參數(shù)資料
型號： LT1236-5
廠商： Linear Technology Corporation
英文描述： Precision Reference
中文描述： 精密參考
文件頁數(shù)： 3/12頁
文件大?。?/td> 262K
代理商： LT1236-5
3
LT1236
ELECTRICAL C
HARA TERISTICS
V
IN
= 10V, I
OUT
= 0, T
A
= 25
°
C, unless otherwise noted.
LT1236-10
TYP
10.000
10.000
PARAMETER
Output Voltage (Note 1)
CONDITIONS
LT1236A-10
LT1236B-10/LT1236C-10
T
MIN
≤
T
J
≤
T
MAX
LT1236A-10
LT1236B-10
LT1236C-10
11.5V
≤
V
IN
≤
14.5V
MIN
9.995
9.990
MAX
10.005
10.010
UNITS
V
V
Output Voltage Temperature Coefficient (Note 2)
2
5
5
ppm/
°
C
ppm/
°
C
ppm/
°
C
ppm/V
ppm/V
ppm/V
ppm/V
ppm/mA
ppm/mA
ppm/mA
ppm/mA
10
15
4
6
2
4
25
40
100
150
1.7
2.0
1.5
1.7
10
1.0
Line Regulation (Note 3)
G
14.5V
≤
V
IN
≤
40V
0.5
G
Load Regulation (Sourcing Current)
(Note 3)
Load Regulation (Shunt Mode)
(Notes 3, 4)
Series Mode Supply Current
0
≤
I
OUT
≤
10mA
12
G
1.7mA
≤
I
SHUNT
≤
10mA
50
G
1.2
mA
mA
mA
mA
G
Shunt Mode Minimum Current
V
IN
is Open
1.1
G
Output Voltage Noise (Note 5)
0.1Hz
≤
f
≤
10Hz
10Hz
≤
f
≤
1kHz
t = 1000Hrs Non-Cumulative
T =
±
25
°
C
6.0
3.5
30
5
μ
V
P-P
μ
V
RMS
ppm
ppm
6
Long-Term Stablility of Output Voltage (Note 6)
Temperature Hysteresis of Output (Note 7)
V
IN
= 15V, I
OUT
= 0, T
A
= 25
°
C, unless otherwise noted.
Note 5:
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 0.88 is used to correct for the non-ideal bandbass 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 6:
Long-term stability typically has a logarithmic characteristic and
therefore, changes after 1000 hours tend to be much smaller than before
that time. Total drift in the second thousand hours is normally less than
one third that of the first thousand hours, with a continuing trend toward
reduced drift with time. Significant improvement in long-term drift can be
The
G
denotes specifications which apply over the specified temperature
range.
Note 1:
Output voltage is measured immediately after turn-on. Changes
due to chip warm-up are typically less than 0.005%.
Note 2:
Temperature coefficient is measured by dividing the change in
output voltage over the temperature range by the change in temperature.
Incremental slope is also measured at 25
°
C.
Note 3:
Line and load regulation are measured on a pulse basis. Output
changes due to die temperature change must be taken into account
separately.
Note 4:
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.
LT1236-5
TYP
60
PARAMETER
Load Regulation (Sinking Current)
(Note 3)
Supply Current
CONDITIONS
0
≤
I
OUT
≤
10mA
MIN
MAX
100
150
1.2
1.5
UNITS
ppm/mA
ppm/mA
G
0.8
mA
mA
G
Output Voltage Noise
(Note 5)
Long-Term Stability of Output Voltage (Note 6)
Temperature Hysteresis of Output (Note 7)
0.1Hz
≤
f
≤
10Hz
10Hz
≤
f
≤
1kHz
t = 1000Hrs Non-Cumulative
T =
±
25
°
C
3.0
2.2
20
10
μ
V
P-P
μ
V
RMS
ppm
ppm
3.5
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