首頁 放大器 運算放大器 (op amps) 功率運算放大器
首頁
放大器
運算放大器 (op amps)
功率運算放大器

OPA445

現行

高電壓 FET 輸入運算放大器

立即訂購
產品規格表

OPA445

現行
產品規格表 立即訂購

產品詳細資料

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 20 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 90 Iout (typ) (A) 0.026 GBW (typ) (MHz) 2 Slew rate (typ) (V/µs) 15 Vos (offset voltage at 25°C) (max) (mV) 3 Offset drift (typ) (V/°C) 0.00001 Iq per channel (typ) (mA) 4.2 Rating Catalog, Military Operating temperature range (°C) -55 to 125 Input bias current (max) (pA) 50 CMRR (typ) (dB) 95 Rail-to-rail No Architecture FET
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 20 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 90 Iout (typ) (A) 0.026 GBW (typ) (MHz) 2 Slew rate (typ) (V/µs) 15 Vos (offset voltage at 25°C) (max) (mV) 3 Offset drift (typ) (V/°C) 0.00001 Iq per channel (typ) (mA) 4.2 Rating Catalog, Military Operating temperature range (°C) -55 to 125 Input bias current (max) (pA) 50 CMRR (typ) (dB) 95 Rail-to-rail No Architecture FET
HSOIC (DDA) 8 29.4 mm² 4.9 x 6 PDIP (P) 8 92.5083 mm² 9.81 x 9.43 SOIC (D) 8 29.4 mm² 4.9 x 6 TO-CAN (LMC) 8 80.2816 mm² 8.96 x 8.96
  • WIDE-POWER SUPPLY RANGE: ±10V to ±45V
  • HIGH SLEW RATE: 15V/µs
  • LOW INPUT BIAS CURRENT: 10pA
  • STANDARD-PINOUT TO-99, DIP, SO-8 PowerPAD™, AND SO-8 SURFACE-MOUNT PACKAGES
  • APPLICATIONS
    • TEST EQUIPMENT
    • HIGH-VOLTAGE REGULATORS
    • POWER AMPLIFIERS
    • DATA ACQUISITION
    • SIGNAL CONDITIONING
    • AUDIO
    • PIEZO DRIVERS

PowerPAD is a trademark of Texas Instruments, Inc. All other trademarks are the property of their respective owners.
  • WIDE-POWER SUPPLY RANGE: ±10V to ±45V
  • HIGH SLEW RATE: 15V/µs
  • LOW INPUT BIAS CURRENT: 10pA
  • STANDARD-PINOUT TO-99, DIP, SO-8 PowerPAD™, AND SO-8 SURFACE-MOUNT PACKAGES
  • APPLICATIONS
    • TEST EQUIPMENT
    • HIGH-VOLTAGE REGULATORS
    • POWER AMPLIFIERS
    • DATA ACQUISITION
    • SIGNAL CONDITIONING
    • AUDIO
    • PIEZO DRIVERS

PowerPAD is a trademark of Texas Instruments, Inc. All other trademarks are the property of their respective owners.

The OPA445 is a monolithic operational amplifier capable of operation from power supplies up to ±45V and output currents of 15mA. It is useful in a wide variety of applications requiring high output voltage or large common-mode voltage swings.

The OPA445's high slew rate provides wide powerbandwidth response, which is often required for high-voltage applications. FET input circuitry allows the use of high-impedance feedback networks, thus minimizing their output loading effects. Laser trimming of the input circuitry yields low input offset voltage and drift.

The OPA445 is available in standard pinout TO-99, DIP-8, and SO-8 surface-mount packages as well as an SO-8 PowerPAD package for reducing junction temperature. It is fully specified from -25°C to +85°C and operates from -55°C to +125°C. A SPICE macromodel is available for design analysis (from www.ti.com).

The OPA445 is a monolithic operational amplifier capable of operation from power supplies up to ±45V and output currents of 15mA. It is useful in a wide variety of applications requiring high output voltage or large common-mode voltage swings.

The OPA445's high slew rate provides wide powerbandwidth response, which is often required for high-voltage applications. FET input circuitry allows the use of high-impedance feedback networks, thus minimizing their output loading effects. Laser trimming of the input circuitry yields low input offset voltage and drift.

The OPA445 is available in standard pinout TO-99, DIP-8, and SO-8 surface-mount packages as well as an SO-8 PowerPAD package for reducing junction temperature. It is fully specified from -25°C to +85°C and operates from -55°C to +125°C. A SPICE macromodel is available for design analysis (from www.ti.com).
filter 尋找其它 功率運算放大器
下載 觀看有字幕稿的影片 影片

您可能會感興趣的類似產品

open-in-new 比較替代產品
引腳對引腳且具備與所比較裝置相同的功能
OPA454 現行 高電壓 (100 V) 和高電流 (50 mA) 運算放大器，g=1 穩定 This device offers a wider supply (100-V), higher current drive (50-mA), and lower drift (1.6-µV/⁰C)
OPA455 現行 150-V、高頻寬 6.5-MHz、高電壓轉換率 32-V/µs 均一增益穩定運算放大器 Higher voltage power amplifier
OPA462 現行 180V 高頻寬 (6.5MHz) 高轉換速率 (25V/µs) 單一增益穩定運算放大器 Higher voltage unity gain stable

技術文件

star =TI 所選的此產品重要文件
找不到結果。請清除您的搜尋條件，然後再試一次。
檢視所有 5
重要文件 類型 標題 格式選項 日期
* Data sheet High Voltage FET-Input Operational Amplifier datasheet (Rev. B) 2008年 4月 10日
E-book The Signal e-book: A compendium of blog posts on op amp design topics 2017年 3月 28日
Application note Optoelectronics Circuit Collection 2001年 6月 11日
Application note Boost Instrument Amp CMR With Common-Mode Driven Supplies 2000年 9月 27日
Application note Simple Circuit Delivers 38Vp-p at 5A from 28V Unipolar Supply 2000年 9月 27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)。

模擬型號

OPA445 PSpice Model (Rev. A)

SBOM079A.ZIP (37 KB) - PSpice Model
下載
模擬型號

OPA445 TINA-TI Reference Design (Rev. B)

SBOC107B.TSC (102 KB) - TINA-TI Reference Design
下載
模擬型號

OPA445 TINA-TI Spice Model (Rev. B)

SBOC212B.ZIP (3 KB) - TINA-TI Spice Model
下載
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 (...)

支援產品和硬體

支援產品和硬體
啟動 下載
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 (...)
要求
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
View Options
封裝 針腳 CAD 符號、佔位空間與 3D 模型
HSOIC (DDA) 8 Ultra Librarian
PDIP (P) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian
TO-CAN (LMC) 8 Ultra Librarian
適用 TI 的評估品項標準條款與條件。

訂購與品質

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

支援與培訓

內含 TI 工程師技術支援的 TI E2E™ 論壇

以英文檢視所有論壇主題

內容係由 TI 和社群貢獻者依「現狀」提供，且不構成 TI 規範。檢視使用條款。

若有關於品質、封裝或訂購 TI 產品的問題，請參閱 TI 支援。​​​​​​​​​​​​​​

影片