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LTC2055CMS8#TRPBF

Description
Op Amp Dual Auto Zero/Chopper R-R O/P 6V 8-Pin MSOP T/R
File Size204KB,16 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LTC2055CMS8#TRPBF Overview

Op Amp Dual Auto Zero/Chopper R-R O/P 6V 8-Pin MSOP T/R

LTC2055CMS8#TRPBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
TypeAuto Zero/Chopper
Manufacturer TypeZero Drift Amplifier
Number of Channels per Chip2
Rail to RailRail to Rail Output
Maximum Input Offset Voltage (mV)0.003@5V
Minimum Single Supply Voltage (V)2
Typical Single Supply Voltage (V)3|5
Maximum Single Supply Voltage (V)6
Typical Low Level Output Voltage (V)0.02
Typical High Level Output Voltage (V)4.89
Maximum Input Offset Current (uA)0.0003@5V@0C to 70C
Typical Input Bias Current (uA)0.000001@5V
Maximum Input Bias Current (uA)0.00015@5V@0C to 70C
Maximum Quiescent Current (mA)0.3@5V@0C to 70C
Power Supply TypeSingle
Typical Slew Rate (V/us)0.5@5V
Input Offset Voltage Drift (uV/°C)±0.03
Typical Voltage Gain (dB)140
Minimum PSRR (dB)120
Minimum CMRR (dB)120
Minimum CMRR Range (dB)>=115
Typical Gain Bandwidth Product (MHz)0.5
Shut Down SupportNo
Minimum Operating Temperature (°C)0
Maximum Operating Temperature (°C)70
Supplier Temperature GradeCommercial
PackagingTape and Reel
Pin Count8
Standard Package NameSOP
Supplier PackageMSOP
MountingSurface Mount
Package Height0.86
Package Length3
Package Width3
PCB changed8
Lead ShapeGull-wing
FEATURES
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n
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LTC2054/LTC2055
Single/Dual Micropower
Zero-Drift Operational Amplifiers
DESCRIPTION
The LTC
®
2054/LTC2055 are low power, low noise, single/
dual, zero-drift operational amplifiers with an extended
temperature version (LTC2054MP) that has guaranteed
specifications from –55°C to 150°C. They are available
in TSOT-23 (ThinSOT™) and MS8 packages. For space
limited applications, the LTC2055 is also available in a
3mm
×
3mm
×
0.8mm dual fine pitch leadless package
(DFN). They operate from a single 2.7V minimum supply
and support ± 5V applications. The current consumption
is typically 150μA for the LTC2054 and 130μA/amp for
the LTC2055.
The LTC2054/LTC2055, despite their miniature size, feature
uncompromising DC performance. The maximum input
offset voltage and offset drift are 3.0μV and 30nV/°C over
the –40°C to 85°C industrial temperature range. The almost
zero DC offset and drift are supported with a power supply
rejection ratio (PSRR) and common mode rejection ratio
(CMRR) of 130dB (typ).
The input common mode voltage ranges from the negative
supply up to typically 0.5V below the positive supply. The
open-loop gain is typically 140dB. The LTC2054/LTC2055
also feature a 1.6μV
P-P
DC to 10Hz noise and a 500kHz
gain-bandwidth product.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
n
Supply Current 150μA (Max per Amplifier)
Guaranteed from –40°C to 85°C
Offset Voltage 3μV (Max, –40°C to 85°C)
Offset Voltage Drift 30nV/°C (Max, –40°C to 85°C)
Guaranteed Specifications from –55°C to 150°C
(LTC2054MP)
Common Mode Input Range from V
to V
+
– 0.5V
Output Swings Rail-to-Rail
Voltage Gain: 140dB (Typ)
PSRR and CMRR: 130dB (Typ)
Input Bias Current: 1pA (Typ, 25°C)
Noise: 1.6μV
P-P
(0.01Hz to 10Hz Typ)
Supply Operation:
2.7V to 6V (LTC2054/LTC2055)
2.7V to ±5.5V (LTC2054HV/LTC2055HV)
Low Profile (1mm) TSOT-23, MS8 and
3mm
×
3mm
×
0.8mm DFN Packages
APPLICATIONS
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Thermocouple Amplifiers
Electronic Scales
Medical Instrumentation
Strain Gauge Amplifiers
High Resolution Data Acquisition
DC Accurate RC Active Filters
Low Side Current Sense
Battery-Powered Systems
TYPICAL APPLICATION
–48V Low Side Precision Current Sense
10
Q1
ZETEX
ZVN3320F
100Ω
1%
39k
0.1μF
5V
V
OS
(μV)
10k
1%
8
6
4
2
0
–2
–4
–6
–8
V
OS
vs Temperature
V
S
= ±5V
LTC2054
0.01μF
LTC2054
V
OUT
= 100V
SENSE
+
0.1μF
+
BZX84C5V1
V
Z
= 5.1
–48V SUPPLY
100Ω
0.003Ω
1% 3W
I
SENSE
, V
SENSE
+
20545 TA01
–48V LOAD
–10
–55
–20
15
50
85
120
155
TEMPERATURE (°C)
20545 TA01b
20545fc
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