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LT1461BIS8-4 数据手册 - Linear Technology（凌力尔特）
制造商:
Linear Technology（凌力尔特）
分类:
电压基准芯片
封装:
SOIC-8
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LT1461BIS8-4数据手册
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of 16 Go
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1
LT1461
Micropower Precision
Low Dropout Series
Voltage Reference Family
■
Trimmed to High Accuracy: 0.04% Max
■
Low Drift: 3ppm/
°
C Max
■
Low Supply Current: 50
µ
A Max
■
Temperature Coefficient Guaranteed to 125°C
■
High Output Current: 50mA Min
■
Low Dropout Voltage: 300mV Max
■
Excellent Thermal Regulation
■
Power Shutdown
■
Thermal Limiting
■
Operating Temperature Range: –40°C to 125°C
■
Voltage Options: 2.5V, 3V, 3.3V, 4.096V and 5V
The LT
®
1461 is a family of low dropout micropower bandgap
references that combine very high accuracy and low drift with
low supply current and high output drive. These series
references use advanced curvature compensation techniques
to obtain low temperature coefficient and trimmed precision
thin-film resistors to achieve high output accuracy. The
LT1461 family draws only 35µA of supply current, making
them ideal for low power and portable applications, however
their high 50mA output drive makes them suitable for higher
power requirements, such as precision regulators.
In low power applications, a dropout voltage of less than
300mV ensures maximum battery life while maintaining full
reference performance. Line regulation is nearly immeasur-
able, while the exceedingly good load and thermal regulation
will not add significantly to system error budgets. The
shutdown feature can be used to switch full load currents and
can be used for system power down. Thermal shutdown
protects the part from overload conditions. The LT1461 is
available in 2.5V, 3V, 3.3V 4.096V and 5V options.
■
A/D and D/A Converters
■
Precision Regulators
■
Handheld Instruments
■
Power Supplies
, LTC and LT are registered trademarks of Linear Technology Corporation.
C
IN
1µF
V
OUT
(V
OUT
+ 0.3V) ≤ V
IN
≤ 20V
C
L
2µF
1461 TA01
LT1461
LT1461-2.5 Load Regulation, P
DISS
= 200mW
Basic Connection
0mA
I
OUT
20mA
V
OUT
LOAD REG
1mV/DIV
10ms/DIV
1461 TA02
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
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