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AD8278BRZ-R7 PDF预览

AD8278BRZ-R7

更新时间： 2024-02-15 18:13:53
品牌 Logo 应用领域
亚德诺 - ADI 仪表放大器放大器电路光电二极管PC
页数 文件大小 规格书
24页 601K
描述
Low Power, Wide Supply Range, Low Cost Difference Amplifier, G = ½, 2

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AD8278BRZ-R7 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：SOP,针数：8
Reach Compliance Code：unknown风险等级：5.68
Is Samacsys：N放大器类型：INSTRUMENTATION AMPLIFIER
标称带宽 (3dB)：0.55 MHz最小共模抑制比：86 dB
最大输入失调电压：200 µVJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.9 mm
湿度敏感等级：1负供电电压上限：-18 V
标称负供电电压 (Vsup)：-15 V最大非线性：0.0012%
功能数量：1端子数量：8
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：225认证状态：COMMERCIAL
座面最大高度：1.75 mm标称压摆率：1.4 V/us
子类别：Instrumentation Amplifier供电电压上限：18 V
标称供电电压 (Vsup)：15 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：MATTE TIN
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
宽度：3.9 mmBase Number Matches：1

AD8278BRZ-R7 数据手册

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AD8278  
ABSOLUTE MAXIMUM RATINGS  
Table 6.  
2.0  
1.6  
1.2  
0.8  
0.4  
0
T
MAX = 150°C  
J
Parameter  
Rating  
Supply Voltage  
18 V  
Maximum Voltage at Any Input Pin  
Minimum Voltage at Any Input Pin  
Storage Temperature Range  
Specified Temperature Range  
Package Glass Transition Temperature (TG)  
−VS + 40 V  
+VS − 40 V  
−65°C to +150°C  
−40°C to +85°C  
150°C  
SOIC  
θ
= 121°C/W  
JA  
MSOP  
= 135°C/W  
θ
JA  
Stresses above those listed under Absolute Maximum Ratings  
may cause permanent damage to the device. This is a stress  
rating only; functional operation of the device at these or any  
other conditions above those indicated in the operational  
section of this specification is not implied. Exposure to absolute  
maximum rating conditions for extended periods may affect  
device reliability.  
–50  
–25  
0
25  
50  
75  
100  
125  
AMBIENT TEMERATURE (°C)  
Figure 2. Maximum Power Dissipation vs. Ambient Temperature  
SHORT-CIRCUIT CURRENT  
THERMAL RESISTANCE  
The AD8278 has built-in, short-circuit protection that limits the  
output current (see Figure 27 for more information). While the  
short-circuit condition itself does not damage the part, the heat  
generated by the condition can cause the part to exceed its  
maximum junction temperature, with corresponding negative  
effects on reliability. Figure 2 and Figure 27, combined with  
knowledge of the supply voltages and ambient temperature of the  
part can be used to determine whether a short circuit will cause  
the part to exceed its maximum junction temperature.  
The θJA values in Table 7 assume a 4-layer JEDEC standard  
board with zero airflow.  
Table 7. Thermal Resistance  
Package Type  
8-Lead MSOP  
8-Lead SOIC  
θJA  
Unit  
°C/W  
°C/W  
135  
121  
MAXIMUM POWER DISSIPATION  
The maximum safe power dissipation for the AD8278 is limited  
by the associated rise in junction temperature (TJ) on the die. At  
approximately 150°C, which is the glass transition temperature,  
the properties of the plastic change. Even temporarily exceeding  
this temperature limit may change the stresses that the package  
exerts on the die, permanently shifting the parametric performance  
of the amplifiers. Exceeding a temperature of 150°C for an  
extended period may result in a loss of functionality.  
ESD CAUTION  
Rev. 0 | Page 7 of 24  
 
 
 
 
 
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