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參數(shù)資料
| 型號(hào)： | SL432X |
| 廠商： | AUK Corp |
| 英文描述： | Programmable Voltage Reference |
| 中文描述： | 可編程電壓基準(zhǔn) |
| 文件頁(yè)數(shù)： | 3/5頁(yè) |
| 文件大?。?/td> | 367K |
| 代理商： | SL432X |
KSD-I0A001-002
3
SL432x
1
ref
2
1
ref
KA
R
×
I
+
)
R
R
+
1
×
V
=
V
Note.
1. Ambient temperature range: T
LOW
= -40
℃
, T
High
= 85
℃
2. The deviation parameters
△
V
ref
and
△
I
ref
are defined as the difference between the maximum value and minimum value
obtained over the full operating ambient temperature range that applied.
The average temperature coefficient of the reference input voltage,
ref
V
α
is defined as:
T
)
10
×
)
℃
25
=
T
(
V
V
(
=
)
℃
ppm
(
V
α
a
6
a
ref
ref
ref
ref
V
α
can be positive or negative depending on whether V
ref
Min or V
ref
Max occurs at the lower ambient temperature, refer to
Fig. 8
Example :
△
V
ref
= 10mV and the slope is positive,
△
V
ref
@ 25
℃
= 1.24V
△
T
a
= 125
℃
℃
/
ppm
65
=
125
10
×
)
241
.
010
.
(
=
)
℃
ppm
(
V
α
6
ref
3. The dynamic impedance Z
KA
is defined as:
K
KA
KA
I
V
=
Ζ
When the device is operating with two external resistors, R1 and R2, (refer to Fig.2) the total dynamic impedance of the circuit
is given by:
)
R
R
+
1
×
Ζ
=
Ζ
2
1
KA
'
KA
Fig. 1 Test circuit for V
KA
=V
ref
Fig. 2 Test circuit for V
KA
>V
ref
Fig. 3 Test circuit for I
K(off)
V
ref
= V
ref
Max – V
ref
Min
T
a
= T
2
– T
1
Ambient Temperature
KA
Input
R1
R2
V
V
KA
Input
I
K(off)
I
ref
V
ref
I
K
KA
V
Input
I
K
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