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