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The HA17904PS is a quad operational amplifier (op-amp) IC manufactured by Hitachi (HIT). Below are the key specifications, descriptions, and features:

Specifications:

• Manufacturer: Hitachi (HIT)
• Type: Quad Operational Amplifier (Op-Amp)
• Supply Voltage Range: ±3V to ±18V (Dual Supply) or 6V to 36V (Single Supply)
• Input Offset Voltage: 2mV (Typical)
• Input Bias Current: 30nA (Typical)
• Input Offset Current: 5nA (Typical)
• Slew Rate: 0.5V/µs (Typical)
• Gain Bandwidth Product: 1MHz (Typical)
• Common Mode Rejection Ratio (CMRR): 90dB (Typical)
• Power Supply Rejection Ratio (PSRR): 100dB (Typical)
• Operating Temperature Range: -20°C to +75°C
• Package: DIP-14 (Dual Inline Package)

Description:

The HA17904PS is a monolithic quad operational amplifier designed for general-purpose applications. It features low power consumption, high input impedance, and stable operation across a wide voltage range. The IC is commonly used in signal conditioning, active filters, and analog computation circuits.

Features:

• Low Power Consumption: Suitable for battery-operated devices.
• Wide Supply Voltage Range: Supports both single and dual power supplies.
• High Input Impedance: Minimizes loading effects on input signals.
• Internal Frequency Compensation: No external components required for stability.
• Short-Circuit Protection: Enhanced durability against output shorts.

This IC is a functional equivalent to the LM324 and TL084 series, making it a versatile choice for various analog circuit designs.