UPC 4570 SMD IC

UPC4570 Dual Operational Amplifier – Ultra Low-Noise Wideband Op-Amp
The uPC4570 is a high-performance dual operational amplifier designed for low-noise audio systems, instrumentation, active filters, signal conditioning, and high-speed analog applications. Featuring ultra-low input noise, high slew rate, wide bandwidth, and stable voltage-follower operation, the uPC4570 delivers significantly improved AC performance compared to conventional 4558 op-amps while maintaining efficient power consumption and reliable operation.

Why it’s a System Essential:
• Ultra Low Noise Performance: Input equivalent noise is significantly lower than standard 4558 op-amps.
• Wideband Operation: High gain bandwidth product enables improved high-frequency signal processing.
• High Slew Rate: Provides fast transient response and accurate waveform reproduction.
• Stable Voltage Follower Performance: Maintains excellent stability in unity-gain buffer configurations.
• Improved AC Characteristics: Offers superior bandwidth and slew-rate performance compared to conventional op-amps.
• Internal Frequency Compensation: Simplifies circuit design and ensures stable operation.
• Suitable for Precision Analog Systems: Ideal for audio, instrumentation, and signal processing applications.

Key Features:
• Ultra Low Noise:
 • en = 4.5 nV/√Hz

• High Slew Rate:
 • 7 V/μs

• High Gain Bandwidth Product:
 • GBW = 15 MHz at 100 kHz

• Internal Frequency Compensation

Absolute Maximum Ratings:
• Maximum Voltage Between V+ and V−:
 • −0.3V to +36V

• Maximum Differential Input Voltage (VID):
 • +30V

• Input Voltage Range (VI):
 • (V− − 0.3V) to (V+ + 0.3V)

• Output Voltage Range (VO):
 • (V− − 0.3V) to (V+ + 0.3V)

• Maximum Power Dissipation (PT):
 • 350mW

• Output Short-Circuit Duration (ts):
 • 10 seconds

Temperature Specifications:
• Operating Ambient Temperature (TA):
 • −20°C to +80°C

• Storage Temperature (Tstg):
 • −55°C to +125°C

Features:
• Ultra low-noise analog amplification
• Wideband signal processing capability
• High-speed transient response
• Stable unity-gain operation
• Internally compensated architecture
• Reliable industrial-grade analog performance

Applications:
• Audio preamplifiers
• Hi-fi audio systems
• Active filter circuits
• Signal conditioning systems
• Instrumentation amplifiers
• Communication electronics
• Embedded analog systems
• Sensor amplification circuits
• DIY audio and electronics projects

Best For:
Ideal for students, hobbyists, makers, engineers, and analog electronics developers working on low-noise audio systems, instrumentation electronics, active filters, signal processing applications, embedded analog circuits, and high-performance operational amplifier designs requiring wide bandwidth and low-noise performance.