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LTC6655CHMS8-4.096PBF

Description
0.25ppm Noise, Low Drift Precision Buffered Reference Family
File Size497KB,22 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet View All

LTC6655CHMS8-4.096PBF Overview

0.25ppm Noise, Low Drift Precision Buffered Reference Family

LTC6655
0.25ppm Noise, Low Drift
Precision Buffered
Reference Family
FeaTures
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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 instrumenta-
tion 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 automotive 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.
Available in a small MSOP package, the LTC6655 family
of references is an excellent choice for demanding preci-
sion applications.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
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Low Noise: 0.25ppm
P-P
(0.1Hz to 10Hz)
625nV
P-P
for the LTC6655-2.5
Low Drift: 2ppm/°C Max
High Accuracy: ±0.025% Max
Fully Specified from –40°C to 125°C
100% Tested at –40°C, 25°C and 125°C
Load Regulation: <10ppm/mA
Sinks and Sources Current: ±5mA
Low Dropout: 500mV
Maximum Supply Voltage: 13.2V
Low Power Shutdown: <20µA Max
Available Output Voltages: 1.25V, 2.048V, 2.5V, 3V,
3.3V, 4.096V, 5V
Available in an 8-Lead MSOP Package
applicaTions
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Instrumentation and Test Equipment
High Resolution Data Acquisition Systems
Weigh Scales
Precision Battery Monitors
High Temperature Applications
Precision Regulators
Medical Equipment
High Output Current Precision Reference
Typical applicaTion
Low Frequency 0.1Hz to 10Hz Noise (LTC6655-2.5)
Basic Connection
LTC6655-2.5
3V < V
IN
≤ 13.2V
C
IN
0.1µF
V
IN
SHDN
GND
V
OUT_F
V
OUT_S
V
OUT
C
OUT
10µF
6655 TA01a
500nV/DIV
1s/DIV
6655 TA01b
6655fa

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