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運算放大器 (op amps)
一般用途運算放大器

OPA2137

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雙路、36-V、1-MHz 運算放大器

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OPA2990 現行 雙路、40-V、1.1-MHz、低功耗運算放大器 Pin-to-pin upgrade with improved performance: lower Vos(1.5mV), higher slew rate(4.5V/us) and output current(80mA)

OPA2137

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4.5 Rail-to-rail In to V+ GBW (typ) (MHz) 1 Slew rate (typ) (V/µs) 3.5 Vos (offset voltage at 25°C) (max) (mV) 3 Iq per channel (typ) (mA) 0.22 Vn at 1 kHz (typ) (nV√Hz) 45 Rating Catalog Operating temperature range (°C) -40 to 85 Offset drift (typ) (µV/°C) 15 Input bias current (max) (pA) 100 CMRR (typ) (dB) 84 Iout (typ) (A) 0.025 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) 3 Input common mode headroom (to positive supply) (typ) (V) 0 Output swing headroom (to negative supply) (typ) (V) 1.2 Output swing headroom (to positive supply) (typ) (V) -1.1
Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4.5 Rail-to-rail In to V+ GBW (typ) (MHz) 1 Slew rate (typ) (V/µs) 3.5 Vos (offset voltage at 25°C) (max) (mV) 3 Iq per channel (typ) (mA) 0.22 Vn at 1 kHz (typ) (nV√Hz) 45 Rating Catalog Operating temperature range (°C) -40 to 85 Offset drift (typ) (µV/°C) 15 Input bias current (max) (pA) 100 CMRR (typ) (dB) 84 Iout (typ) (A) 0.025 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) 3 Input common mode headroom (to positive supply) (typ) (V) 0 Output swing headroom (to negative supply) (typ) (V) 1.2 Output swing headroom (to positive supply) (typ) (V) -1.1
SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm) VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm) PDIP (P) 8 92.5083 mm² (9.81 mm × 9.43 mm)
  • FET Input: IB = ±10pA
  • Low offset voltage: ±300mV
  • Wide supply range: ±2.25 V to ±18 V
  • Low quiescent current: 120µA/channel
  • Excellent speed/power: 1.1MHz
  • Input to positive supply
  • Single, dual, and quad
  • FET Input: IB = ±10pA
  • Low offset voltage: ±300mV
  • Wide supply range: ±2.25 V to ±18 V
  • Low quiescent current: 120µA/channel
  • Excellent speed/power: 1.1MHz
  • Input to positive supply
  • Single, dual, and quad

OPA137 series FET- input operational amplifiers are designed for low cost and miniature applications. In addition to small size (SOT-23-5 and MSOP-8 packages), amplifiers provide low input bias current (±10pA), low quiescent current (120µA/ channel), and high open-loop gain (145dB).

Either single (+4.5V to +36V) or dual (±2.25V to ±18V) supplies can be used. The input common-mode voltage range includes the positive supply an excellent choice for many single-supply applications. Single, dual, and quad versions have identical specifications for maximum design flexibility.

OPA137 op amps are easy to use and free from phase inversion and overload problems found in some FET- input amplifiers. High performance, including linearity, is maintained as the amplifiers swing to the specified limits. In addition, the combination of high slew rate (4.5V/µs) and wide bandwidth (1.1MHz) provide fast settling time verifies good dynamic response. Dual and quad designs feature completely independent circuitry for lowest crosstalk and freedom from interaction.

The single (OPA137) packages are the tiny 5-lead SOT-23-5 surface mount, SO-8 surface mount, and 8-pin DIP. The dual (OPA2137) comes in the miniature MSOP-8 surface mount, and the SO-8 surface mount. The quad (OPA4137) packages are the SO-14 surface mount and the 14-pin DIP. All are specified from – 40°C to +85°C and operate from – 55°C to +125°C. A SPICE macro-model is available for design analysis.

OPA137 series FET- input operational amplifiers are designed for low cost and miniature applications. In addition to small size (SOT-23-5 and MSOP-8 packages), amplifiers provide low input bias current (±10pA), low quiescent current (120µA/ channel), and high open-loop gain (145dB).

Either single (+4.5V to +36V) or dual (±2.25V to ±18V) supplies can be used. The input common-mode voltage range includes the positive supply an excellent choice for many single-supply applications. Single, dual, and quad versions have identical specifications for maximum design flexibility.

