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LT1885

Description
QUAD OP-AMP, 150 uV OFFSET-MAX, 2.2 MHz BAND WIDTH, PDSO14
Categorysemiconductor    Analog mixed-signal IC   
File Size183KB,12 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric View All

LT1885 Overview

QUAD OP-AMP, 150 uV OFFSET-MAX, 2.2 MHz BAND WIDTH, PDSO14

LT1885 Parametric

Parameter NameAttribute value
Number of functions4
Number of terminals14
Maximum supply/operating voltage20 V
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Rated supply voltage15 V
Maximum negative supply voltage-20 V
Rated negative supply voltage-15 V
Rated bandwidth2.2 kHz
Rated rotation rate1 V/us
Maximum input offset voltage150 mV
Processing package description0.150 INCH, PLASTIC, SOP-14
stateACTIVE
packaging shapeRECTANGULAR
Package SizeSMALL OUTLINE
surface mountYes
Terminal formGULL WING
Terminal spacing1.27 mm
terminal coatingTIN LEAD
Terminal locationDUAL
Packaging MaterialsPLASTIC/EPOXY
Temperature levelINDUSTRIAL
Amplifier typeOP-AMP
Rated common mode rejection ratio130 dB
Maximum input bias current IIB0.0014 uA
LT1884/LT1885
Dual/Quad Rail-to-Rail
Output, Picoamp Input
Precision Op Amps
FEATURES
s
s
s
s
s
s
s
s
s
DESCRIPTIO
Offset Voltage: 50µV Max (LT1884A)
Input Bias Current: 400pA Max (LT1884A)
Offset Voltage Drift: 0.8µV/°C Max
Rail-to-Rail Output Swing
Operates with Single or Split Supplies
Open-Loop Voltage Gain: 1 Million Min
1mA Maximum Supply Current Per Amplifier
Slew Rate: 1V/µs
Standard Pinouts
The LT
®
1884/LT1885 op amps bring high accuracy input
performance to amplifiers with rail-to-rail output swing
while providing faster response than other precision am-
plifiers. Input offset voltage is trimmed to less than 50µV
and the low drift maintains this accuracy over the operat-
ing temperature range. Input bias currents are an ultralow
400pA maximum.
The amplifiers work on any total power supply voltage
between 2.7V and 36V (fully specified from 5V to
±15V).
Output voltage swings to within 40mV of the negative
supply and 220mV of the positive supply make these
amplifiers good choices for low voltage single supply
operation.
Slew rates of 1V/µs with a supply current of less than 1mA
per amplifier give superior response and settling time
performance in a low power precision amplifier.
The dual LT1884 is available with standard pinouts in
8-pin SO and PDIP packages. The quad LT1885 is also in
the standard pinout 14-pin SO package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
s
s
s
s
s
s
s
Thermocouple Amplifiers
Bridge Transducer Conditioners
Instrumentation Amplifiers
Battery-Powered Systems
Photo Current Amplifiers
Precision Integrators
Precision Current Sources
TYPICAL APPLICATIO
–IN
Input Fault Protected Instrumentation Amplifier
1M
10pF
3
+
1/4 LT1885
10k
10k
R
G/2
10k
1/4 LT1885
OUT
+
GUARD
1/4 LT1885
R
G/2
10k
+
GAIN =
10k
9.76k
500Ω
TRIM FIRST
FOR DC CMRR
1884 TA01
1M
+IN
22pF
TRIM FOR
AC CMRR
1/4 LT1885
5
+
U
2•10k
R
G
U
U
1
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