency Noise (Note 6) IR = 1.5µA, 0.1Hz ≤ f ≤ 10Hz 100 µVP-P Note 1: Absolute Maximum Ratings are those values beyond which the life Note 4: Output requires 0.1µF for operating current greater than 1mA. of a device may be impaired. Note 5: This parameter is guaranteed by “reverse breakdown change with Note 2: If the part is stored outside of the specific operating temperature current” test. range, the output may shift due to hysteresis. Note 6: Peak-to-peak noise is measured with a single highpass filter at Note 3: ESD (Electrostatic Discharge) sensitive device. Use proper ESD 0.1Hz and 2-pole lowpass filter at 10Hz. handling precautions. 4
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