Datasheet

3
LT1389
PARAMETER CONDITIONS MIN TYP MAX UNITS
Reverse Breakdown Voltage LT1389BCS8 (I
R
= 0.9µA) 2.49875 2.500 2.50125 V
–0.05 0.05 %
LT1389BCS8 (I
R
= 0.9µA) ● 2.49525 2.500 2.50475 V
–0.19 0.19 %
Reverse Breakdown Change 0.9µA ≤ I
R
≤ 200µA 0.2 0.5 mV
with Current (Note 4)
● 0.2 1.5 mV
200µA ≤ I
R
≤ 2mA 0.3 1.0 mV
● 0.3 2.5 mV
Minimum Operating Current ● 0.7 µA
Temperature Coefficient I
R
= 0.9µA ● 8 20 ppm/°C
Reverse Dynamic Impedance (Note 5) 0.9µA ≤ I
R
≤ 2mA 0.25 0.75 Ω
● 0.25 2 Ω
Low Frequency Noise (Note 6) I
R
= 0.9µA, 0.1Hz ≤ f ≤ 10Hz 50 µV
P-P
2.5V ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 3)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Reverse Breakdown Voltage LT1389BCS8 (I
R
= 1.5µA) 4.09293 4.096 4.09907 V
–0.075 0.075 %
LT1389BCS8 (I
R
= 1.5µA) ● 4.0788 4.096 4.1132 V
–0.42 0.42 %
Reverse Breakdown Change 1.5µA ≤ I
R
≤ 200µA 0.2 1.5 mV
with Current (Note 4)
● 0.2 3 mV
200µA ≤ I
R
≤ 2mA 0.3 4 mV
● 0.3 6 mV
Minimum Operating Current ● 1 µA
Temperature Coefficient I
R
= 1.5µA ● 12 50 ppm/°C
Reverse Dynamic Impedance (Note 5) 1.5µA ≤ I
R
≤ 2mA 0.75 2 Ω
● 0.75 3 Ω
Low Frequency Noise (Note 6) I
R
= 1.5µA, 0.1Hz ≤ f ≤ 10Hz 80 µV
P-P
4.096V ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full
operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 3)