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LTC1258CS8-4.1 Datasheet

  • LTC1258CS8-4.1

  • Micropower Low Dropout References

  • 8頁

  • LINER

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LTC1258 Series
Micropower Low
Dropout References
FEATURES
s
s
s
s
s
s
s
s
DESCRIPTIO
200mV Max Dropout at 10mA Output Current
4
碌
A Typical Quiescent Current
0.15% Max Initial Accuracy (S8)
No Output Capacitor Required
Output Sources 10mA, Sinks 2mA
40ppm/擄C Max Drift (S8)
Available in Small MSOP Package
Voltage Options: 2.5V, 3V, 4.1V, 5V and Adjustable
The LTC
廬
1258/LTC1258-2.5/LTC1258-3/LTC1258-4.1/
LTC1258-5 are micropower bandgap references that
combine high accuracy and low drift with very low supply
current and small package size. The combination of ultralow
quiescent current and low dropout voltage of only 200mV
max. makes them ideal for battery-powered equipment.
The output voltage is set by an external resistor divider for
the adjustable LTC1258.
This series of references uses curvature compensation to
obtain low temperature coefficient and trimmed thin-film
resistors to achieve high output accuracy. These refer-
ences can source up to 10mA and sink up to 2mA, making
them ideal for precision regulator applications. They are
stable without an output bypass capacitor, but are also
stable with capacitance up to 1碌F. This feature is important
in critical applications where PC board space is a premium
and fast settling is demanded.
The LTC1258 series references provide power dissipation
advantages over shunt references. In addition to supply
current, shunt references must also idle the entire load
current to operate.
APPLICATIO S
s
s
s
s
Battery-Powered Systems
Handheld Instruments
Precision Power Supplies
A/D and D/A Converters
, LTC and LT are registered trademarks of Linear Technology Corporation.
The LTC1258 series is available in the 8-pin MSOP and SO
packages.
TYPICAL APPLICATION
LTC1258-2.5 Temperature Drift
2.5V Battery-Powered Reference
REFERENCE VOLTAGE CHANGE (mV)
4
3
2
1
0
鈥?
鈥?
鈥?
鈥?
鈥?0
鈥?0
0
20
40
60
TEMPERATURE (擄C)
80
100
LTC1258-2.5
2.7V
TO 12.6V
2
0.1碌F
GND
1258 TA01
IN
OUT
1
2.5V
4
U
1258 TA02
U
U
1

LTC1258CS8-4.1 產品屬性

  • LTC1258 Series

  • Voltage Reference Basics

  • 100

  • 集成電路 (IC)

  • PMIC - 電壓基準

  • LTC1258

  • 系列

  • 4.096V

  • ±0.15%

  • 40ppm/°C

  • 4.296 V ~ 12.6 V

  • 1

  • -

  • 8.5µA

  • 10mA

  • 0°C ~ 70°C

  • 表面貼裝

  • 8-SOIC（0.154"，3.90mm 寬）

  • 8-SOIC

  • 管件

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