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LT1021DCN8-10 Datasheet(PDF) 4 Page - Linear Technology

Part # LT1021DCN8-10
Description  Precision Reference
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1021DCN8-10 Datasheet(HTML) 4 Page - Linear Technology

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4
LT1021
1021fc
ELECTRICAL C
C
HARA TERISTICS
LT1021-10
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Voltage (Note 2)
LT1021C-10
9.995
10.00
10.005
V
LT1021B-10/LT1021D-10
9.950
10.00
10.050
V
Output Voltage Temperature Coefficient (Note 3)
TMIN ≤ TJ ≤ TMAX
LT1021B-10
2
5
ppm/
°C
LT1021C-10/LT1021D-10
5
20
ppm/
°C
Line Regulation (Note 4)
11.5V
≤ VIN ≤ 14.5V
1.0
4
ppm/V
6
ppm/V
14.5V
≤ VIN ≤ 40V
0.5
2
ppm/V
4
ppm/V
Load Regulation (Sourcing Current)
0
≤ IOUT ≤ 10mA
12
25
ppm/mA
(Note 4)
40
ppm/mA
Load Regulation (Shunt Mode)
1.7mA
≤ ISHUNT ≤ 10mA
50
100
ppm/mA
(Notes 4, 5)
150
ppm/mA
Supply Current (Series Mode)
1.2
1.7
mA
2.0
mA
Minimum Current (Shunt Mode)
VIN is Open
1.1
1.5
mA
1.7
mA
Output Voltage Noise (Note 6)
0.1Hz
≤ f ≤ 10Hz
6.0
µVP-P
10Hz
≤ f ≤ 1kHz
3.5
6
µVRMS
Long Term Stability of Output Voltage (Note 7)
∆t = 1000Hrs Noncumulative
15
ppm
Temperature Hysteresis of Output
∆T = ±25°C
5
ppm
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Output voltage is measured immediately after turn-on. Changes
due to chip warm-up are typically less than 0.005%.
Note 3: Temperature coefficient is measured by dividing the change in
output voltage over the temperature range by the change in temperature.
Separate tests are done for hot and cold; TMIN to 25°C and 25°C to TMAX.
Incremental slope is also measured at 25
°C.
Note 4: Line and load regulation are measured on a pulse basis. Output
changes due to die temperature change must be taken into account
separately. Package thermal resistance is 150
°C/W for TO-5 (H), 130°C/W
for N and 150
°C/W for the SO-8.
Note 5: Shunt mode regulation is measured with the input open. With the
input connected, shunt mode current can be reduced to 0mA. Load
regulation will remain the same.
Note 6: RMS noise is measured with a 2-pole highpass filter at 10Hz and a
2-pole lowpass filter at 1kHz. The resulting output is full-wave rectified and
then integrated for a fixed period, making the final reading an average as
opposed to RMS. Correction factors are used to convert from average to
RMS and correct for the non-ideal bandpass of the filters.
Peak-to-peak noise is measured with a single highpass filter at 0.1Hz and a
2-pole lowpass filter at 10Hz. The unit is enclosed in a still-air environment
to eliminate thermocouple effects on the leads. Test time is 10 seconds.
Note 7: Consult factory for units with long term stability data.
The
denotes specifications that apply over the full operating temperature
range, otherwise specifications are TA = 25°C. VIN = 15V, IOUT = 0, unless otherwise noted.


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