LT1634 2.5v elecTrical characTerisT ics The l denotes the specifications which apply over the fulloperating temperature range, otherwise specifications are at TA = 25°C. (Note 3)PARAMETERCONDITIONSMINTYPMAXUNITS Reverse Breakdown Voltage LT1634ACS8/LT1634BCMS8/LT1634BCS8/ 2.49875 2.500 2.50125 V LT1634AIS8/LT1634BIS8 (IR = 10µA) –0.05 0.05 % LT1634CCZ (IR = 10µA) 2.49500 2.500 2.50500 V –0.20 0.20 % LT1634ACS8 (IR = 10µA) l 2.49700 2.500 2.50300 V –0.12 0.12 % LT1634AIS8 (IR = 10µA) l 2.49562 2.500 2.50437 V –0.175 0.175 % LT1634BCMS8/LT1634BCS8 (IR = 10µA) l 2.49437 2.500 2.50562 V –0.225 0.225 % LT1634BIS8 (IR = 10µA) l 2.49094 2.500 2.50906 V –0.362 0.362 % LT1634CCZ (IR = 10µA) l 2.49062 2.500 2.50937 V –0.375 0.375 % Reverse Breakdown Change 10µA ≤ IR ≤ 2mA 0.30 1.5 mV with Current (Note 4) l 0.40 3.0 mV 2mA ≤ IR ≤ 20mA 2 8 mV l 2 10 mV Minimum Operating Current l 8 µA Temperature Coefficient (Note 8) LT1634A, IR = 10µA l 4 10 ppm/°C LT1634B/LT1634C, IR = 10µA l 10 25 ppm/°C Reverse Dynamic Impedance (Note 5) 10µA ≤ IR ≤ 2mA 0.15 0.75 Ω l 0.20 1.50 Ω Low Frequency Noise (Note 6) IR = 10µA, 0.1Hz ≤ f ≤ 10Hz 15 µVP-P Hysteresis (Note 7) ∆T = –40°C to 85°C 160 ppm ∆T = 0°C to 70°C 40 ppm 4.096 elecTrical characTeris TicsThe l denotes the specifications which apply over the fulloperating temperature range, otherwise specifications are at TA = 25°C. (Note 3) PARAMETERCONDITIONSMINTYPMAXUNITS Reverse Breakdown Voltage LT1634ACS8/LT1634BCS8/ 4.09395 4.096 4.09805 V LT1634AIS8/LT1634BIS8 (IR = 20µA) –0.05 0.05 % LT1634CCZ (IR = 20µA) 4.08780 4.096 4.10419 V –0.20 0.20 % LT1634ACS8 (IR = 20µA) l 4.09108 4.096 4.10091 V –0.12 0.12 % LT1634AIS8 (IR = 20µA) l 4.08883 4.096 4.10317 V –0.175 0.175 % LT1634BCS8 (IR = 20µA) l 4.08678 4.096 4.10522 V –0.225 0.225 % LT1634BIS8 (IR = 20µA) l 4.08115 4.096 4.11085 V –0.362 0.362 % LT1634CCZ (IR = 20µA) l 4.08064 4.096 4.11137 V –0.375 0.375 % Reverse Breakdown Change 20µA ≤ IR ≤ 2mA 0.30 1.5 mV with Current (Note 4) l 0.40 3.0 mV 2mA ≤ IR ≤ 20mA 6 15 mV l 6 20 mV Minimum Operating Current l 15 µA 1634ff 4 For more information www.linear.com/LT1634 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Applications Information Typical Application Related Parts