参数资料
型号: ISL28271
厂商: Intersil Corporation
元件分类: 运动控制电子
英文描述: Dual Micropower, Single Supply, Rail-to-Rail Input and Output (RRIO) Instrumentation Amplifier(双微功率,单电源,轨对轨输入/输出(RRIO)测量放大器)
中文描述: 双微功耗,单电源,轨到轨输入和输出(RRIO)仪表放大器(双微功率,单电源,轨对轨输入/输出(RRIO)测量放大器)
文件页数: 13/14页
文件大小: 688K
代理商: ISL28271
13
FN6390.2
August 17, 2007
Unused Channels
The ISL28271 and ISL28272 are Dual channel op amps. If
the application only requires one channel when using the
ISL28271 or ISL28272, the user must configure the unused
channel to prevent it from oscillating. The unused channel
will oscillate if the input and output pins are floating. This will
result in higher than expected supply currents and possible
noise injection into the channel being used. The proper way
to prevent this oscillation is to configure the feedback pins
(FB+, FB-) with the minimum gain stable values for the
amplifier with R
F
and R
G
resistors and tieing the input
terminals to ground (as shown in Figure 40).
FIGURE 40. PREVENTING OSCILLATIONS IN UNUSED
CHANNELS
-
+
-
+
IN+
IN-
FB+
FB-
RF
RG
ISL28271, ISL28272
相关PDF资料
PDF描述
ISL28272 Dual Micropower, Single Supply, Rail-to-Rail Input and Output (RRIO) Instrumentation Amplifier(双微功率,单电源,轨对轨输入/输出(RRIO)测量放大器)
ISL28278 Dual and Quad Micropower Single Supply Rail-to-Rail Input and Output (RRIO) Op-Amp(双/四通道,微功率,单电源,轨对轨输入/输出(RRIO)运放)
ISL28478 Dual and Quad Micropower Single Supply Rail-to-Rail Input and Output (RRIO) Op-Amp(双/四通道,微功率,单电源,轨对轨输入/输出(RRIO)运放)
ISL28286 Dual and Quad Micropower Single Supply Rail-to-Rail Input and Output (RRIO) Precision Op Amp(双/四通道,微功率,单电源,轨对轨输入/输出(RRIO)精密运放)
ISL28486 Dual and Quad Micropower Single Supply Rail-to-Rail Input and Output (RRIO) Precision Op Amp(双/四通道,微功率,单电源,轨对轨输入/输出(RRIO)精密运放)
相关代理商/技术参数
参数描述
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