Features
- Input Offset Voltage: ±2 mV (TYP.)
- Input Offset Current: ±5 nA (TYP.)
- Large Signal Voltage Gain: 100000 (TYP.)
- Internal Frequency Compensation
- Output Short-Circuit Protection
Description
Support is limited to customers who have already adopted these products.
μPC1251, μ PC358 are dual operational amplifiers designed to operate on a single power supply. The features include low-voltage operation, a common-mode input voltage that range from V− (GND) level, an output from a V− (GND) level that is determined by the output stage of class C push-pull circuit and a 50 μA(TYP. ) constant current, and a low current consumption. In addition to that, this amplifier can also operate in both positive and negative power supply and can be used extensively in various amplifier circuits. The μPC1251 is suited for wide operating ambient temperature use due to its temperature expansion type, while μPC358 is for general purposes usage. A DC parameter selection that is compatible to operational amplifiers is also available. μPC451, μ PC324 which are quad types with the same circuit configuration are also available under this series of operational amplifiers.
| Part Number | Status | Samples | Stock | Package | Budgetary Price (USD) | Country of Assembly | Country of Wafer Fabrication |
|---|---|---|---|---|---|---|---|
| UPC358G2-A | NRND | N/A | Out of Stock | SOP | 1ku | $0.39 | JAPAN, MALAYSIA | JAPAN |
| UPC358G2-E1-A | NRND | N/A | Out of Stock | SOP | 1ku | $0.332 | JAPAN, MALAYSIA | JAPAN |
| UPC358G2-E2-A | NRND | N/A | Out of Stock | SOP | 1ku | $0.332 | JAPAN, MALAYSIA | JAPAN |
| UPC358G2(5)-A | Obsolete | N/A | Out of Stock | SOP | |||
| UPC358G2(5)-E1-A | Obsolete | N/A | Out of Stock | SOP | 1ku | $0.444 | JAPAN | JAPAN |
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- Product Change Notice
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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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Knowledge Base
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What is the difference between general use and industrial use?
... with operational amplifiers/comparators for industrial use, all devices are subject to testing with all test items. (Example) Single-power-supply dual operational amplifier For general use (UPC358G2) : Ambient operating temperature range: -20 to +80°C For industrial use(UPC1251G2) : Ambient operating temperature range: -40 to +85°C (2005/09)
Sep 1, 2005
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