OPA137 op amps are easy to use and free from phase inversion and overload problems found in some FET- input amplifiers. High performance, including linearity, is maintained as the amplifiers swing to the specified limits. In addition, the combination of high slew rate (4.5V/µs) and wide bandwidth (1.1MHz) provide fast settling time verifies good dynamic response. Dual and quad designs feature completely independent circuitry for lowest crosstalk and freedom from interaction.

The single (OPA137) packages are the tiny 5-lead SOT-23-5 surface mount, SO-8 surface mount, and 8-pin DIP. The dual (OPA2137) comes in the miniature MSOP-8 surface mount, and the SO-8 surface mount. The quad (OPA4137) packages are the SO-14 surface mount and the 14-pin DIP. All are specified from – 40°C to +85°C and operate from – 55°C to +125°C. A SPICE macro-model is available for design analysis.
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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 OPA137, OPA2137, OPA4137 Low Cost FET-Input Operational Amplifiers Micro Amplifier™ Series datasheet (Rev. A) PDF | HTML 2026/3/30
電子書 The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML 2017/3/28

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

AMP-PDK-EVM — 放大器性能開發套件評估模組

放大器性能開發套件 (PDK) 是一款評估模組 (EVM) 套件，可測試通用運算放大器 (op amp) 參數，並與大多數運算放大器和比較器相容。EVM 套件提供主板和多個插槽式子卡選項，可滿足封裝需求，使工程師能夠快速評估和驗證裝置性能。

AMP-PDK-EVM 套件支援五種最熱門的業界標準封裝，包括：

  • D (SOIC-8 和 SOIC-14)
  • PW (TSSOP-14)
  • DGK (VSSOP-8)
  • DBV (SOT23-5 和 SOT23-6)
  • DCK (SC70-5 和 SC70-6)
使用指南: PDF | HTML
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開發板

DIP-ADAPTER-EVM — DIP 轉接器評估模組

Speed up your op amp prototyping and testing with the DIP-Adapter-EVM, which provides a fast, easy and inexpensive way to interface with small, surface-mount ICs. You can connect any supported op amp using the included Samtec terminal strips or wire them directly to existing circuits.

The (...)

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開發板

DUAL-DIYAMP-EVM — 用於 SOIC 封裝的雙通道通用自製 (DIY) 放大器電路評估模組

DUAL-DIYAMP-EVM 是一系列評估模組 (EVM)，提供工程師與自組愛好者 (DIYer) 實作型放大器電路，協助快速評估設計概念並驗證模擬結果。其是專為採用業界標準 SOIC-8 封裝的雙封裝運算放大器而設計。其可實現反向及非反向放大器、Sallen key 濾波器、多回饋濾波器、含參考緩衝器的差動放大器、含雙回饋的 Riso、單端輸入至差動輸出、差動輸入至差動輸出、雙運算放大器儀器放大器和並聯運算放大器。

DUAL-DIYAMP-EVM 可快速製作電路原型，並採用常見的 0805 或 0603 表面裝載元件。透過多種組合方式，此 EVM (...)

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模擬型號

OPA137 TINA-TI Reference Design (Rev. C)

SBOC186C.TSC (137 KB) - TINA-TI 參考設計
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模擬型號

OPA2137 PSpice Model

SBJM005.ZIP (40 KB) - PSpice 模型
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模擬型號

OPA2137 TINA-TI Reference Design

SBJM004.TSC (111 KB) - TINA-TI 參考設計
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模擬型號

OPA2137 TINA-TI Spice Model

SBJM003.ZIP (3 KB) - TINA-TI Spice 模型
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計算工具

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

類比工程師的計算機旨在加速類比電路設計工程師定期使用的許多重複計算。此基於 PC 的工具提供圖形介面，列出各種常見計算，從使用回饋電阻器設定運算放大器增益到選擇適當的電路設計元件以穩定類比數位轉換器 (ADC) 驅動緩衝電路。

除了作為獨立工具使用外，此計算機還與類比工程師口袋參考中描述的概念相得益彰。

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封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOIC (D) 8 Ultra Librarian
VSSOP (DGK) 8 Ultra Librarian
PDIP (P) 8 Ultra Librarian
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