參數(shù)資料
型號: ADR130
廠商: Analog Devices, Inc.
英文描述: Precision Series Sub-Band Gap Voltage Reference
中文描述: 精密系列子帶隙基準(zhǔn)電壓源
文件頁數(shù): 11/16頁
文件大?。?/td> 788K
代理商: ADR130
ADR130
TERMINOLOGY
Temperature Coefficient
Temperature coefficient is the change of output voltage with
respect to the operating temperature change normalized by the
output voltage at 25°C. This parameter is expressed in ppm/°C
and is determined by
( )
(
C
25
°
O
V
Rev. 0 | Page 11 of 16
[
]
( )
2
)
(
×
)
6
10
C
ppm/
×
=
°
1
O
O
O
T
T
V
V
TCV
where:
V
O
(25°C) =
V
O
at 25°C.
V
O
(T
1
)
=
V
O
at Temperature 1.
V
O
(
T
2
) =
V
O
at Temperature 2.
Line Regulation
Line regulation is the change in the output due to a specified
change in input voltage. This parameter accounts for the effects
of self-heating. Line regulation is expressed in either %/V,
ppm/V, or μV/ΔV
IN
.
Load Regulation
Load regulation is the change in output voltage due to a
specified change in load current. This parameter accounts for
the effects of self-heating. Load regulation is expressed in either
mV/mA, ppm/mA, or dc output resistance (Ω).
Long-Term Stability
Long-term stability is the typical shift of output voltage at 25°C
on a sample of parts subjected to a test of 1000 hours at 25°C.
( )
( )
1
O
O
O
t
V
V
V
( )
( )
( )
O
V
where:
V
O
(t
0
)
=
V
O
at 25°C at Time 0.
V
O
(t
1
)
=
V
O
at 25°C after 1000 hours operating at 25°C.
Thermal Hysteresis
Thermal hysteresis is the change of output voltage after the
device is cycled through temperatures from +25°C to 40°C to
+125°C, then back to +25°C. This is a typical value from a
sample of parts put through such a cycle.
where:
V
O
(25°C) =
V
O
at 25°C.
V
OTC
=
V
O
at 25°C after temperature cycle from +25°C to 40°C
to +125°C, then back to +25°C.
=
Δ
[
]
6
10
ppm
×
=
Δ
1
O
O
O
t
V
V
V
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