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LT6375HDF#PBF

产品描述IC OPAMP DIFF 14DFN
产品类别半导体    模拟混合信号IC   
文件大小2MB,共32页
制造商Linear ( ADI )
官网地址http://www.analog.com/cn/index.html
标准
下载文档 详细参数 全文预览

LT6375HDF#PBF概述

IC OPAMP DIFF 14DFN

LT6375HDF#PBF规格参数

参数名称属性值
放大器类型差分
电路数1
输出类型满摆幅
压摆率2.4 V/µs
-3db 带宽575kHz
电压 - 输入失调120µV
电流 - 电源350µA
电流 - 输出/通道28mA
电压 - 电源,单/双(±)3 V ~ 50 V,±1.5V ~ 25 V
工作温度-40°C ~ 125°C
安装类型表面贴装
封装/外壳14-WFDFN 裸露焊盘,12 引线
供应商器件封装14-DFN(4x4)

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LT6375
±270V Common Mode
Voltage Difference Amplifier
FEATURES
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DESCRIPTION
The
LT
®
6375
is a unity-gain difference amplifier which
combines excellent DC precision, a very high input common
mode range and a wide supply voltage range. It includes a
precision op amp and a highly-matched thin film resistor
network. It features excellent CMRR, extremely low gain
error and extremely low gain drift.
Comparing the LT6375 to existing difference amplifiers
with high common mode voltage range, the selectable
resistor divider ratios of the LT6375 offer superior system
performance by allowing the user to achieve maximum
SNR, precision and speed for a specific input common
mode voltage range.
The op amp at the core of the LT6375 has Over-The-Top
®
protected inputs which allow for robust operation in envi-
ronments with unpredictable voltage conditions. See the
Applications Information section for more details.
The LT6375 is specified over the –40°C to 125°C tem-
perature range and is available in space-saving MSOP16
and DFN14 packages.
L,
LT, LTC, LTM, Linear Technology, Over-The-Top and the Linear logo are registered
trademarks of Linear Technology Corporation. All other trademarks are the property of their
respective owners.
±270V Common Mode Voltage Range
97dB Minimum CMRR (LT6375A)
0.0035% (35ppm) Maximum Gain Error (LT6375A)
1ppm/°C Maximum Gain Error Drift
2ppm Maximum Gain Nonlinearity
Wide Supply Voltage Range: 3.3V to 50V
Rail-to-Rail Output
350µA Supply Current
Selectable Internal Resistor Divider Ratio
300µV Maximum Offset Voltage (LT6375A)
575kHz –3dB Bandwidth (Resistor Divider = 7)
375kHz –3dB Bandwidth (Resistor Divider = 20)
–40°C to 125°C Specified Temperature Range
Low Power Shutdown: 20μA (DFN Package Only)
Space-Saving MSOP and DFN Packages
High Side or Low Side Current Sensing
Bidirectional Wide Common Mode Range Current Sensing
High Voltage to Low Voltage Level Translation
Precision Difference Amplifier
Industrial Data-Acquisition Front-Ends
Replacement for Isolation Circuits
APPLICATIONS
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TYPICAL APPLICATION
Precision Wide Voltage Range, Bidirectional Current Monitor
15V
–REFA
19k
V
SOURCE+
= –270V TO 270V
–IN
10Ω
Typical Distribution of CMRR
200
180
160
NUMBER OF UNITS
140
120
100
80
60
40
20
1248 UNITS
FROM 4 RUNS
V
S
= ±15V
V
IN
= ±270V
DIV = 25
–REFB
38k
–REFC
23.75k
190k
V
+
190k
R
SENSE
+
10Ω
R
C
OUT
+IN
190k
V
OUT
= ±10mV/mA
LOAD
19k
+REFA
38k
+REFB
23.75k
+REFC
190k
SHDN
V
–15V
REF
6375 TA01a
0
–40 –30 –20 –10 0
10 20
CMRR (µV/V = ppm)
30
40
6375 TA01b
6375fa
For more information
www.linear.com/LT6375
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