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LMP8480ASQDGKRQ1

更新时间： 2024-11-05 11:10:27
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
31页 2661K
描述
AEC-Q100、4V 至 76V 电流感应放大器 | DGK | 8 | -40 to 125

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LMP8480ASQDGKRQ1 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：TSSOP,
Reach Compliance Code：compliantECCN代码：EAR99
Factory Lead Time：1 week风险等级：1.75
放大器类型：OPERATIONAL AMPLIFIER最大平均偏置电流 (IIB)：12 µA
最大共模电压：76 V最小共模抑制比：100 dB
标称共模抑制比：124 dB最大输入失调电压：900 µV
JESD-30 代码：R-PDSO-G8JESD-609代码：e3
长度：3 mm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：TSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
筛选级别：AEC-Q100座面最大高度：1.1 mm
标称压摆率：1 V/us子类别：Operational Amplifier
供电电压上限：85 V标称供电电压 (Vsup)：16 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：0.65 mm端子位置：DUAL
宽度：3 mmBase Number Matches：1

LMP8480ASQDGKRQ1 数据手册

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Support &  
Community  
Product  
Folder  
Order  
Now  
Tools &  
Software  
Technical  
Documents  
LMP8480-Q1, LMP8481-Q1  
SNVSAL6A –JULY 2016–REVISED FEBRUARY 2017  
LMP848x-Q1 Automotive, 76-V, High-Side, High-Speed, Current-Sense Amplifier  
1 Features  
3 Description  
The  
LMP8481-Q1 devices are precision, high-side,  
current-sense amplifiers that amplify small  
automotive-qualified  
LMP8480-Q1  
and  
1
•
Qualified for Automotive Applications  
•
AEC-Q100 Qualified With the Following Results:  
a
–
Device Temperature Grade 1: –40°C to 125°C  
Ambient Operating Temperature  
differential voltage developed across a current-sense  
resistor in the presence of high input common-mode  
voltages. These amplifiers are designed for  
–
–
Device HBM ESD Classification Level 2  
Device CDM ESD Classification Level C6  
bidirectional  
(LMP8481-Q1)  
or  
unidirectional  
(LMP8480-Q1) current applications and accept input  
signals with a common-mode voltage range from 4 V  
to 76 V with a bandwidth of 270 kHz. Because the  
operating power-supply range overlaps the input  
common-mode voltage range, the LMP848x-Q1 can  
be powered by the same voltage that is being  
monitored. This benefit eliminates the need for an  
intermediate supply voltage to be routed to the point  
of load where the current is being monitored,  
resulting in reduced component count and board  
space.  
•
•
•
•
•
•
•
•
•
•
•
•
Bidirectional or Unidirectional Sensing  
Common Mode Voltage Range: 4.0 V to 76 V  
Supply Voltage Range: 4.5 V to 76 V  
Fixed Gains: 20, 60, and 100 V/V  
Gain Accuracy: ±0.1%  
Offset: ±80 µV  
Bandwidth (–3 dB): 270 kHz  
Quiescent Current: < 100 µA  
Buffered High-Current Output: > 5 mA  
Input Bias Current: 7 µA  
The LMP848x-Q1 family consists of fixed gains of 20,  
60, and 100 for applications that demand high  
accuracy over temperature. The low-input offset  
voltage allows the use of smaller sense resistors  
without sacrificing system error. The LMP8480-Q1  
and LMP8481-Q1 are pin-for-pin replacements for the  
MAX4080 and MAX4081 devices, offering improved  
offset voltage, wider reference adjust range, and  
higher output drive capabilities. The LMP8480-Q1  
and LMP8481-Q1 are available in an 8-pin VSSOP  
package.  
PSRR (DC): 122 dB  
CMRR (DC): 124 dB  
2 Applications  
•
•
•
•
Body Control Modules  
Powertrain  
Battery Management  
Inverters  
Device Information(1)  
PART NUMBER  
LMP8480-Q1  
PACKAGE  
VSSOP (8)  
VSSOP (8)  
BODY SIZE (NOM)  
3.00 mm x 3.00 mm  
3.00 mm x 3.00 mm  
LMP8481-Q1  
(1) For all available packages, see the orderable addendum at  
the end of the data sheet.  
Typical Application Schematic  
ISENSE  
V
CC  
= +4.5V to +76V  
To Load  
C1  
RSENSE  
0.1 µF  
RSP  
GND  
LMP8481-Q1  
REFA  
V
OUT  
VSENSE  
VIN+  
REFB  
RSN  
ADC  
VREF  
VIN-  
LM4140ACM-1.2  
C2  
0.1 µF  
Copyright © 2016, Texas Instruments Incorporated  
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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