參數(shù)資料
型號: LM285BYM
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 基準(zhǔn)電壓源/電流源
英文描述: Adjustable Micropower Voltage References
中文描述: 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.24 V, PDSO8
封裝: SOIC-8
文件頁數(shù): 4/15頁
文件大?。?/td> 307K
代理商: LM285BYM
SLVS075H APRIL 1989 REVISED FEBRUARY 2005
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified free-air temperature
PARAMETER
TEST
LM285-1.2
MIN
LM385-1.2
MIN
LM385B-1.2
MIN
UNIT
CONDITIONS
TA
TYP
MAX
TYP
MAX
TYP
MAX
VZ
Reference
voltage
IZ = I(min)
to 20 mA
25
°
C
1.223
1.235
1.247
1.21
1.235
1.26
1.223
1.235
1.247
V
α
VZ
Average
temperature
coefficient of
reference
voltage§
IZ = I(min)
to 20 mA
Full range
±
20
±
20
±
20
ppm/
°
C
Change in
reference
current
IZ = I(min)
to 1 mA
25
°
C
Full range
25
°
C
Full range
1
1
1
VZ
1.5
1.5
1.5
mV
IZ = 1 mA
to 20 mA
12
20
20
voltage with
30
30
30
VZ/
t
Long-term
change in
reference
voltage
IZ = 100
μ
A
25
°
C
±
20
±
20
±
20
ppm/khr
IZ(min)
Minimum
reference
current
Full range
8
10
8
15
8
15
μ
A
zz
Reference
impedance
IZ = 100
μ
A,
f = 25 Hz
25
°
C
Full range
0.2
0.6
0.4
1
0.4
1
1.5
1.5
1.5
Vn
Broadband
noise voltage
IZ = 100
μ
A,
f = 10 Hz to
10 kHz
25
°
C
60
60
60
μ
V
Full range is 40
°
C to 85
°
C for the LM285-1.2 and 0
°
C to 70
°
C for the LM385-1.2 and LM385B-1.2.
I(min) = 10
μ
A for the LM285-1.2 and 15
μ
A for the LM385-1.2 and LM385B-1.2
§The average temperature coefficient of reference voltage is defined as the total change in reference voltage divided by the specified temperature
range.
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