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ISL28617FVZ-T7

更新时间： 2024-11-04 20:43:23
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瑞萨 - RENESAS 放大器
页数 文件大小 规格书
19页 923K
描述
40V Precision Instrumentation Amplifier with Differential ADC Driver; TSSOP24; Temp Range: -40° to 125°C

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ISL28617FVZ-T7 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：TSSOP包装说明：,
针数：24Reach Compliance Code：compliant
风险等级：5.84放大器类型：INSTRUMENTATION AMPLIFIER
JESD-609代码：e3湿度敏感等级：2
子类别：Instrumentation Amplifier端子面层：Matte Tin (Sn) - annealed
Base Number Matches：1

ISL28617FVZ-T7 数据手册

 浏览型号ISL28617FVZ-T7的Datasheet PDF文件第2页浏览型号ISL28617FVZ-T7的Datasheet PDF文件第3页浏览型号ISL28617FVZ-T7的Datasheet PDF文件第4页浏览型号ISL28617FVZ-T7的Datasheet PDF文件第5页浏览型号ISL28617FVZ-T7的Datasheet PDF文件第6页浏览型号ISL28617FVZ-T7的Datasheet PDF文件第7页 
40V Precision Instrumentation Amplifier with  
Differential ADC Driver  
ISL28617  
Features  
The ISL28617 is a high performance, differential input, differential  
output instrumentation amplifier designed for precision  
analog-to-digital applications. It can operate over a supply range of 8V  
(±4V) to 40V (±20V) and features a differential input voltage range  
up to ±34V. The output stage has rail-to-rail output drive capability  
optimized for differential ADC driver applications. Its versatility and  
small package makes it suitable for a variety of general purpose  
applications. Additional features not found in other instrumentation  
amplifiers enable high levels of DC precision and excellent AC  
performance.  
• Rail-to-rail differential output ADC driver  
• High voltage interface to low voltage circuits  
• Wide operating voltage range . . . . . . . . . . . . . . . ±4V to ±20V  
• Low input offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30µV  
• Excellent CMRR and PSRR . . . . . . . . . . . . . . . . . . . . . . . 120dB  
• Closed loop -3dB BW . . .0.3MHz (AV = 1k) to 5MHz (AV = 0.1)  
• Operating temperature range. . . . . . . . . . . .-40°C to +125°C  
• Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Ld TSSOP  
The gain of the ISL28617 can be programmed from 0.1 to  
10,000 via two external resistors, RIN and RFB. The gain accuracy  
is determined by the matching of RIN and RFB. The gain resistors  
have Kelvin sensing, which removes gain error due to PC trace  
resistance. The input and output stages have individual power  
supply pins, which enable input signals riding on a high common  
mode voltage to be level shifted to a low voltage device, such as  
an A/D converter. The rail-to-rail output stage can be powered  
from the same supplies as the ADC, which preserves the ADC  
maximum input dynamic range and eliminates ADC input  
overdrive.  
Applications  
• Precision test and measurement  
• High voltage industrial process control  
• Signal conditioning amplifier for remote powered sensors  
• Weigh scales  
• ECG and biomedical sense amplifiers  
140  
120  
100  
80  
The ISL28617 is offered in the 24 Ld TSSOP package, and is  
guaranteed over -40°C to +125°C operation.  
A
= 1000  
= 100  
= 10  
V
60  
40  
20  
0
Related Literature  
• AN1753, “ISL28617VYXXEV1Z User’s Guide” Evaluation board  
with bulk metal foil resistors for high precision. See application  
note for gain options and ordering information.  
A
V
A
V
A
= 1  
V
A
= 0.1  
V
1
10  
100  
1k  
10k  
100k  
1M  
• AN1748, “ISL28617SMXXEV1Z User’s Guide” Evaluation board  
with standard resistors for low cost, medium precision. See  
application note for gain options and ordering information.  
FREQUENCY(Hz)  
FIGURE 1. CMRR RF = 121k  
FULL BRIDGE STRAIN GAUGE AMPLIFIER AND DIFFERENTIAL ADC DRIVER  
IN+  
VCC  
+RIN  
+5V  
SENSE  
+RIN  
VCO  
TO  
R
IN  
V
DD  
A-D  
CONVERTER  
+20V  
+VFB  
R
R
-R  
IN SENSE  
+VOUT  
+IN  
-IN  
-RIN  
BRIDGE  
EXCITATION  
C
ISL28617  
+RFB  
+RFB  
-VOUT  
SENSE  
ISL26132  
-VFB  
-5V  
TO  
-20V  
VCMO  
R
FB  
V
REF  
+5V  
GND  
VEO  
-RFB  
-RFB  
SENSE  
VEE  
GND  
V
REF  
IN-  
ISL21090  
AV = RFB/RIN RANGE FROM 0.1 TO 10,000  
FIGURE 2. BASIC APPLICATION CIRCUIT  
October 17, 2013  
FN6562.1  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2012, 2013. All Rights Reserved  
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.  
All other trademarks mentioned are the property of their respective owners.  
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