LTC2053/LTC2053-SYNC
Precision, Rail-to-Rail,
Zero-Drift, Resistor-Programmable
Instrumentation Amplifier
Fea T Descrip T
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116dB CMRR Independent of Gain The LTC 2053 is a high precision instrumentation ampli-
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Maximum Offset Voltage: 10V fier. The CMRR is typically 116dB with a single or dual
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Maximum Offset Voltage Drift: 50nV/C 5V supply and is independent of gain. The input offset
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Rail-to-Rail Input voltage is guaranteed below 10V with a temperature
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Rail-to-Rail Output drift of less than 50nV/C. The LTC2053 is easy to use;
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2-Resistor Programmable Gain the gain is adjustable with two external resistors, like a
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Supply Operation: 2.7V to 5.5V traditional op amp.
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Typical Noise: 2.5V (0.01Hz to 10Hz)
P-P
The LTC2053 uses charge balanced sampled data tech-
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Typical Supply Current: 750A
niques to convert a differential input voltage into a single
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LTC2053-SYNC Allows Synchronization to
ended signal that is in turn amplified by a zero-drift op-
External Clock
erational amplifier.
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Available in MS8 and 3mm 3mm 0.8mm
The differential inputs operate from rail-to-rail and the
DFN Packages
single-ended output swings from rail-to-rail. The LTC2053
can be used in single-supply applications, as low as 2.7V.
a T
It can also be used with dual 5.5V supplies. The LTC2053
requires no external clock, while the LTC2053-SYNC has
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Thermocouple Amplifiers
a CLK pin to synchronize to an external clock.
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Electronic Scales
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Medical Instrumentation
The LTC2053 is available in an MS8 surface mount pack-
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Strain Gauge Amplifiers
age. For space limited applications, the LTC2053 is avail-
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High Resolution Data Acquisition
able in a 3mm 3mm 0.8mm dual fine pitch leadless
package (DFN).
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
Typical a T Typical Input Referred Offset vs Input
Common Mode Voltage (V = 3V)
S
Differential Bridge Amplifier
15
3V
V = 3V
S
V = 0V
REF
0.1F
T = 25C
10 A
R < 10k
8
2 5
7
OUT
LTC2053
0
3 G = 1000
6
+
G = 100
5 R2 10k
5
1, 4
R2
G = 10
GAIN = 1+
R1
10
0.1F
G = 1
R1
15
10
0 0.5 1.0 1.5 2.0 2.5 3.0
2053 TA01
INPUT COMMON MODE VOLTAGE (V)
2053 TA01b
2053syncfd
1
For more information www.linear.com/LTC2053
INPUT OFFSET VOLTAGE (V)
ion pplica
ions pplica
ion uresLTC2053/LTC2053-SYNC
(Note 1)
a T e Maxi Mu M r a T
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Total Supply Voltage (V to V ) ................................. 11V Storage Temperature Range
Input Current ........................................................ 10mA MS8 Package ..................................... 65C to 150C
|V V | ...........................................................5.5V DD Package ....................................... 65C to 125C
IN REF
|V V | ............................................................5.5V Lead Temperature (Soldering, 10 sec) ...................300C
+
IN REF
Output Short-Circuit Duration .......................... Indefinite
Operating Temperature Range
LTC2053C, LTC2053C-SYNC ................... 0C to 70C
LTC2053I, LTC2053I-SYNC ..................40C to 85C
LTC2053H .......................................... 40C to 125C
p c F T
TOP VIEW
+
TOP VIEW
EN 1 8 V
+
EN/CLK 1 8 V
IN 2 7 OUT
9
IN 2 7 OUT
+IN 3 6 RG
+IN 3 6 RG
V REF V 4 5 REF
4 5
MS8 PACKAGE
8-LEAD PLASTIC MSOP
DD PACKAGE
8-LEAD (3mm 3mm) PLASTIC DFN T = 150C, = 200C/W
JMAX JA
PIN 1 IS EN ON LTC2053, CLK ON LTC2053-SYNC
T = 125C, = 160C/W
JMAX JA
, UNDERSIDE METAL INTERNALLY CONNECTED TO V
(PCB CONNECTION OPTIONAL)
o r D i n F Ma T
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2053CDD#PBF LTC2053CDD#TRPBF LAEQ 8-Lead (3mm 3mm) Plastic DFN 0C to 70C
LTC2053IDD#PBF LTC2053IDD#TRPBF LAEQ 8-Lead (3mm 3mm) Plastic DFN 40C to 85C
LTC2053HDD#PBF LTC2053HDD#TRPBF LAEQ 8-Lead (3mm 3mm) Plastic DFN 40C to 125C
LTC2053CMS8#PBF LTC2053CMS8#TRPBF LTVT 8-Lead Plastic MSOP 0C to 70C
LTC2053IMS8#PBF LTC2053IMS8#TRPBF LTJY 8-Lead Plastic MSOP 40C to 85C
LTC2053HMS8#PBF LTC2053HMS8#TRPBF LTAFB 8-Lead Plastic MSOP 40C to 125C
LTC2053CMS8-SYNC#PBF LTC2053CMS8-SYNC#TRPBF LTBNP 8-Lead Plastic MSOP 0C to 70C
LTC2053IMS8-SYNC#PBF LTC2053IMS8-SYNC#TRPBF LTBNP 8-Lead Plastic MSOP 40C to 85C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to: