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LT6658BHMSE-1.2#TRPBF

Description
Reference voltage Low Noise, High Current, Precision Reference
Categorysemiconductor    Power management IC    The reference voltage   
File Size7MB,45 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
Download Datasheet Parametric View All

LT6658BHMSE-1.2#TRPBF Overview

Reference voltage Low Noise, High Current, Precision Reference

LT6658BHMSE-1.2#TRPBF Parametric

Parameter NameAttribute value
MakerADI
Product CategoryReference voltage
Installation styleSMD/SMT
Package/boxMSOP-16
Reference typeSeries Precision References
The output voltage1.2 V
initial accuracy0.1 %
Temperature Coefficient20 PPM/C
Series VREF—Input Voltage—Max.36 V
Maximum operating temperature+ 125 C
Minimum operating temperature- 40 C
seriesLT6658
EncapsulationCut Tape
EncapsulationReel
closureShutdown
Supply current—max.3.2 mA
Working power current2 mA
Factory packaging quantity2500
LT6658
Precision Dual Output, High Current,
Low Noise, Voltage Reference
FEATURES
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DESCRIPTION
The
LT
®
6658
is a family of precision dual output references
combining the performance of a precision voltage refer-
ence and a linear regulator that we call the Refulator™.
Both outputs are ideal for driving the reference inputs of
high resolution ADCs and DACs, even with heavy load-
ing, while simultaneously powering microcontrollers and
other circuitry. Both outputs have the same precision
specifications and track each other over temperature and
load. Each output can be configured with external resis-
tors to give an output voltage up to 6V.
Using Kelvin connections, the LT6658 typically has
0.1ppm/mA load regulation with up to 150mA load cur-
rent. A noise reduction pin is available to band-limit and
lower the total integrated noise.
Separate supply pins are provided for each output, provid-
ing an option to reduce power consumption and isolate
the buffer amplifiers. The outputs have excellent supply
rejection and are stable with 1µF to 50µF capacitors.
The LT6658 is available in a 16-lead MSOP and DFN with
an exposed pad for thermal management. Short circuit
and thermal protection help to prevent thermal overstress.
All registered trademarks and trademarks are the property of their respective owners.
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Dual Output Tracking Reference
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Each Output Configurable to 6V
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Output 1: 150mA Source/20mA Sink
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Output 2: 50mA Source/20mA Sink
Low Drift:
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A-Grade: 10ppm/°C Max
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B-Grade: 20ppm/°C Max
High Accuracy:
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A-Grade: ±0.05% Max
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B-Grade: ±0.1% Max
Low Noise: 1.5ppm
P-P
(0.1Hz to 10Hz)
Wide Operating Voltage Range to 36V
Load Regulation: 0.25µV/mA
AC PSRR: 96dB at 10kHz
Kelvin Sense Connection on Outputs
Thermal Shutdown
Separate Supply Pins for Each Output
Available Output Voltage Options: 1.2V, 1.8V, 2.5V, 3V,
3.3V, 5V. All Options are Adjustable
Available in Exposed Pad Package MSE16 and
4mm × 3mm DFN
APPLICATIONS
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Microcontroller or FPGA with ADC/DAC Applications
Data Acquisition Systems
Automotive Control and Monitoring
Precision Low Noise Regulators
Instrumentation and Process Control
TYPICAL APPLICATION
Precision Dual Output 2.5V Reference and Supply
V
IN1
V
IN2
V
IN
5V TO 36V
V
IN
OD
0.1µF
BYPASS
1µF
GND
LT6658-2.5
V
OUT1_F
V
OUT1_S
R
LOAD1
V
OUT1
2.5V
150mA
1µF
6658 TA01a
Output Voltage Temperature Drift Both Outputs
2.502
V
OUT2_S
R
LOAD2
1µF
OUTPUT VOLTAGE (V)
V
OUT2_F
V
OUT2
2.5V
50mA
2.501
2.500
2.499
I
LOAD1
= 150mA
V
OUT1
V
OUT2
0
25 50 75 100 125 150
TEMPERATURE (°C)
6658 TA01b
2.498
–50 –25
Rev. C
Document Feedback
For more information
www.analog.com
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