參數資料
型號: ADR550ART-REEL7
廠商: ANALOG DEVICES INC
元件分類: 基準電壓源/電流源
英文描述: High Precision Shunt Mode Voltage References
中文描述: 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 5 V, PDSO3
封裝: TO-236AB, SOT-23, 3 PIN
文件頁數: 7/16頁
文件大?。?/td> 210K
代理商: ADR550ART-REEL7
ADR520/ADR525/ADR530/ADR540/ADR550
PARAMETER DEFINITIONS
TEMPERATURE COEFFICIENT
Temperature coefficient
is defined as the change in output
voltage with respect to operating temperature changes, and is
normalized by an output voltage of 25°C. This parameter is
expressed in ppm/°C, and is determined by the following
equation:
( )
(
25
°
°
O
C
V
C
Rev. A | Page 7 of 16
( )
2
T
)
(
×
)
6
10
×
=
1
O
O
O
T
V
V
ppm
TCV
(1)
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.
THERMAL HYSTERESIS
Thermal hysteresis
is defined as the change in output voltage
after the device is cycled through temperatures ranging from
+25°C to –40°C, then to +85°C, and back to +25°C. The
following equation expresses a typical value from a sample of
parts put through such a cycle:
(
)
(
[
]
)
(
)
6
_
_
_
_
10
25
25
V
25
×
°
°
=
°
V
=
C
V
C
ppm
V
V
C
V
V
O
TC
O
O
HYS
O
TC
O
O
HYS
O
(2)
where:
V
O
(
25°C
)
=
V
O
at 25°C.
V
O_TC
=
V
O
at 25°C after a temperature cycle from +25°C to
–40°C, then to +85°C, and back to +25°C.
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