LTC6655BHLS8-2.5PBF データシートの表示（PDF） - Linear Technology

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LTC6655BHLS8-2.5PBF

0.25ppm Noise, Low Drift Precision References

Linear Technology 

LTC6655

0.25ppm Noise, Low Drift

Precision References

Features

nn Low Noise: 0.25ppmP-P (0.1Hz to 10Hz)

625nVP-P for the LTC6655-2.5

nn Low Drift: 2ppm/°C Max

nn High Accuracy: ±0.025% Max

nn No Humidity Sensitivity (LS8 Package)

nn Thermal Hysteresis (LS8): 30ppm (–40°C to 85°C)

nn Long-Term Drift (LS8): 20ppm/√kHr

nn 100% Tested at –40°C, 25°C and 125°C

nn Load Regulation: <10ppm/mA

nn Sinks and Sources Current: ±5mA

nn Low Dropout: 500mV

nn Maximum Supply Voltage: 13.2V

nn Low Power Shutdown: <20µA Max

nn Available Output Voltages: 1.25V, 2.048V, 2.5V, 3V,

3.3V, 4.096V, 5V

nn Available in an 8-Lead MSOP and High Stability

Hermetic 5mm × 5mm LS8 Packages

Applications

nn Instrumentation and Test Equipment

nn High Resolution Data Acquisition Systems

nn Weigh Scales

nn Precision Battery Monitors

nn Precision Regulators

nn Medical Equipment

Description

The LTC®6655 is a complete family of precision bandgap

voltage references, offering exceptional noise and drift

performance. This low noise and drift is ideally suited

for the high resolution measurements required by instru-

mentation and test equipment. In addition, the LTC6655

is fully specified over the temperature range of –40°C

to 125°C, ensuring its suitability for demanding auto-

motive and industrial applications. Advanced curvature

compensation allows this bandgap reference to achieve a

drift of less than 2ppm/°C with a predictable temperature

characteristic and an output voltage accurate to ±0.025%,

reducing or eliminating the need for calibration.

The LTC6655 can be powered from as little as 500mV

above the output voltage to as much as 13.2V. Superior

load regulation with source and sink capability, coupled

with exceptional line rejection, ensures consistent per-

formance over a wide range of operating conditions. A

shutdown mode is provided for low power applications.

The LTC6655 references are offered in an 8-lead MSOP

package and an 8-lead LS8 package. The LS8 is a 5mm

× 5mm surface mount hermetic package that provides

outstanding stability.

L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Analog

Devices, Inc. All other trademarks are the property of their respective owners.

Typical Application

3V < VIN ≤ 13.2V

Basic Connection

CIN

0.1µF

LTC6655-2.5

VIN

VOUT_F

SHDN

VOUT_S

GND

VOUT

COUT

10µF

6655 TA01a

Low Frequency 0.1Hz to 10Hz Noise (LTC6655-2.5)

500nV/DIV

For more information www.linear.com/LTC6655

1s/DIV

6655 TA01b

6655ff

1

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