特性
- Fully differential inputs, outputs, and feedback
- Differential input range ±2.3V
- 700MHz 3dB bandwidth
- 1000V/μs slew rate
- Low distortion at 5MHz and 20MHz
- Single 5V or dual ±5V supplies
- 60mA maximum output current
- Low power - 12.5mA per channel
- Pb-free (RoHS compliant)
描述
The EL5178 and EL5378 are single and triple high bandwidth amplifiers with an output in differential form. They are primarily targeted for applications such as driving twisted-pair lines in component video applications. The inputs can be in either single-ended or differential form but the outputs are always in differential form. On the EL5178 and EL5378, two feedback inputs provide the user with the ability to set the gain of each device (stable at minimum gain of 2). The output common mode level for each channel is set by the associated REF pin, which has a -3dB bandwidth of over 110MHz. Generally, these pins are grounded but can be tied to any voltage reference. All outputs are short-circuit protected to withstand temporary overload condition. The EL5178 is available in 8 Ld MSOP and SOIC packages and EL5378 is available in a 28 Ld QSOP package. All are specified for operation over the full -40°C to +85°C temperature range.
应用
- Twisted-pair driver
- Differential line driver
- VGA over twisted-pair
- ADSL/HDSL driver
- Single-ended to differential amplification
- Transmission of analog signals in a noisy environment
| Part Number | Status | Samples | Stock | RoHS | Package | Lead Count (#) | Carrier Type | Moisture Sensitivity Level (MSL) | Pb (Lead) Free | Pb Free Category | Temp. Range (°C) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| EL5378IUZ | Obsolete | N/A | In Stock | RoHS:EN | QSOP | 28# | Tube | 3 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
| EL5378IUZ-T13 | Obsolete | N/A | Out of Stock | RoHS:EN | QSOP | 28# | Reel | 3 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
| EL5378IUZ-T7 | Obsolete | N/A | Out of Stock | RoHS:EN | QSOP | 28# | Reel | 3 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
- 应用说明英语PDF 263 KB r13an0003eu0100-biasing-op-amps 2019年12月06日AI 生成的摘要: 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.
- 应用说明英语PDF 564 KB an1993 2018年5月22日AI 生成的摘要: 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.
- 产品变更通告英语PDF 135 KB PCN12084 2012年10月15日
- 应用说明英语PDF 957 KB an1484 2007年11月29日AI 生成的摘要: The document explains extending KVM video range up to 1,500 feet using peaking circuits to compensate for Cat 5 cable losses. It details low-frequency and high-frequency gain adjustments, input impedance matching, sync extraction with offset adjustment, and limiting high-frequency boost to prevent oscillations. A selectable peaking network optimizes video signal quality for different cable lengths (150ft, 300ft, 450ft). The design includes RGB+HVsync extension using digital encoding and offset scaling for sync signals.
- 应用说明英语PDF 357 KB an1694 2004年1月19日AI 生成的摘要: 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.
- 应用说明英语PDF 843 KB an535 2002年6月05日AI 生成的摘要: A Data Acquisition System (DAS) requires careful design of signal conditioning, transducer selection, and signal transmission to ensure high accuracy. Signal conditioning includes multiplexing, amplification, filtering, and calibration, ideally performed near the transducer. Transducers convert physical variables to electrical signals, often voltage, with low source resistance preferred. Signal paths can be single-ended or differential; differential paths better reject common mode noise, especially for low-level signals. Shielded twisted pairs and balanced lines reduce interference. Filters, typically Butterworth low-pass, prevent aliasing and maintain signal integrity.
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- 应用说明英语PDF 263 KB r13an0003eu0100-biasing-op-amps 2019年12月06日AI 生成的摘要: 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.
- 应用说明英语PDF 564 KB an1993 2018年5月22日AI 生成的摘要: 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.
- 应用说明英语PDF 957 KB an1484 2007年11月29日AI 生成的摘要: The document explains extending KVM video range up to 1,500 feet using peaking circuits to compensate for Cat 5 cable losses. It details low-frequency and high-frequency gain adjustments, input impedance matching, sync extraction with offset adjustment, and limiting high-frequency boost to prevent oscillations. A selectable peaking network optimizes video signal quality for different cable lengths (150ft, 300ft, 450ft). The design includes RGB+HVsync extension using digital encoding and offset scaling for sync signals.
- 应用说明英语PDF 357 KB an1694 2004年1月19日AI 生成的摘要: 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.
- 应用说明英语PDF 843 KB an535 2002年6月05日AI 生成的摘要: A Data Acquisition System (DAS) requires careful design of signal conditioning, transducer selection, and signal transmission to ensure high accuracy. Signal conditioning includes multiplexing, amplification, filtering, and calibration, ideally performed near the transducer. Transducers convert physical variables to electrical signals, often voltage, with low source resistance preferred. Signal paths can be single-ended or differential; differential paths better reject common mode noise, especially for low-level signals. Shielded twisted pairs and balanced lines reduce interference. Filters, typically Butterworth low-pass, prevent aliasing and maintain signal integrity.
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- 产品变更通告英语PDF 135 KB PCN12084 2012年10月15日
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