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LT1366

Description
Dual and Quad Precision Rail-to-Rail Input and Output Op Amps
File Size374KB,20 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Compare View All

LT1366 Overview

Dual and Quad Precision Rail-to-Rail Input and Output Op Amps

LT1366/LT1367
LT1368/LT1369
Dual and Quad Precision
Rail-to-Rail Input and Output
Op Amps
DescripTion
The LT
®
1366/LT1367/LT1368/LT1369 are dual and quad
bipolar op amps which combine rail-to-rail input and output
operation with precision specifications. These op amps
maintain their characteristics over a supply range of 1.8V
to 36V. Operation is specified for 3V, 5V and ±15V supplies.
Input offset voltage is typically 150µV, with an open-loop
gain A
VOL
of 1 million while driving a 10k load. Common
mode rejection is typically 90dB over the full rail-to-rail
input range, and supply rejection is 110dB.
The LT1366/LT1367 have conventional compensation
which assures stability for capacitive loads of 1000pF or
less. The LT1368/LT1369 have compensation that requires
a 0.1µF output capacitor, which improves the amplifier’s
supply rejection and reduces output impedance at high
frequencies. The output capacitor’s filtering action reduces
high frequency noise, which is beneficial when driving
A/D converters.
The LT1366/LT1368 are available in plastic 8-pin PDIP
and 8-lead SO packages with the standard dual op amp
pinout. The LT1367/LT1369 feature the standard quad
pinout, which is available in a plastic 14-lead SO package.
These devices can be used as plug-in replacements for
many standard op amps to improve input/output range
and precision.
FeaTures
n
n
n
n
n
n
n
n
n
n
n
n
Input Common Mode Range Includes Both Rails
Output Swings Rail-to-Rail
Low Input Offset Voltage: 150µV
High Common Mode Rejection Ratio: 90dB
High A
VOL
: >1V/µV Driving 10k Load
Low Input Bias Current: 10nA
Wide Supply Range: 1.8V to ±15V
Low Supply Current: 375µA per Amplifier
High Output Drive: 30mA
400kHz Gain-Bandwidth Product
Slew Rate: 0.13V/µs
Stable for Capacitive Loads Up to 1000pF
applicaTions
n
n
n
n
Rail-to-Rail Buffer Amplifiers
Low Voltage Signal Processing
Supply Current Sensing at Either Rail
Driving A/D Converters
L,
LT, LTC, LTM, Over-The-Top, Linear Technology and the Linear logo are registered
trademarks and C-Load is a trademark of Linear Technology Corporation. All other trademarks
are the property of their respective owners.
Typical applicaTion
Positive Supply Rail Current Sense
V
CC
R1
200
Output Saturation Voltage vs Load Current
1000
SATURATION VOLTAGE (mV)
V
OUT
– V
S
100
POSITIVE
RAIL
NEGATIVE
RAIL
Rs
0.2
1/2 LT1366
Q1
TP0610L
1/2 LT1366
+
I
LOAD
LOAD
R2
20k
+
V
O
= I
LOAD
• R
S
= I
LOAD
• 20
( )
R2
R1
10
1366 TA01
1
0.001
0.01
0.1
1
LOAD CURRENT (mA)
10
1366 TA02
1366fb


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Description Dual and Quad Precision Rail-to-Rail Input and Output Op Amps Dual and Quad Precision Rail-to-Rail Input and Output Op Amps Dual and Quad Precision Rail-to-Rail Input and Output Op Amps Dual and Quad Precision Rail-to-Rail Input and Output Op Amps Dual and Quad Precision Rail-to-Rail Input and Output Op Amps
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