ISL28278

The ISL28278 and ISL28478 are dual and quad channel micropower operational amplifiers optimized for single supply operation over the 2.4V to 5.5V range. They can be operated from one lithium cell or two Ni-Cd batteries. For equivalent performance in a single channel op amp reference EL8178.

These devices feature an Input Range Enhancement Circuit (IREC) which enables them to maintain CMRR performance for input voltages 10% above the positive supply rail and to 100mV below the negative supply. The output operation is rail-to-rail.

The ISL28278 and ISL28478 draw minimal supply current while meeting excellent DC-accuracy, AC-performance, noise and output drive specifications. The ISL28278 contains a power down enable pin that reduces the power supply current to typically 4μA in the disabled state.

ISL28278 特点

• Low power 120μA typical supply current (ISL28278)
• 225μV max offset voltage
• 30pA max input bias current
• 300kHz typical gain-bandwidth product
• 105dB typical PSRR
• 100dB typical CMRR
• Single supply operation down to 2.4V
• Input is capable of swinging above V+ and below V- (ground sensing)
• Rail-to-rail input and output (RRIO)
• Enable Pin (ISL28278 only)
• Pb-free (RoHS compliant)

ISL28278 芯片订购指南

芯片型号	产品状态	温度范围	封装尺寸图	潮湿敏感度等级MSL	美元价格US $
ISL28278EVAL1Z	量产		评估板	N/A	价格录入中
ISL28278FAZ	量产	Full-Range Ind	16 Ld QSOP	2	1.42
ISL28278FAZ-T7	量产	Full-Range Ind	16 Ld QSOP T+R	2	1.42

ISL28278 应用技术支持与电子电路设计开发资源下载

1. ISL28278 数据手册DataSheet下载.PDF