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LMP7721MA/NOPB

更新时间： 2024-11-05 01:11:39
品牌 Logo 应用领域
德州仪器 - TI 放大器光电二极管
页数 文件大小 规格书
32页 980K
描述
3-Femtoampere Input Bias Current Precision Amplifier

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中文翻译

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LMP7721MA/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：GREEN, PLASTIC, MS-012AA, SOIC-8针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01Factory Lead Time：1 week
风险等级：1.14放大器类型：OPERATIONAL AMPLIFIER
架构：VOLTAGE-FEEDBACK最大平均偏置电流 (IIB)：2e-8 µA
25C 时的最大偏置电流 (IIB)：2e-8 µA最小共模抑制比：84 dB
标称共模抑制比：100 dB频率补偿：YES
最大输入失调电流 (IIO)：4e-8 µA最大输入失调电压：150 µV
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：4.9 mm低-偏置：YES
低-失调：YES微功率：NO
湿度敏感等级：1功能数量：1
端子数量：8最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP8,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
包装方法：TUBE峰值回流温度（摄氏度）：260
功率：NO电源：2/5 V
可编程功率：NO认证状态：Not Qualified
座面最大高度：1.75 mm最小摆率：9.3 V/us
标称压摆率：10.5 V/us子类别：Operational Amplifier
最大压摆率：1.7 mA供电电压上限：6 V
标称供电电压 (Vsup)：2.5 V表面贴装：YES
温度等级：AUTOMOTIVE端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
标称均一增益带宽：17000 kHz最小电压增益：12600
宽带：NO宽度：3.91 mm
Base Number Matches：1

LMP7721MA/NOPB 数据手册

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Sample &  
Buy  
Support &  
Community  
Product  
Folder  
Tools &  
Software  
Technical  
Documents  
LMP7721  
SNOSAW6E –JANUARY 2008–REVISED DECEMBER 2014  
LMP7721 3-Femtoampere Input Bias Current Precision Amplifier  
1 Features  
3 Description  
The LMP7721 is the industry’s lowest specified input  
1
•
Unless Otherwise Noted, Typical Values at TA =  
25°C, VS = 5 V.  
bias current precision amplifier. The ultra-low input  
bias current is 3 fA, with a specified limit of ±20 fA at  
25°C and ±900 fA at 85°C. This is achieved with the  
latest patent-pending technology of input bias current  
cancellation amplifier circuitry. This technology also  
maintains the ultra-low input bias current over the  
entire input common-mode voltage range of the  
amplifier.  
•
Input Bias Current (VCM = 1 V)  
–
–
Maximum at 25°C ±20 fA  
Maximum at 85°C ±900 fA  
•
•
•
•
•
•
•
•
•
•
•
•
Offset Voltage ±26 µV  
Offset Voltage Drift −1.5 μV/°C  
DC Open-Loop Gain 120 dB  
DC CMRR 100 dB  
Other outstanding features, such as low voltage noise  
(6.5 nV/√Hz), low DC-offset voltage (±150 µV  
maximum at 25°C) and low-offset voltage  
temperature coefficient (−1.5 µV/°C), improve system  
Input Voltage Noise (at f = 1 kHz) 6.5 nV/√Hz  
THD 0.0007%  
sensitivity  
and  
accuracy  
in  
high-precision  
Supply Current 1.3 mA  
applications. With a supply voltage range of 1.8 V to  
5.5 V, the LMP7721 is the ideal choice for battery-  
operated, portable applications. The LMP7721 is part  
of the LMP™ precision amplifier family.  
GBW 17 MHz  
Slew Rate (Falling Edge) 12.76 V/μs  
Supply Voltage 1.8 V to 5.5 V  
Operating Temperature Range −40°C to 125°C  
8-Pin SOIC  
As part of Texas Instruments' PowerWise™ products,  
the LMP7721 provides the remarkably wide-gain  
bandwidth product (GBW) of 17 MHz while  
consuming only 1.3 mA of current. This wide GBW  
along with the high open-loop gain of 120 dB enables  
2 Applications  
accurate  
signal  
conditioning.  
With  
these  
•
•
•
•
•
•
Photodiode Amplifier  
specifications, the LMP7721 has the performance to  
excel in a wide variety of applications such as  
electrochemical cell amplifiers and sensor interface  
circuits.  
High Impedance Sensor Amplifier  
Ion Chamber Amplifier  
Electrometer Amplifier  
pH Electrode Amplifier  
Transimpedance Amplifier  
The LMP7721 is offered in an 8-pin SOIC package  
with a special pinout that isolates the amplifier’s input  
from the power supply and output pins. With proper  
board layout techniques, the unique pinout of the  
LMP7721 will prevent PCB leakage current from  
reaching the input pins. Thus system error will be  
further reduced.  
Ultra-Low Input Bias Current  
5
0
Device Information(1)  
-5  
PART NUMBER  
PACKAGE  
BODY SIZE (NOM)  
LMP7721  
SOIC (8)  
4.90 mm × 3.90 mm  
-10  
(1) For all available packages, see the orderable addendum at  
the end of the datasheet.  
+
V
V
5V  
=
-15  
-20  
-
= 0V  
T
= 25°C  
A
0
0.5  
1
1.5  
2
2.5  
3
3.5  
V
CM  
(V)  
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,  
intellectual property matters and other important disclaimers. PRODUCTION DATA.  
 
 
 
 
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中文翻译

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LMP7721MA/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LMP7721MAX/NOPB TI

完全替代

 3-Femtoampere Input Bias Current Precision Amplifier
AD8641ARZ ADI

功能相似

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