CA3140AMZ

The CA3140AMZ is a single BiMOS Operational Amplifier with MOSFET input/bipolar output. The CA3140A is combines the advantages of high voltage PMOS transistors with high voltage bipolar transistors on a single monolithic chip. The CA3140A BiMOS operational amplifier feature gate protected MOSFET (PMOS) transistors in the input circuit to provide very high input impedance, very low input current and high speed performance. This operational amplifier is internally phase compensated to achieve stable operation in unity gain follower operation and additionally, has access terminal for a supplementary external capacitor if additional frequency roll-off is desired. Terminals are also provided for use in applications requiring input offset voltage nulling. The use of PMOS field effect transistors in the input stage results in common mode input voltage capability down to 0.5V below the negative supply terminal.

• Output swing complements input common-mode range
• Directly replaces industry type 741 in most applications
• Wide common-mode input voltage range (VlCR) - Can be swung 0.5V below negative supply voltage rail
• 1.5TΩ Typical very high input impedance
• 10pA at ±15V Typical very low input current
• 18kΩ Input offset voltage adjustment resistor
• 4pF Input capacitance
• 2mV Input offset voltage
• 0.1pA Input offset current

Applications

Automotive, Portable Devices, Sensing & Instrumentation, Signal Processing, Power Management, Clock & Timing