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LT1634BCMS8-2.5 参数 Datasheet PDF下载

LT1634BCMS8-2.5图片预览
型号: LT1634BCMS8-2.5
PDF下载: 下载PDF文件 查看货源
内容描述: 精密微功耗并联型电压基准 [Micropower Precision Shunt Voltage Reference]
分类和应用:
文件页数/大小: 12 页 / 330 K
品牌: LINER [ LINEAR TECHNOLOGY ]
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LT1634
Micropower Precision
Shunt Voltage Reference
FEATURES
s
s
s
s
s
DESCRIPTION
The LT
®
1634 is a micropower, precision, shunt voltage
reference. The bandgap reference uses trimmed precision
thin film resistors to achieve 0.05% initial voltage accu-
racy. Improved curvature correction technique guaran-
tees 10ppm/°C maximum temperature drift. Advances in
design, processing and packaging techniques guarantee
10µA operation and low temperature cycling hysteresis.
The LT1634 does not require an output compensation
capacitor, but is stable with capacitive loads. Low dynamic
impedance makes the LT1634 reference easy to use from
unregulated supplies.
The LT1634 reference can be used as a high performance
upgrade to the LM185/LM385, LT1004 and LT1034
where lower power and guaranteed temperature drift is
required.
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
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Initial Voltage Accuracy: 0.05%
Low Operating Current: 10
µ
A
Low Drift: 10ppm/
°
C Max
Less Than 1Ω Dynamic Impedance
Available in 1.25V, 2.5V, 4.096V and 5V in SO-8
and TO-92 Packages
1.25V and 2.5V Available in MSOP Package
Both Commercial and Industrial Temperature Range
Parts Are Available
APPLICATIONS
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Portable Meters
Precision Regulators
A/D and D/A Converters
Calibrators
TYPICAL APPLICATION
Super Accurate
±4.096V
Output References
5V
45k
+
LT1634-4.096
LT1495
V
OUT
4.096V
– 5V
2.0
REVERSE VOLTAGE CHANGE (mV)
1.5
1.0
0.5
0
– 0.5
–1.0
–1.5
–2.0
– 40 –20
V
OUT
– 4.096V
5V
4
5
I
S
= 200µA
OUTPUT ACCURACY
BETTER THAN 0.075%
AT
±500µA
OUTPUT
LTC
®
1043
6
I
R
= 10µA
V
OUT
= 1.25V
1µF
15
17
– 5V
5V
18
LT1495
+
1µF
– 5V
1634 TA01
U
U
U
Temperature Drift
20
40
60
0
TEMPERATURE (°C)
80
100
1634
TA02
1