Features
- Differential input range ±2.3V
- 250MHz 3dB bandwidth
- 800V/µs slew rate
- 60mA maximum output current
- Single 5V or dual ±5V supplies
- Low power - 5mA to 6mA per channel
- Pb-free available (RoHS compliant)
EL5172 Functional Diagram
Description
The EL5172 and EL5372 are single and triple high bandwidth amplifiers designed to extract the difference signal from noisy environments. They are primarily targeted for applications such as receiving signals from twisted-pair lines or any application where common mode noise injection is likely to occur. The EL5172 and EL5372 are stable for a gain of one and requires two external resistors to set the voltage gain. The output common mode level is set by the reference pin (VREF), which has a -3dB bandwidth of over 120MHz. Generally, this pin is grounded but it can be tied to any voltage reference. The output can deliver a maximum of ±60mA and is short circuit protected to withstand a temporary overload condition. The EL5172 is available in the 8 Ld SOIC and 8 Ld MSOP packages and the EL5372 in a 24 Ld QSOP package. Both are specified for operation over the full -40°C to +85°C temperature range.
Applications
- Twisted-pair receivers
- Differential line receivers
- VGA over twisted-pair
- ADSL/HDSL receivers
- Differential to single-ended amplification
- Reception of analog signals in a noisy environment
| Part Number | Status | Samples | Stock | RoHS | Package | Lead Count (#) | Carrier Type | Moisture Sensitivity Level (MSL) | Pitch (mm) | Pkg. Dimensions (mm) | Pb (Lead) Free | Pb Free Category | Temp. Range (°C) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EL5172ISZ | Obsolete | N/A | Out of Stock | RoHS:EN | SOICN | 8# | Tube | 1 | 1.3mm | 4.9 x 3.9 x 0.00 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
| EL5172ISZ-T13 | Obsolete | N/A | Out of Stock | RoHS:EN | SOICN | 8# | Reel | 3 | 1.3mm | 4.9 x 3.9 x 0.00 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
| EL5172ISZ-T7 | Obsolete | N/A | Out of Stock | RoHS:EN | SOICN | 8# | Reel | 1 | 1.3mm | 4.9 x 3.9 x 0.00 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
| EL5172ISZ-T7A | Obsolete | N/A | Out of Stock | RoHS:EN | SOICN | 8# | Reel | 1 | 1.3mm | 4.9 x 3.9 x 0.00 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
| EL5172IYZ | Obsolete | N/A | Out of Stock | RoHS:EN | MSOP | 8# | Tube | 2 | 0.7mm | 3.0 x 3.0 x 0.00 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
| EL5172IYZ-T13 | Obsolete | N/A | Out of Stock | RoHS:EN | MSOP | 8# | Reel | 2 | 0.7mm | 3.0 x 3.0 x 0.00 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
| EL5172IYZ-T7 | Obsolete | N/A | Out of Stock | RoHS:EN | MSOP | 8# | Reel | 2 | 0.7mm | 3.0 x 3.0 x 0.00 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
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- Application NotePDF 223 KB R13AN0017EU0100 Rev.1.00 Jul 19, 2022
- Product Change NoticePDF 178 KB Jun 17, 2022
- 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.
- Product Change NoticePDF 98 KB PCN12094 Dec 19, 2012
- Product Change NoticePDF 152 KB PCN12085 Nov 07, 2012
- Product Change NoticePDF 135 KB PCN12084 Oct 15, 2012
- Product Change NoticePDF 117 KB PCN11059 Jun 17, 2011
- 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.
- Application NotePDF 843 KB an535 Jun 05, 2002AI-generated Summary: 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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- Application NotePDF 223 KB R13AN0017EU0100 Rev.1.00 Jul 19, 2022
- 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.
- Application NotePDF 843 KB an535 Jun 05, 2002AI-generated Summary: 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.
Application Notes & White Papers (5)
- Product Change NoticePDF 178 KB Jun 17, 2022
- Product Change NoticePDF 98 KB PCN12094 Dec 19, 2012
- Product Change NoticePDF 152 KB PCN12085 Nov 07, 2012View More (7)
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