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LTC2053 Datasheet(PDF) 1 Page - Linear Technology

Part No. LTC2053
Description  Precision, Rail-to-Rail Input and Output, Zero-Drift Instrumentation Amplifier with Resistor-Programmable Gain
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LTC2053 Datasheet(HTML) 1 Page - Linear Technology

 
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LTC2053
1
2053fa
FEATURES
DESCRIPTIO
APPLICATIO S
TYPICAL APPLICATIO
The LTC
®2053 is a high precision instrumentation ampli-
fier. The CMRR is typically 116dB with a single or dual 5V
supply and is independent of gain. The input offset voltage
is guaranteed below 10
µV with a temperature drift of less
than 50nV/
°C. The LTC2053 is easy to use; the gain is
adjustable with two external resistors, like a traditional
op amp.
The LTC2053 uses charge balanced sampled data tech-
niques to convert a differential input voltage into a single
ended signal that is in turn amplified by a zero-drift
operational amplifier.
The differential inputs operate from rail-to-rail and the
single ended output swings from rail-to-rail. The LTC2053
can be used in single supply applications, as low as 2.7V.
It can also be used with dual
±5.5V supplies. The LTC2053
is available in an MS8 surface mount package. For space
limited applications, the LTC2053 is available in a
3mm
× 3mm × 0.8mm dual fine pitch leadless package
(DFN).
s
Thermocouple Amplifiers
s
Electronic Scales
s
Medical Instrumentation
s
Strain Gauge Amplifiers
s
High Resolution Data Acquisition
, LTC and LT are registered trademarks of Linear Technology Corporation.
s
116dB CMRR Independent of Gain
s
Maximum Offset Voltage: 10
µV
s
Maximum Offset Voltage Drift: 50nV/
°C
s
Rail-to-Rail Input
s
Rail-to-Rail Output
s
2-Resistor Programmable Gain
s
Supply Operation: 2.7V to
±5.5V
s
Typical Noise: 2.5
µVP-P (0.01Hz to 10Hz)
s
Typical Supply Current: 750
µA
s
Available in an MS8 and 3mm
× 3mm × 0.8mm
DFN Packages
Precision, Rail-to-Rail
Input and Output, Zero-Drift Instrumentation
Amplifier with Resistor-Programmable Gain
+
LTC2053
2
3
7
8
0.1
µF
3V
R < 10k
1, 4
5
6
R2 10k
2053 TA01
OUT
0.1
µF
R1
10
GAIN = 1+
R2
R1
Differential Bridge Amplifier
Typical Input Referred Offset vs Input
Common Mode Voltage (VS = 3V)
INPUT COMMON MODE VOLTAGE (V)
0
15
10
5
0
–5
–10
–15
0.5
1.0
1.5
2.0
2053 G01
2.5
3.0
VS = 3V
VREF = 0V
TA = 25°C
G = 1000
G = 100
G = 10
G = 1


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