Datasheet
4
LT1634
1634fb
PARAMETER CONDITIONS MIN TYP MAX UNITS
Reverse Breakdown Voltage LT1634ACS8/LT1634BCS8/ 4.09395 4.096 4.09805 V
LT1634AIS8/LT1634BIS8 (I
R
= 20µA) –0.05 0.05 %
LT1634CCZ (I
R
= 20µA) 4.08780 4.096 4.10419 V
–0.20 0.20 %
LT1634ACS8 (I
R
= 20µA) ● 4.09108 4.096 4.10091 V
–0.12 0.12 %
LT1634AIS8 (I
R
= 20µA) ● 4.08883 4.096 4.10317 V
–0.175 0.175 %
LT1634BCS8 (I
R
= 20µA) ● 4.08678 4.096 4.10522 V
–0.225 0.225 %
LT1634BIS8 (I
R
= 20µA) ● 4.08115 4.096 4.11085 V
–0.362 0.362 %
LT1634CCZ (I
R
= 20µA) ● 4.08064 4.096 4.11137 V
–0.375 0.375 %
Reverse Breakdown Change 20µA ≤ I
R
≤ 2mA 0.3 1.5 mV
with Current (Note 4)
● 0.4 3.0 mV
2mA ≤ I
R
≤ 20mA 6 15 mV
● 620 mV
Minimum Operating Current ● 15 µA
PARAMETER CONDITIONS MIN TYP MAX UNITS
Reverse Breakdown Voltage LT1634ACS8/LT1634BCMS8/LT1634BCS8/ 2.49875 2.500 2.50125 V
LT1634AIS8/LT1634BIS8 (I
R
= 10µA) –0.05 0.05 %
LT1634CCZ (I
R
= 10µA) 2.49500 2.500 2.50500 V
–0.20 0.20 %
LT1634ACS8 (I
R
= 10µA) ● 2.49700 2.500 2.50300 V
–0.12 0.12 %
LT1634AIS8 (I
R
= 10µA) ● 2.49562 2.500 2.50437 V
–0.175 0.175 %
LT1634BCMS8/LT1634BCS8 (I
R
= 10µA) ● 2.49437 2.500 2.50562 V
–0.225 0.225 %
LT1634BIS8 (I
R
= 10µA) ● 2.49094 2.500 2.50906 V
–0.362 0.362 %
LT1634CCZ (I
R
= 10µA) ● 2.49062 2.500 2.50937 V
–0.375 0.375 %
Reverse Breakdown Change 10µA ≤ I
R
≤ 2mA 0.30 1.5 mV
with Current (Note 4)
● 0.40 3.0 mV
2mA ≤ I
R
≤ 20mA 2 8 mV
● 210 mV
Minimum Operating Current ● 8 µA
Temperature Coefficient (Note 8) LT1634A, I
R
= 10µA ● 4 10 ppm/°C
LT1634B/LT1634C, I
R
= 10µA ● 10 25 ppm/°C
Reverse Dynamic Impedance (Note 5) 10µA ≤ I
R
≤ 2mA 0.15 0.75 Ω
● 0.20 1.50 Ω
Low Frequency Noise (Note 6) I
R
= 10µA, 0.1Hz ≤ f ≤ 10Hz 15 µV
P-P
Hysteresis (Note 7) ∆T = –40°C to 85°C 160 ppm
∆T = 0°C to 70°C 40 ppm
The ● denotes specifications which apply over the full
operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 3)
The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 3)
2.5V ELECTRICAL CHARACTERISTICS
4.096V ELECTRICAL CHARACTERISTICS