Features
- Fully differential inputs, outputs, and feedback
- Differential input range ±2.3V
- 550MHz 3dB bandwidth
- 1100V/µs slew rate
- Low distortion at 20MHz
- Single 5V or dual ±5V supplies
- 40mA maximum output current
- Low power, 12.5mA typical supply current
- Pb-free (RoHS compliant)
EL5177 Functional Diagram
Description
The EL5177 is a high bandwidth amplifier with an output in differential form. It is primarily targeted for applications such as driving twisted-pair lines or any application where common mode injection is likely to occur. The input signal can be in either single-ended or differential form but the output is always in differential form. On the EL5177, two feedback inputs provide the user with the ability to set the device gain (stable at a minimum gain of 1). The output common mode level is set by the reference pin (REF), which has a -3dB bandwidth of 110MHz. Generally, this pin is grounded but it can be tied to any voltage reference. Both outputs (OUT+, OUT-) are short circuit protected to withstand temporary overload condition. The EL5177 is available in the 10 Ld MSOP package and is specified for operation over the full -40°C to +85°C temperature range. See also EL5174 (EL5177 in 8 Ld MSOP).
Applications
- Twisted-pair drivers
- Differential line drivers
- VGA over twisted-pair
- ADSL/HDSL drivers
- 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| EL5177IYZ | Obsolete | N/A | In Stock | RoHS:EN | MSOP | 10# | Tube | 3 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
| EL5177IYZ-T13 | Obsolete | N/A | Out of Stock | RoHS:EN | MSOP | 10# | Reel | 3 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
| EL5177IYZ-T7 | Obsolete | N/A | Out of Stock | RoHS:EN | MSOP | 10# | Reel | 3 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
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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.
- Product Change NoticePDF 98 KB PCN12094 Dec 19, 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 459 KB an1318 Jan 19, 2004AI-generated Summary: The document explains transmitting SXGA video signals over 300m CAT-5 cable using differential amplifiers and line drivers. It details the EL5177 and EL5175 amplifier block diagrams for converting single-ended to differential and differential to single-ended signals. Proper termination techniques prevent signal reflections, and AC coupling supports single supply operation. Video equalization strategies include pre-equalization with capacitors and post-equalization using high-speed amplifiers. The EL9110 receiver compensates for cable losses and recovers common mode signals. Sync signals are encoded into composite sync to transmit all SXGA signals over four twisted pairs, minimizing EMI and enabling sync regeneration.
- Application NotePDF 929 KB an1307 Jan 19, 2004AI-generated Summary: The document addresses common video transmission issues over CAT-5 cables, including ghosting caused by improper termination, color mismatch due to gain or offset differences, common-mode noise affecting synchronization, power supply noise causing picture disturbances, and channel timing mismatches leading to color blurring. It explains termination schemes for driver and receiver sides, and presents equalization techniques to compensate for signal attenuation and distortion inherent in CAT-5 cables. Solutions include hardware adjustments and integrated circuits for delay and gain correction.
- 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 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 459 KB an1318 Jan 19, 2004AI-generated Summary: The document explains transmitting SXGA video signals over 300m CAT-5 cable using differential amplifiers and line drivers. It details the EL5177 and EL5175 amplifier block diagrams for converting single-ended to differential and differential to single-ended signals. Proper termination techniques prevent signal reflections, and AC coupling supports single supply operation. Video equalization strategies include pre-equalization with capacitors and post-equalization using high-speed amplifiers. The EL9110 receiver compensates for cable losses and recovers common mode signals. Sync signals are encoded into composite sync to transmit all SXGA signals over four twisted pairs, minimizing EMI and enabling sync regeneration.
- Application NotePDF 929 KB an1307 Jan 19, 2004AI-generated Summary: The document addresses common video transmission issues over CAT-5 cables, including ghosting caused by improper termination, color mismatch due to gain or offset differences, common-mode noise affecting synchronization, power supply noise causing picture disturbances, and channel timing mismatches leading to color blurring. It explains termination schemes for driver and receiver sides, and presents equalization techniques to compensate for signal attenuation and distortion inherent in CAT-5 cables. Solutions include hardware adjustments and integrated circuits for delay and gain correction.View More (6)
Application Notes & White Papers (6)
- Product Change NoticePDF 98 KB PCN12094 Dec 19, 2012
- Product Change NoticePDF 117 KB PCN11059 Jun 17, 2011
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