Features
- Ultra low-noise (f = 1 kHz): 4.5 nV/√Hz (TYP.)
- Total harmonic distortion (f = 20 Hz to 20 kHz): 0.002% (TYP.)
- High slew rate : 7 V/μs (TYP.)
- High gain bandwidth product (f = 100 kHz) : 15 MHz (TYP.)
- Input offset voltage : ±0.3 mV (TYP.)
- Operating ambient temperature : −40 to +85°C
- Internal frequency compensation
Description
Support is limited to customers who have already adopted these products.
The μPC4570MF-DAA is an ultra low-noise, wideband high slew-rate, dual operational amplifier. Input equivalent noise is three times better than the conventional μPC4558 type op-amps. The gain bandwidth products and the slew-rate are seven times better than μPC4558. In spite of fast AC performance, the μPC4570MF-DAA is extremely stable under voltage-follower circuit conditions. Supply current is also improved compared with conventional wideband op-amps. The μPC4570MF-DAA is an excellent choice for pre-amplifiers and active filters in audio, instrumentation, and communication circuits.
| Part Number | Status | Samples | Stock | RoHS | Package | Carrier Type |
|---|---|---|---|---|---|---|
| UPC4570MF-DAA-E1-AT | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | SOP | Embossed Tape |
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- Application NotePDF 263 KB r13an0003eu0100-biasing-op-amps Dec 06, 2019AI-generated Summary: Proper biasing of operational amplifiers is essential to avoid malfunction in AC-coupled circuits. A missing DC bias path causes long stabilization times and potential failures. Adding input resistors to ground provides a DC path for bias currents, minimizing offset errors. For single-supply AC-coupled amplifiers, biasing uses a reference voltage, ideally from a high-PSRR voltage reference or buffered voltage divider, to maintain signal symmetry and reduce noise. Understanding frequency responses of input and feedback components is crucial for setting bandwidth and gain characteristics.
- Application NotePDF 564 KB an1993 May 22, 2018AI-generated Summary: Voltage feedback (VFB) amplifiers use a differential input pair, a high-impedance stage, and an output buffer to convert input voltage differences into output voltage. The VFB amplifier's gain decreases at a dominant pole frequency due to compensation capacitors. Current feedback (CFB) amplifiers include a class AB input amplifier, current mirror, high-impedance stage, and output buffer. CFB amplifiers provide faster switching and higher slew rates by drawing charge/discharge currents directly from supply rails, unlike VFB amplifiers which are limited by biasing current sources.
- Application NotePDF 357 KB an1694 Jan 19, 2004AI-generated Summary: The document outlines the four fundamental internal blocks of an operational amplifier and presents a simple 2:1 stage circuit diagram. It includes important legal notices from Renesas Electronics regarding the use, liability, and intellectual property rights of their semiconductor products. The document clarifies product quality grades, intended applications, and restrictions on use in life-critical or hazardous systems. It emphasizes compliance with applicable laws and safety responsibilities when using Renesas products. Contact information for Renesas sales offices worldwide is also provided.
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- Application NotePDF 263 KB r13an0003eu0100-biasing-op-amps Dec 06, 2019AI-generated Summary: Proper biasing of operational amplifiers is essential to avoid malfunction in AC-coupled circuits. A missing DC bias path causes long stabilization times and potential failures. Adding input resistors to ground provides a DC path for bias currents, minimizing offset errors. For single-supply AC-coupled amplifiers, biasing uses a reference voltage, ideally from a high-PSRR voltage reference or buffered voltage divider, to maintain signal symmetry and reduce noise. Understanding frequency responses of input and feedback components is crucial for setting bandwidth and gain characteristics.
- Application NotePDF 564 KB an1993 May 22, 2018AI-generated Summary: Voltage feedback (VFB) amplifiers use a differential input pair, a high-impedance stage, and an output buffer to convert input voltage differences into output voltage. The VFB amplifier's gain decreases at a dominant pole frequency due to compensation capacitors. Current feedback (CFB) amplifiers include a class AB input amplifier, current mirror, high-impedance stage, and output buffer. CFB amplifiers provide faster switching and higher slew rates by drawing charge/discharge currents directly from supply rails, unlike VFB amplifiers which are limited by biasing current sources.
- Application NotePDF 357 KB an1694 Jan 19, 2004AI-generated Summary: The document outlines the four fundamental internal blocks of an operational amplifier and presents a simple 2:1 stage circuit diagram. It includes important legal notices from Renesas Electronics regarding the use, liability, and intellectual property rights of their semiconductor products. The document clarifies product quality grades, intended applications, and restrictions on use in life-critical or hazardous systems. It emphasizes compliance with applicable laws and safety responsibilities when using Renesas products. Contact information for Renesas sales offices worldwide is also provided.
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