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LM185-1.2 Fiches technique(PDF) 3 Page - Linear Technology

No de pièce LM185-1.2
Description  Micropower Voltage Reference
Download  8 Pages
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Fabricant  LINER [Linear Technology]
Site Internet  http://www.linear.com
Logo LINER - Linear Technology

LM185-1.2 Fiches technique(HTML) 3 Page - Linear Technology

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LM185-1.2/
LM285-1.2/LM385-1.2
3
ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Selected devices with guaranteed maximum temperature
coefficient are available upon request.
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. For the LM185-1.2 TMIN = –55°C and TMAX = 125°C. For LM285-1.2
TMIN = –40°C and TMAX = 85°C.For LM385-1.2 TMIN = 0°C and TMAX = 70°C. For MIL-STD components, please refer to LTC883C data
sheet for test listing and parameters.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
VZ
Reverse Breakdown Voltage
TA = 25°C, IMIN ≤ IR ≤ 20mA
LM185-1.2
1.223
1.235
1.247
V
LM385-1.2
1.205
1.235
1.260
V
LM385B-1.2 (Note 3)
1.223
1.235
1.247
V
∆VZ
Average Temperature Coefficient
IMIN ≤ IR ≤ 20mA (Notes 2, 3)
20
20
ppm/
°C
∆Temp
IMIN
Minimum Operating Current
TMIN ≤ TA ≤ TMAX
q
810
8
15
µA
∆VZ
Reverse Breakdown Voltage
IMIN ≤ IR ≤ 1mA
∆IR
Change with Current
TA = 25°C1
1
mV
TMIN ≤ TA ≤ TMAX
q
1.5
1.5
mV
1mA
≤ IR ≤ 20mA
TA = 25°C10
10
mV
TMIN ≤ TA ≤ TMAX
q
20
25
mV
rZ
Reverse Dynamic Impedance
IR = 100µA
TA =25°C
0.2
0.6
0.4
1.0
TMIN ≤ TA ≤ TMAX
q
1.5
1.5
en
Wideband Noise (RMS)
IR = 100µA, 10Hz ≤ f ≤ 10kHz
60
60
µV
∆VZ
Long Term Stability
IR = 100µA, TA = 25°C ± 0.1°C
20
20
ppm/kHr
∆Time
LM385-1.2/LM385B-1.2
Note 3: For applications requiring low initial tolerance guaranteed over
temperature consult the LT1004 data sheet.
LM185-1.2/LM285-1.2


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