特性
- Low input offset voltage: ±70μV, max ISL28227SEH ±75μV, max
- Superb offset voltage TC: 0.5μV/°C, max ISL28227SEH 1μV/°C, max
- Wide supply range: 4.5V to 40V ISL28227SEH 4.5V to 36V
- Very low voltage noise: 2.5nV/Hz
- Input bias current: ±10nA, max
- Gain-bandwidth product: 10MHz Unity gain stable
- No phase reversal
- Operating temperature range: -40°C to +125°C ISL28227SEH -55°C to +125°C
描述
The ISL28127, ISL28227 and ISL28227SEH are very high precision amplifiers featuring very low noise, low offset voltage, low input bias current and low temperature drift making them the ideal choice for applications requiring both high DC accuracy and AC performance. The combination of precision, low noise and small footprint provides the user with outstanding value and flexibility relative to similar competitive parts. Applications for these amplifiers include precision active filters, medical and analytical instrumentation, precision power supply controls and industrial controls. The ISL28127 single and ISL28227 dual are available in 8 Ld SOIC, TDFN and MSOP packages. All devices are offered in standard pin configurations and operate over the extended temperature range to -40°C to +125°C. The ISL28227SEH is available in a 10 Ld hermetic ceramic Flatpack package. The device is offered in an industry standard pin configuration and operates over the extended temperature range from -55°C to +125°C.
| Part Number | Status | Samples | Stock | Package | Lead Count (#) | Carrier Type | Moisture Sensitivity Level (MSL) | Pitch (mm) | Pkg. Dimensions (mm) | Pb (Lead) Free | Pb Free Category | MOQ | Temp. Range (°C) | CAGE code |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ISL28227SEHF/PROTO | Last Time Buy | Available | In Stock | CFP | 10# | Tray | Not Applicable | 1.3mm | 6.5 x 6.5 x 0.00 | Exempt | Gold Plate over compliant Undercoat-e4 | 1 | -55 to +125°C | 34371 |
| ISL28227SEHMF | Last Time Buy | Available | In Stock | CFP | 10# | Tray | Not Applicable | 1.3mm | 6.5 x 6.5 x 0.00 | Exempt | Gold Plate over compliant Undercoat-e4 | 25 | -55 to +125°C | 34371 |
| ISL28227SEHMX | Last Time Buy | Available | Out of Stock | Package | Die Waffle Pack | Not Applicable | 0.0 x 0.0 x 0.00 | Yes | Not Applicable | 100 | -55 to +125°C | 34371 | ||
| ISL28227SEHX/SAMPLE | Last Time Buy | Available | Out of Stock | Package | Die Waffle Pack | Not Applicable | 0.0 x 0.0 x 0.00 | Yes | Not Applicable | 5 | -40 to +125°C | 34371 |
- 数据手册英语ISL28127, ISL28227, ISL28227SEH DatasheetRECOMMENDEDPDF 3.13 MB isl28127-227-227seh 2024年10月07日
- 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 377 KB an1690 2004年1月19日AI 生成的摘要: The document discusses electronic components and design considerations for patient monitors, focusing on low power instrumentation amplifiers for portable ECGs and pulse oximetry systems. It explains the use of specific wavelengths (660nm, 805nm, 940nm) to measure oxygen saturation via photodiodes and highlights the need for precise, low-noise amplifiers and 16-bit ADCs. It emphasizes balancing power consumption, noise, resolution, and portability in medical device design. The document also includes a block diagram for pulse oximetry and outlines Renesas Electronics’ product quality classifications and legal disclaimers.
- 应用说明英语PDF 976 KB an1556 2004年1月19日AI 生成的摘要: The document details building an accurate SPICE model for low noise, low power precision amplifiers, focusing on the ISL28127 device. It explains the modeling of various amplifier stages, including the voltage noise stage, input stage, gain stages, mid supply reference, common mode gain, supply isolation, and output stage. Key modeling techniques involve noise reduction, gain setting, current sourcing, and output short circuit protection. The document also describes how voltage-controlled current sources operate within the model to simulate amplifier behavior accurately.
