Features
- User Programmable Output Voltage Limits
- Low Distortion (30MHz, HD2): -56dBc
- -3dB Bandwidth: 850MHz
- Very Fast Slew Rate: 2300V/µs
- Fast Settling Time (0.1%): 11ns
- Excellent Gain Flatness
- (100MHz): 0.14dB
- (50MHz): 0.04dB
- (30MHz): 0.01dB
- High Output Current: 60mA
- Overdrive Recovery: <1ns
- Pb-Free (RoHS Compliant)
HFA1130 Functional Diagram
Description
The HFA1130 is a High-Speed wideband current feedback amplifier featuring programmable output limits. Built with Intersil’s proprietary complementary bipolar UHF-1 process, it is the fastest monolithic amplifier available from any semiconductor manufacturer. This amplifier is the ideal choice for high frequency applications requiring output limiting, especially those needing ultra fast overdrive recovery times. The output limiting function allows the designer to set the maximum positive and negative output levels, thereby protecting later stages from damage or input saturation. The sub-nanosecond overdrive recovery time quickly returns the amplifier to linear operation, following an overdrive condition. The HFA1130 offers significant performance improvements over the CLC500/501/502.
Applications
- Residue Amplifier
- Video Switching and Routing
- Pulse and Video Amplifiers
- Wideband Amplifiers
- RF/IF Signal Processing
- Flash A/D Driver
- Medical Imaging Systems
- Related Literature
- AN9420, Current Feedback Theory
- AN9202, HFA11XX Evaluation Fixture
| Part Number | Status | Samples | Stock | RoHS | Package | Lead Count (#) | Carrier Type | Moisture Sensitivity Level (MSL) | Pkg. Dimensions (mm) | Pb (Lead) Free | Pb Free Category | Temp. Range (°C) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5962-9467701M2A | Obsolete | N/A | Out of Stock | Contact | CLCC | 20# | Tube | Not Applicable | 8.9 x 8.9 x 0.00 | No | Hot Solder Dip | -55 to +125°C |
| HFA1130IBZ | Obsolete | N/A | Out of Stock | RoHS:EN | SOICN | 8# | Tube | 3 | 4.9 x 3.9 x 0.00 | Yes | Pb-Free 100% Matte Tin Plate w/Anneal-e3 | -40 to +85°C |
| HFA1130IBZ-T | Obsolete | N/A | Out of Stock | RoHS:EN | SOICN | 8# | Reel | 3 | 4.9 x 3.9 x 0.00 | 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.
- Price Increase NoticePDF 257 KB PIN19006 Mar 01, 2019
- 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.
- End Of Life NoticePDF 200 KB PLC15033 Jun 11, 2015
- Product Change NoticePDF 174 KB PCN14017 Apr 21, 2014
- Product Change NoticePDF 152 KB PCN12085 Nov 07, 2012
- Product Change NoticePDF 138 KB PCN11042 Apr 07, 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.
- Application NotePDF 405 KB an9663 Apr 12, 1999AI-generated Summary: The document explains converting voltage-feedback amplifiers (VFAs) to current-feedback amplifiers (CFAs), emphasizing the critical role of the feedback resistor in stability and bandwidth. It highlights layout considerations to minimize stray capacitance and noise, advises on component selection, and discusses noise characteristics and accuracy differences between CFAs and VFAs. CFAs offer better high-frequency performance and cost advantages but require careful design adjustments.
- Application NotePDF 685 KB an9653 Aug 22, 1998AI-generated Summary: Output limiting amplifiers like the HFA1115, HFA1130, and HFA1135 are used to drive high-speed A/D converters and function as fast, open-loop comparators with output swing constraints to prevent saturation artifacts. Adjusting input resistance influences response time and slew rate. These amplifiers enable AM modulation and soft clipping circuits, extending dynamic range and reducing distortion in signals. Soft clipping circuits provide programmable gain reduction beyond set clamp levels, useful in imaging, audio, and control applications. Extended input range configurations allow handling signals beyond amplifier supply voltages.
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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 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 NotePDF 405 KB an9663 Apr 12, 1999AI-generated Summary: The document explains converting voltage-feedback amplifiers (VFAs) to current-feedback amplifiers (CFAs), emphasizing the critical role of the feedback resistor in stability and bandwidth. It highlights layout considerations to minimize stray capacitance and noise, advises on component selection, and discusses noise characteristics and accuracy differences between CFAs and VFAs. CFAs offer better high-frequency performance and cost advantages but require careful design adjustments.View More (11)
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- Price Increase NoticePDF 257 KB PIN19006 Mar 01, 2019
- End Of Life NoticePDF 200 KB PLC15033 Jun 11, 2015
- Product Change NoticePDF 174 KB PCN14017 Apr 21, 2014View More (7)
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