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HCA10014 - 15MHz/ BiMOS Operational Amplifier with MOSFET Input/CMOS Output

Description

Figure 7 is a block diagram of the HCA10014.

The input terminals may be operated down to 0.5V below the negative supply rail, and the output can be swung very close to either supply rail in many applications.

Consequently, the HCA10014 is ideal for single supply operation.

Features

  • MOSFET Input Stage Provides: - Very High ZI = 1.5TΩ (1.5 x 1012Ω) (Typ) - Very Low II 15V Operation.
  • 5pA (Typ) 5V Operation.
  • . 2pA (Typ).
  • Ideal for Single Supply.

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Full PDF Text Transcription

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HCA10014 Data Sheet August 1999 File Number 4769 15MHz, BiMOS Operational Amplifier with MOSFET Input/CMOS Output HCA10014 op amp combines the advantage of both CMOS and bipolar transistors. Gate protected P-Channel MOSFET (PMOS) transistors are used in the input circuit to provide very high input impedance, very low input current, and exceptional speed performance. The use of PMOS transistors in the input stage results in common mode input voltage capability down to 0.5V below the negative supply terminal, an important attribute in single supply applications. A CMOS transistor pair, capable of swinging the output voltage to within 10mV of either supply voltage terminal (at very high values of load impedance), is employed as the output circuit.
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