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AD8279 PDF预览

AD8279

更新时间: 2024-01-16 09:53:15
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
18页 409K
描述
Low Power, Wide Supply Range, Low Cost Difference Amplifiers, G = ½, 2

AD8279 技术参数

Source Url Status Check Date:2013-05-01 14:56:25.211是否无铅: 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, SOP14,.25
针数:14Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.75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:S-PDSO-G14
长度:8.65 mm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:14
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
封装等效代码:SOP14,.25封装形状:SQUARE
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:+-2/+-18/2/36 V认证状态:Not Qualified
座面最大高度:1.75 mm标称压摆率:1.4 V/us
子类别:Instrumentation Amplifier最大压摆率:0.4 mA
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

AD8279 数据手册

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Preliminary Technical Data  
AD8279  
VS = +2.7 V to < 5 V, VREF = midsupply, TA = 25°C, RL = 10 kΩ connected to midsupply, G = ½ difference amplifier configuration, unless  
otherwise noted.  
Table 4.  
G = ½  
Grade B  
Typ  
Grade A  
Typ  
Parameter  
Conditions  
Min  
Max  
Min  
Max  
Unit  
INPUT CHARACTERISTICS  
System Offset1  
75  
150  
150  
75  
2
250  
250  
μV  
μV  
vs. Temperature  
Average Temperature  
Coefficient  
TA = −40°C to +85°C  
TA = −40°C to +85°C  
VS = 5 V to 18 V  
0.3  
1
2.5  
5
5
μV/°C  
μV/V  
vs. Power Supply  
Common-Mode Rejection VS = 2.7 V, VCM = 0 V  
Ratio (RTI)  
to 2.4 V, RS = 0 Ω  
80  
74  
74  
dB  
VS = 5 V, VCM = −10 V  
to +7 V, RS = 0 Ω  
80  
dB  
V
Input Voltage Range2  
Impedance3  
−3(VS + 0.1)  
+3(VS − 1.5) −3(VS + 0.1)  
+3(VS − 1.5)  
Differential  
120  
30  
120  
30  
kΩ  
kΩ  
Common Mode  
DYNAMIC PERFORMANCE  
Bandwidth  
870  
1.3  
870  
1.3  
kHz  
V/μs  
Slew Rate  
Settling Time to 0.01%  
2 V step on output,  
CL = 100 pF, VS = 2.7 V  
7
7
μs  
Channel Separation  
GAIN  
f = 1 kHz  
130  
130  
dB  
Gain Error  
Gain Drift  
0.005 0.02  
1
0.01  
0.05  
5
%
ppm/°C  
TA = −40°C to +85°C  
OUTPUT CHARACTERISTICS  
Output Swing4  
RL = 10 kΩ ,  
TA = −40°C to +85°C  
−VS + 0.1  
+VS − 0.15  
−VS + 0.1  
+VS − 0.15  
V
Short-Circuit Current Limit  
Capacitive Load Drive  
NOISE5  
10  
200  
10  
200  
mA  
pF  
Output Voltage Noise  
f = 0.1 Hz to 10 Hz  
f = 1 kHz  
1.4  
47  
1.4  
47  
ꢀV p-p  
nV/√Hz  
50  
50  
POWER SUPPLY  
Supply Current6  
TA = −40°C to +85°C  
200  
36  
200  
36  
ꢀA  
V
Operating Voltage Range  
TEMPERATURE RANGE  
Operating Range  
2.0  
2.0  
−40  
+125  
−40  
+125  
°C  
1 Includes input bias and offset current errors, RTO (referred to output).  
2 The input voltage range may also be limited by absolute maximum input voltage or by the output swing. See the Input Voltage Range section in the Theory of Operation  
section for details.  
3 Internal resistors are trimmed to be ratio matched and have 20% absolute accuracy.  
4 Output voltage swing varies with supply voltage and temperature. See Figure 19 through Figure 22 for details.  
5 Includes amplifier voltage and current noise, as well as noise from internal resistors.  
6 Supply current varies with supply voltage and temperature. See Figure 24 and Figure 25 for details.  
Rev. PrA | Page 5 of 18  

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