- 应用说明英语PDF 338 KB an9867 1999年11月10日AI 生成的摘要: Electrical parameters are monitored during life testing to detect drift and failures, defined by exceeding datasheet limits. New products require less than 1% failure during burn-in, with failure analysis and corrective actions if exceeded. Sampling plans ensure defect rates below 3%. Life tests last 1000-3000 hours at 125°C depending on process maturity. Failure mechanisms include electromigration, ionic contamination, hot carrier injection, and dielectric rupture. Product sign-off requires all parties' approval after reliability confirmation. Space products undergo burn-in and quality conformance inspections with strict failure limits. Derating is unnecessary as datasheet limits are set at 6-sigma from characterization data, ensuring reliability.
- 应用说明英语PDF 224 KB an9654 1999年5月05日AI 生成的摘要: The document explains the reliability and failure mechanisms of semiconductor parts, focusing on life testing and wearout. It discusses how switching states cause transient current pulses and hot carrier injection, which only occur briefly during switching. Life testing at elevated temperatures accelerates aging to remove infant mortality failures, improving reliability. The failure rate follows a bathtub curve with infant mortality, useful life, and wearout phases, modeled by lognormal and exponential distributions. The Arrhenius equation relates failure rates at different temperatures. Burn-in and life tests reduce early failures without harming intrinsic reliability.
- 数据手册英语ISL28127, ISL28227, ISL28227SEH DatasheetRECOMMENDEDPDF 3.13 MB isl28127-227-227seh 2024年10月07日
推荐文档 (1)
- 数据手册英语ISL28127, ISL28227, ISL28227SEH DatasheetRECOMMENDEDPDF 3.13 MB isl28127-227-227seh 2024年10月07日
数据手册 (1)
手册和指南 (1)
- 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 377 KB an1690 2004年1月19日AI 生成的摘要: The document discusses electronic components and design considerations for patient monitors, focusing on low power instrumentation amplifiers for portable ECGs and pulse oximetry systems. It explains the use of specific wavelengths (660nm, 805nm, 940nm) to measure oxygen saturation via photodiodes and highlights the need for precise, low-noise amplifiers and 16-bit ADCs. It emphasizes balancing power consumption, noise, resolution, and portability in medical device design. The document also includes a block diagram for pulse oximetry and outlines Renesas Electronics’ product quality classifications and legal disclaimers.
- 应用说明英语PDF 976 KB an1556 2004年1月19日AI 生成的摘要: The document details building an accurate SPICE model for low noise, low power precision amplifiers, focusing on the ISL28127 device. It explains the modeling of various amplifier stages, including the voltage noise stage, input stage, gain stages, mid supply reference, common mode gain, supply isolation, and output stage. Key modeling techniques involve noise reduction, gain setting, current sourcing, and output short circuit protection. The document also describes how voltage-controlled current sources operate within the model to simulate amplifier behavior accurately.
- 应用说明英语PDF 338 KB an9867 1999年11月10日AI 生成的摘要: Electrical parameters are monitored during life testing to detect drift and failures, defined by exceeding datasheet limits. New products require less than 1% failure during burn-in, with failure analysis and corrective actions if exceeded. Sampling plans ensure defect rates below 3%. Life tests last 1000-3000 hours at 125°C depending on process maturity. Failure mechanisms include electromigration, ionic contamination, hot carrier injection, and dielectric rupture. Product sign-off requires all parties' approval after reliability confirmation. Space products undergo burn-in and quality conformance inspections with strict failure limits. Derating is unnecessary as datasheet limits are set at 6-sigma from characterization data, ensuring reliability.
- 应用说明英语PDF 224 KB an9654 1999年5月05日AI 生成的摘要: The document explains the reliability and failure mechanisms of semiconductor parts, focusing on life testing and wearout. It discusses how switching states cause transient current pulses and hot carrier injection, which only occur briefly during switching. Life testing at elevated temperatures accelerates aging to remove infant mortality failures, improving reliability. The failure rate follows a bathtub curve with infant mortality, useful life, and wearout phases, modeled by lognormal and exponential distributions. The Arrhenius equation relates failure rates at different temperatures. Burn-in and life tests reduce early failures without harming intrinsic reliability.
应用说明和白皮书 (5)
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