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放大器
運算放大器 (op amps)
高速運算放大器 (GBW ≥ 50 MHz)

OPA365

現行

5V、50MHz、精密、高 CMRR、軌至軌運算放大器

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產品規格表

OPA365

現行
產品規格表 立即訂購

產品詳細資料

Architecture FET / CMOS Input, Voltage FB Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 GBW (typ) (MHz) 50 BW at Acl (MHz) 50 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 25 Vn at flatband (typ) (nV√Hz) 4.5 Vn at 1 kHz (typ) (nV√Hz) 4.5 Iq per channel (typ) (mA) 4.6 Vos (offset voltage at 25°C) (max) (mV) 0.2 Rail-to-rail In, Out Features Zero Crossover Rating Catalog Operating temperature range (°C) -40 to 125 CMRR (typ) (dB) 120 Input bias current (max) (pA) 10 Offset drift (typ) (µV/°C) 1 Iout (typ) (mA) 65 2nd harmonic (dBc) 81 3rd harmonic (dBc) 93 Frequency of harmonic distortion measurement (MHz) 1
Architecture FET / CMOS Input, Voltage FB Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 GBW (typ) (MHz) 50 BW at Acl (MHz) 50 Acl, min spec gain (V/V) 1 Slew rate (typ) (V/µs) 25 Vn at flatband (typ) (nV√Hz) 4.5 Vn at 1 kHz (typ) (nV√Hz) 4.5 Iq per channel (typ) (mA) 4.6 Vos (offset voltage at 25°C) (max) (mV) 0.2 Rail-to-rail In, Out Features Zero Crossover Rating Catalog Operating temperature range (°C) -40 to 125 CMRR (typ) (dB) 120 Input bias current (max) (pA) 10 Offset drift (typ) (µV/°C) 1 Iout (typ) (mA) 65 2nd harmonic (dBc) 81 3rd harmonic (dBc) 93 Frequency of harmonic distortion measurement (MHz) 1
SOIC (D) 8 29.4 mm² 4.9 x 6 SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • Gain bandwidth: 50 MHz
  • Zerø-crossover distortion topology:
    • Excellent THD+N: 0.0004%
    • CMRR: 100 dB (minimum)
    • Rail-to-rail input and output
      • Input 100 mV beyond supply rail
  • Low noise: 4.5 nV/√ Hz at 100 kHz
  • Slew rate: 25 V/µs
  • Fast settling: 0.3 µs to 0.01%
  • Precision:
    • Low offset: 100 µV
    • Low input bias current: 0.2 pA
  • 2.2-V to 5.5-V operation
  • Gain bandwidth: 50 MHz
  • Zerø-crossover distortion topology:
    • Excellent THD+N: 0.0004%
    • CMRR: 100 dB (minimum)
    • Rail-to-rail input and output
      • Input 100 mV beyond supply rail
  • Low noise: 4.5 nV/√ Hz at 100 kHz
  • Slew rate: 25 V/µs
  • Fast settling: 0.3 µs to 0.01%
  • Precision:
    • Low offset: 100 µV
    • Low input bias current: 0.2 pA
  • 2.2-V to 5.5-V operation

The OPA365 and OPA2365 (OPAx365) zerø-crossover series, rail-to-rail, high-performance, CMOS operational amplifiers are optimized for very low voltage, single-supply applications. Rail-to-rail input or output, low-noise (4.5 nV/√ Hz), and high-speed operation (50-MHz gain bandwidth) make these devices an excellent choice for driving sampling analog-to-digital converters (ADCs). Applications include audio, signal conditioning, and sensor amplification.

Special features include an excellent common-mode rejection ratio (CMRR), no input stage crossover distortion, high input impedance, and rail-to-rail input and output swing. The input common-mode range includes both the negative and positive supplies. The output voltage swing is within 10 mV of the rails.

The OPA365 (single version) is available in the micro-size SOT23-5 (SOT-5) and SOIC-8 packages. The OPA2365 (dual version) is offered in the SOIC-8 package. All versions are specified for operation from −40°C to +125°C. Single and dual versions have identical specifications for maximum design flexibility.

The OPA365 and OPA2365 (OPAx365) zerø-crossover series, rail-to-rail, high-performance, CMOS operational amplifiers are optimized for very low voltage, single-supply applications. Rail-to-rail input or output, low-noise (4.5 nV/√ Hz), and high-speed operation (50-MHz gain bandwidth) make these devices an excellent choice for driving sampling analog-to-digital converters (ADCs). Applications include audio, signal conditioning, and sensor amplification.

Special features include an excellent common-mode rejection ratio (CMRR), no input stage crossover distortion, high input impedance, and rail-to-rail input and output swing. The input common-mode range includes both the negative and positive supplies. The output voltage swing is within 10 mV of the rails.

