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AD8277BRZ-R7 PDF预览

AD8277BRZ-R7

更新时间： 2024-02-02 11:05:32
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
20页 537K
描述
Low Power, Wide Supply Range, Low Cost Unity-Gain Difference Amplifiers

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AD8277BRZ-R7 技术参数

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：14
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：2.36
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 µV
JESD-30 代码：R-PDSO-G14JESD-609代码：e3
长度：8.65 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)：-5 V
最大非线性：0.0005%功能数量：2
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：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260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：1.1 V/us子类别：Instrumentation Amplifier
最大压摆率：0.25 mA供电电压上限：18 V
标称供电电压 (Vsup)：5 V表面贴装：YES
温度等级：INDUSTRIAL端子面层：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：30
宽度：3.9 mmBase Number Matches：1

AD8277BRZ-R7 数据手册

 浏览型号AD8277BRZ-R7的Datasheet PDF文件第13页浏览型号AD8277BRZ-R7的Datasheet PDF文件第14页浏览型号AD8277BRZ-R7的Datasheet PDF文件第15页浏览型号AD8277BRZ-R7的Datasheet PDF文件第17页浏览型号AD8277BRZ-R7的Datasheet PDF文件第18页浏览型号AD8277BRZ-R7的Datasheet PDF文件第19页 
AD8276/AD8277  
APPLICATIONS INFORMATION  
CONFIGURATIONS  
40kΩ  
40kΩ  
2
5
6
IN  
The AD8276/AD8277 can be configured in several ways (see  
Figure 42 to Figure 46). All of these configurations have excellent  
gain accuracy and gain drift because they rely on the internal  
matched resistors. Note that Figure 43 shows the AD8276/AD8277  
as difference amplifiers with a midsupply reference voltage at  
the noninverting input. This allows the AD8276/AD8277 to be  
used as a level shifter, which is appropriate in single-supply  
applications that are referenced to midsupply.  
OUT  
40kΩ  
40kΩ  
1
3
V
= –V  
IN  
OUT  
Figure 44. Inverting Amplifier, Gain = −1  
As with the other inputs, the reference must be driven with a  
low impedance source to maintain the internal resistor ratio. An  
example using the low power, low noise OP1177 as a reference  
is shown in Figure 41.  
40kΩ  
40kΩ  
40kΩ  
40kΩ  
2
5
6
OUT  
1
3
INCORRECT  
CORRECT  
IN  
V
= V  
OUT  
IN  
Figure 45. Noninverting Amplifier, Gain = 1  
AD8276  
AD8276  
REF  
REF  
V
V
40kΩ  
40kΩ  
2
5
6
+
OP1177  
–
OUT  
40kΩ  
40kΩ  
1
3
IN  
Figure 41. Driving the Reference Pin  
V
= 2V  
OUT  
IN  
Figure 46. Noninverting Amplifier, Gain = 2  
40kΩ  
40kΩ  
40kΩ  
40kΩ  
2
5
6
–IN  
DIFFERENTIAL OUTPUT  
OUT  
Certain systems require a differential signal for better perfor-  
mance, such as the inputs to differential analog-to-digital  
converters. Figure 47 shows how the AD8276/AD8277 can  
be used to convert a single-ended output from an AD8226  
instrumentation amplifier into a differential signal. The internal  
matched resistors of the AD8276 at the inverting input maximize  
gain accuracy while generating a differential signal. The resistors at  
the noninverting input can be used as a divider to set and track  
the common-mode voltage accurately to midsupply, especially  
when running on a single supply or in an environment where  
the supply fluctuates. The resistors at the noninverting input  
can also be shorted and set to any appropriate bias voltage. Note  
that the VBIAS = VCM node indicated in Figure 47 is internal to  
the AD8276 because it is not pinned out.  
3
1
+IN  
V
= V  
− V  
OUT  
IN+ IN−  
Figure 42. Difference Amplifier, Gain = 1  
40kΩ  
40kΩ  
40kΩ  
40kΩ  
2
5
6
–IN  
OUT  
3
1
+IN  
V
= MIDSUPPLY  
REF  
V
= V  
− V  
OUT  
IN+ IN−  
V
+
AD8226  
S
+IN  
–IN  
Figure 43. Difference Amplifier, Gain = 1, Referenced to Midsupply  
+OUT  
V
REF  
R
R
R
AD8276  
R
V
= V  
CM  
BIAS  
–OUT  
V –  
S
Figure 47. Differential Output With Supply Tracking on Common-Mode  
Voltage Reference  
Rev. A | Page 16 of 20  
 
 
 
 
 
 
 
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中文翻译

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AD8277BRZ-R7 替代型号

型号 品牌 替代类型 描述 数据表
AD8277ARZ-RL ADI

完全替代

 Low Power, Wide Supply Range, Low Cost Unity-Gain Difference Amplifiers
AD8277ARZ ADI

类似代替

 Low Power, Wide Supply Range, Low Cost Unity-Gain Difference Amplifiers

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