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LTC2053CMS8-SYNC#PBF 用户编程技术手册 - Linear Technology（凌力尔特）
制造商:
Linear Technology（凌力尔特）
分类:
仪表放大器
封装:
MSOP-8
描述:
LINEAR TECHNOLOGY LTC2053CMS8-SYNC#PBF 仪器放大器, 1个放大器, 20 µV, 0.2 V/µs, 200 kHz, 2.7V 至 ± 5.5V, MSOP
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LTC2053CMS8-SYNC#PBF数据手册
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LTC2053/LTC2053-SYNC
1
2053syncfc
Typical applicaTion
FeaTures DescripTion
Precision, Rail-to-Rail,
Zero-Drift, Resistor-Programmable
Instrumentation Amplifier
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 10µV 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 op-
erational 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
requires no external clock, while the LTC2053-SYNC has
a CLK pin to synchronize to an external clock.
The LTC2053 is available in an MS8 surface mount pack-
age. For space limited applications, the LTC2053 is avail-
able in a 3mm × 3mm × 0.8mm dual fine pitch leadless
package (DFN).
Typical Input Referred Offset vs Input
Common Mode Voltage (V
S
= 3V)
applicaTions
n
116dB CMRR Independent of Gain
n
Maximum Offset Voltage: 10µV
n
Maximum Offset Voltage Drift: 50nV/°C
n
Rail-to-Rail Input
n
Rail-to-Rail Output
n
2-Resistor Programmable Gain
n
Supply Operation: 2.7V to ±5.5V
n
Typical Noise: 2.5µV
P-P
(0.01Hz to 10Hz)
n
Typical Supply Current: 750µA
n
LTC2053-SYNC Allows Synchronization to
External Clock
n
Available in MS8 and 3mm × 3mm × 0.8mm
DFN Packages
n
Thermocouple Amplifiers
n
Electronic Scales
n
Medical Instrumentation
n
Strain Gauge Amplifiers
n
High Resolution Data Acquisition
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.
Differential Bridge Amplifier
+
–
LTC2053
2
3
7
8
0.1µF
3V
R < 10k
1, 4
5
6
R2 10k
2053 TA01
OUT
0.1µF
R1
10Ω
GAIN = 1+
R2
R1
INPUT COMMON MODE VOLTAGE (V)
0
INPUT OFFSET VOLTAGE (µV)
15
10
5
0
–5
–10
–15
0.5
1.0 1.5 2.0
2053 TA01b
2.5 3.0
V
S
= 3V
V
REF
= 0V
T
A
= 25°C
G = 1000
G = 100
G = 10
G = 1
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