The OPA365 (single version) is available in the micro-size SOT23-5 (SOT-5) and SOIC-8 packages. The OPA2365 (dual version) is offered in the SOIC-8 package. All versions are specified for operation from −40°C to +125°C. Single and dual versions have identical specifications for maximum design flexibility.
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技術文件

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重要文件 類型 標題 格式選項 日期
* Data sheet OPAx365 50-MHz, Zerø-Crossover, Low-Distortion, High-CMRR, RRI/O, Single-Supply Operational Amplifiers datasheet (Rev. G) PDF | HTML 2023年 5月 17日
Circuit design PWM generator circuit (Rev. B) PDF | HTML 2024年 10月 16日
Circuit design Antialiasing filter circuit design for single-ended ADC input using fixed cutoff (Rev. B) PDF | HTML 2024年 9月 24日
Circuit design Circuit for differential output from a single-ended precision DAC (Rev. A) PDF | HTML 2024年 9月 19日
Circuit design Driving a low-voltage single-ended SAR ADC circuit with high-voltage input (Rev. A) PDF | HTML 2024年 9月 19日
Circuit design Inverting circuit for high-to-low voltage level translation to drive ADC (Rev. A) PDF | HTML 2024年 9月 19日
Technical article 高頻共振轉換器設計考量，第 2 部分 PDF | HTML 2024年 3月 15日
White paper Op Amp Input and Output Swing Limitations PDF | HTML 2023年 12月 7日
Application brief Zero-crossover Amplifiers: Features and Benefits (Rev. B) PDF | HTML 2023年 11月 8日
Application note AN-31 Amplifier Circuit Collection (Rev. D) 2020年 10月 21日
Application brief Increase Measurement Accuracy With HS Amps for Low-Side Shunt Current Monitoring (Rev. A) 2019年 8月 26日
E-book The Signal e-book: A compendium of blog posts on op amp design topics 2017年 3月 28日
E-book The Best of Baker's Best – Amplifiers eBook 2014年 1月 14日
Application note Low Power Input and Reference Driver Circuit for ADS8318 and ADS8319 2009年 6月 24日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

DEM-OPA-SO-1A — 適用於 SO-8 封裝的單路運算放大器評估模組

The DEM-OPA-SO-1A demonstration fixture helps designers evaluate the operation and performance of TI's High Speed, Wide Bandwidth Operational Amplifiers. This unpopulated PC board is compatible with products offered in the 8-lead SOIC (D) package.

使用指南: PDF
TI.com 無法提供
開發板

DEM-OPA-SOT-1A — 適用於 SOT-23 5 針腳和 6 針腳封裝的單路運算放大器評估模組

DEM-OPA-SOT-1A 是一種展示電路板，用於評估高速、寬頻運算放大器的運作和性能。此未組裝的 PC 電路板與採用小型電晶體 (SOT) DBV 封裝的產品相容。

使用指南: PDF
TI.com 無法提供
模擬型號

OPA365 PSpice Model (Rev. A)

SBOC133A.ZIP (200 KB) - PSpice Model
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模擬型號

OPA365 TINA-TI Reference Design (Rev. A)

SBOC134A.TSC (66 KB) - TINA-TI Reference Design
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模擬型號

OPA365 TINA-TI Spice Model

SBOM203.TSM (5 KB) - TINA-TI Spice Model
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計算工具

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)

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計算工具

VOLT-DIVIDER-CALC — Voltage divider calculation tool

The voltage divider calculation tool (VOLT-DIVIDER-CALC) quickly determines a set of resistors for a voltage divider. This KnowledgeBase JavaScript utility can be used to find a set of resistors for a voltage divider to achieve the desired output voltage. VOLT-DIVIDER-CALC can also be used to (...)
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設計工具

SBAM419 — Source Files for SBAA344

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設計工具

SBOC552 — Simulation for Pulse Width Modulator in AN-31

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模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI 是有助於評估類比電路功能的設計和模擬環境。這款全功能設計和模擬套件使用 Cadence® 的類比分析引擎。PSpice for TI 包括業界最大的模型庫之一，涵蓋我們的類比和電源產品組合，以及特定類比行為模型，且使用無需支付費用。

PSpice for TI 設計和模擬環境可讓您使用其內建函式庫來模擬複雜的混合訊號設計。在進行佈局和製造之前，建立完整的終端設備設計和解決方案原型，進而縮短上市時間並降低開發成本。 

在 PSpice for TI 設計與模擬工具中，您可以搜尋 TI (...)
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模擬工具

TINA-TI — 基於 SPICE 的類比模擬程式

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
使用指南: PDF
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許多 TI 參考設計包含 OPA365

使用我們的參考設計選擇工具，以檢視並找出最適合您的應用和參數的設計。

檢視參考設計
封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOIC (D) 8 Ultra Librarian
SOT-23 (DBV) 5 Ultra Librarian
適用 TI 的評估品項標準條款與條件。

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內含資訊：
  • RoHS
  • REACH
  • 產品標記
  • 鉛塗層/球物料
  • MSL 等級/回焊峰值
  • MTBF/FIT 估算值
  • 材料內容
  • 認證摘要
  • 進行中的可靠性監測
內含資訊：
  • 晶圓廠位置
  • 組裝地點

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