LM129/LM329 elecTrical characTerisTicsThe l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C. (Note 2)LM129A/LM329A/LM329B/LM129B/LM129CLM329C/LM329DSYMBOLPARAMETERCONDITIONSMINTYPMAXMINTYPMAXUNITS VZ Reverse-Breakdown Voltage TA = 25°C, 0.6mA ≤ IR ≤ 15mA 6.7 6.9 7.2 6.6 6.9 7.25 V ∆VZ Reverse-Breakdown Voltage TA = 25°C, 0.6mA ≤ IR ≤ 15mA 9 14 9 20 mV ∆IR Change with Current 1mA ≤ IR ≤ 15mA l 12 12 mV ∆VZ Temperature Coefficient IR = 1mA, ∆Temp LM129A/LM329A l 6 10 6 10 ppm/°C LM129B/LM329B l 15 20 15 20 ppm/°C LM129C/LM329C l 30 50 30 50 ppm/°C LM329D l 50 100 ppm/°C Change in Temperature Coefficient 1mA ≤ IR ≤ 15mA l 1 1 ppm/°C rZ Dynamic Impedance TA = 25°C, IR = 1mA 0.6 1 0.8 2 Ω 1mA ≤ IR ≤ 15mA l 0.8 1 Ω en RMS Noise TA = 25°C, 10Hz ≤ f ≤ 10kHz 7 20 7 100 µV ∆VZ Long-Term Stability TA = 45°C ±0.1°C, IR = 1mA ±0.3% 20 20 ppm/kHr ∆Time Note 1: Stresses beyond those listed under Absolute Maximum Ratings Note 2: To determine the junction temperature as a function of the ambient may cause permanent damage to the device. Exposure to any Absolute temperature, see qJA for each package. Maximum Rating condition for extended periods may affect device reliability and lifetime. 129329fd For more information www.linear.com/LM329 3 Document Outline Description Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Package Description Typical Application Related Parts