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CA3130 MOSFET Operational Amplifier
The CA3130 is a high-performance op-amp combining the advantages of both CMOS and bipolar transistors. It features a gate-protected PMOS transistor input and a bipolar output stage, offering ultra-high input impedance, fast response, and low input current. Ideal for precision analog applications, sample-and-hold circuits, and integrators.
Specifications:
- Input: PMOS transistor gate-protected (very high impedance)
- Output: Bipolar transistor (high drive capability)
- Input Bias Current: ~10 pA
- Input Offset Voltage: ~2 mV typical
- Supply Voltage Range: 5V to 16V (single), ±2.5V to ±8V (dual)
- Slew Rate: 10 V/µs
- Unity Gain Bandwidth: 15 MHz
- Output Voltage Swing: Close to rail-to-rail
- Short-circuit protection on output
- Low power consumption
- Package: 8-pin DIP, SOIC
- Operating Temperature Range: 0°C to +70°C
Applications:
- Sample-and-hold circuits
- Integrator and differentiator circuits
- Active filters
- Voltage followers and buffers
- Comparator with zero-crossing detection
- Low-level signal amplification
- Sensor signal conditioning
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