Datasheet

3
LT1021
E
LECTR
IC
AL C CHARA TERIST
ICS
LT1021-5
PARAMETER CONDITIONS MIN TYP MAX UNITS
Output Voltage (Note 2) LT1021C-5 4.9975 5.000 5.0025 V
LT1021B-5/LT1021D-5 4.9500 5.000 5.0500 V
Output Voltage Temperature Coefficient (Note 3) T
MIN
≤ T
J
≤ T
MAX
LT1021B-5 ● 2 5 ppm/°C
LT1021C-5/LT1021D-5
● 3 20 ppm/°C
Line Regulation (Note 4) 7.2V ≤ V
IN
≤ 10V 4 12 ppm/V
● 20 ppm/V
10V ≤ V
IN
≤ 40V 2 6 ppm/V
● 10 ppm/V
Load Regulation (Sourcing Current) 0 ≤ I
OUT
≤ 10mA 10 20 ppm/mA
(Note 4)
● 35 ppm/mA
Load Regulation (Sinking Current) 0 ≤ I
OUT
≤ 10mA 60 100 ppm/mA
(Note 4)
● 150 ppm/mA
Supply Current 0.8 1.2 mA
● 1.5 mA
Output Voltage Noise (Note 6) 0.1Hz ≤ f ≤ 10Hz 3.0 µV
P-P
10Hz ≤ f ≤ 1kHz 2.2 3.5 µV
RMS
Long Term Stability of Output Voltage (Note 7) ∆t = 1000Hrs Noncumulative 15 ppm
Temperature Hysteresis of Output ∆T = ±25°C 10 ppm
LT1021-7
PARAMETER CONDITIONS MIN TYP MAX UNITS
Output Voltage (Note 2) 6.95 7.00 7.05 V
Output Voltage Temperature Coefficient (Note 3) T
MIN
≤ T
J
≤ T
MAX
LT1021B-7 ● 2 5 ppm/°C
LT1021D-7
● 3 20 ppm/°C
Line Regulation (Note 4) 8.5V ≤ V
IN
≤ 12V 1.0 4 ppm/V
● 2.0 8 ppm/V
12V ≤ V
IN
≤ 40V 0.5 2 ppm/V
● 1.0 4 ppm/V
Load Regulation (Sourcing Current) 0 ≤ I
OUT
≤ 10mA 12 25 ppm/mA
(Note 4)
● 40 ppm/mA
Load Regulation (Shunt Mode) 1.2mA ≤ I
SHUNT
≤ 10mA 50 100 ppm/mA
(Notes 4, 5)
● 150 ppm/mA
Supply Current (Series Mode) 0.75 1.2 mA
● 1.5 mA
Minimum Current (Shunt Mode) V
IN
is Open 0.7 1.0 mA
● 1.2 mA
Output Voltage Noise (Note 6) 0.1Hz ≤ f ≤ 10Hz 4.0 µV
P-P
10Hz ≤ f ≤ 1kHz 2.5 4.0 µV
RMS
Long Term Stability of Output Voltage (Note 7) ∆t = 1000Hrs Noncumulative 7 ppm
Temperature Hysteresis of Output ∆T = ±25°C 3 ppm
The ● denotes specifications that apply over the full operating temperature
range, otherwise specifications are T
A
= 25°C. V
IN
= 10V, I
OUT
= 0, unless otherwise noted.
The ● denotes specifications that apply over the full operating temperature range, otherwise specifications are T
A
= 25°C.
V
IN
= 12V, I
OUT
= 0, unless otherwise noted.