Datasheet
LT1634
3
1634fe
TEMPERATURE ACCURACY (%)
TEMPERATURE COEFFICIENT
(ppm/°C)
PACKAGE TYPE
MS8 S8 Z
0°C to 70°C 0.05 10 LT1634ACS8-1.25
LT1634ACS8-2.5
LT1634ACS8-4.096
LT1634ACS8-5
–40°C to 85°C 0.05 10 LT1634AIS8-1.25
LT1634AIS8-2.5
LT1634AIS8-4.096
LT1634AIS8-5
0°C to 70°C 0.05 25 LT1634BCMS8-1.25
LT1634BCMS8-2.5
LT1634BCS8-1.25
LT1634BCS8-2.5
LT1634BCS8-4.096
LT1634BCS8-5
–40°C to 85°C 0.05 25 LT1634BIS8-1.25
LT1634BIS8-2.5
LT1634BIS8-4.096
LT1634BIS8-5
0°C to 70°C 0.20 25 LT1634CCZ-1.25
LT1634CCZ-2.5
LT1634CCZ-4.096
LT1634CCZ-5
AVAILABLE OPTIONS
1.25V ELECTRICAL CHARACTERISTICS
PARAMETER CONDITIONS MIN TYP MAX UNITS
Reverse Breakdown Voltage LT1634ACS8/LT1634BCMS8/LT1634BCS8/
LT1634AIS8/LT1634BIS8 (I
R
= 10μA)
1.24937
–0.05
1.250 1.25062
0.05
V
%
LT1634CCZ (I
R
= 10μA) 1.24750
–0.20
1.250 1.25250
0.20
V
%
LT1634ACS8 (I
R
= 10μA)
l
1.24849
–0.12
1.250 1.25149
0.12
V
%
LT1634AIS8 (I
R
= 10μA)
l
1.24781
–0.175
1.250 1.25218
0.175
V
%
LT1634BCS8/LT1634BCMS8 (I
R
= 10μA)
l
1.24718
–0.225
1.250 1.25281
0.225
V
%
LT1634BIS8 (I
R
= 10μA)
l
1.24547
–0.362
1.250 1.25453
0.362
V
%
LT1634CCZ (I
R
= 10μA)
l
1.24531
–0.375
1.250 1.25469
0.375
V
%
Reverse Breakdown Change
with Current (Note 4)
10μA ≤ I
R
≤ 2mA
l
0.25
0.30
1
2
mV
mV
2mA ≤ I
R
≤ 20mA
l
2
2
8
10
mV
mV
Minimum Operating Current
l
7μA
Temperature Coeffi cient (Note 8) LT1634A, I
R
= 10μA
LT1634B/LT1634C, I
R
= 10μA
l
4
10
10
25
ppm/°C
ppm/°C
Reverse Dynamic Impedance (Note 5) 10μA ≤ I
R
≤ 2mA
l
0.125
0.150
0.5
1.0
Ω
Ω
Low Frequency Noise (Note 6) I
R
= 10μA, 0.1Hz ≤ f ≤ 10Hz 10 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)