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放大器
運算放大器 (op amps)
一般用途運算放大器

LMV324A

現行

四路、5.5-V、1-MHz、4-mV 偏移電壓、RRO 運算放大器

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產品規格表

LMV324A

現行
立即訂購

產品詳細資料

Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.5 Rail-to-rail In to V-, Out GBW (typ) (MHz) 1 Slew rate (typ) (V/µs) 1.7 Vos (offset voltage at 25°C) (max) (mV) 4 Iq per channel (typ) (mA) 0.08 Vn at 1 kHz (typ) (nV√Hz) 30 Rating Catalog Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Offset drift (typ) (µV/°C) 1 Features Cost Optimized, EMI Hardened, Small Size, Standard Amps CMRR (typ) (dB) 77 Iout (typ) (A) 0.04 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.1 Input common mode headroom (to positive supply) (typ) (V) -1 Output swing headroom (to negative supply) (typ) (V) 0.02 Output swing headroom (to positive supply) (typ) (V) -0.02
Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.5 Rail-to-rail In to V-, Out GBW (typ) (MHz) 1 Slew rate (typ) (V/µs) 1.7 Vos (offset voltage at 25°C) (max) (mV) 4 Iq per channel (typ) (mA) 0.08 Vn at 1 kHz (typ) (nV√Hz) 30 Rating Catalog Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Offset drift (typ) (µV/°C) 1 Features Cost Optimized, EMI Hardened, Small Size, Standard Amps CMRR (typ) (dB) 77 Iout (typ) (A) 0.04 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.1 Input common mode headroom (to positive supply) (typ) (V) -1 Output swing headroom (to negative supply) (typ) (V) 0.02 Output swing headroom (to positive supply) (typ) (V) -0.02
SOIC (D) 14 51.9 mm² (8.65 mm × 6 mm) SOT-23-THN (DYY) 14 13.692 mm² (4.2 mm × 3.26 mm) TSSOP (PW) 14 32 mm² (5 mm × 6.4 mm)
  • Low input offset voltage: ±1mV
  • Rail-to-rail output
  • Unity-gain bandwidth: 1MHz
  • Low broadband noise: 30nV/√ Hz
  • Low input bias current: 10pA
  • Low quiescent current: 70µA/Ch
  • Unity-gain stable
  • Internal RFI and EMI filter
  • Operational at supply voltages as low as 2.5V
  • Easier to stabilize with higher capacitive load due to resistive open-loop output impedance
  • Extended temperature range: –40°C to 125°C
  • Low input offset voltage: ±1mV
  • Rail-to-rail output
  • Unity-gain bandwidth: 1MHz
  • Low broadband noise: 30nV/√ Hz
  • Low input bias current: 10pA
  • Low quiescent current: 70µA/Ch
  • Unity-gain stable
  • Internal RFI and EMI filter
  • Operational at supply voltages as low as 2.5V
  • Easier to stabilize with higher capacitive load due to resistive open-loop output impedance
  • Extended temperature range: –40°C to 125°C

The LMV3xxA family includes single (LMV321A), dual (LMV358A), and quad-channel (LMV324A) low-voltage (2.5V to 5.5V) operational amplifiers (op amps) with rail-to-rail output swing capabilities. These op amps provide a cost-effective solution for space-constrained applications such as large appliances, smoke detectors, and personal electronics where low-voltage operation and high capacitive-load drive are required. The capacitive-load drive of the LMV3xxA family is 500pF, and the resistive open-loop output impedance makes stabilization easier with much higher capacitive loads. These op amps are designed specifically for low-voltage operation (2.5V to 5.5V) with performance specifications similar to the LMV3xx devices.

The robust design of the LMV3xxA family simplifies circuit design. The op amps feature unity-gain stability, an integrated RFI and EMI rejection filter, and no-phase reversal in overdrive conditions.

The LMV3xxA family is available in industry-standard packages such as SOIC, MSOP, SOT-23, and TSSOP packages.

The LMV3xxA family includes single (LMV321A), dual (LMV358A), and quad-channel (LMV324A) low-voltage (2.5V to 5.5V) operational amplifiers (op amps) with rail-to-rail output swing capabilities. These op amps provide a cost-effective solution for space-constrained applications such as large appliances, smoke detectors, and personal electronics where low-voltage operation and high capacitive-load drive are required. The capacitive-load drive of the LMV3xxA family is 500pF, and the resistive open-loop output impedance makes stabilization easier with much higher capacitive loads. These op amps are designed specifically for low-voltage operation (2.5V to 5.5V) with performance specifications similar to the LMV3xx devices.

The robust design of the LMV3xxA family simplifies circuit design. The op amps feature unity-gain stability, an integrated RFI and EMI rejection filter, and no-phase reversal in overdrive conditions.

The LMV3xxA family is available in industry-standard packages such as SOIC, MSOP, SOT-23, and TSSOP packages.
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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 LMV3xxA Low-Voltage Rail-to-Rail Output Operational Amplifiers datasheet (Rev. I) PDF | HTML 2024/7/22
電子書 An Engineer’s Guide to Designing with Precision Amplifiers 2021/4/29

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

DYY-AMP-EVM — 適用於採用 DYY 封裝之運算放大器的評估模組

DYY-AMP-EVM 是一款評估模組 (EVM)，可測試採用 DYY-14 (SOT-23 THN) 封裝的運算放大器性能。此 EVM 可輕鬆配置為反相放大器、非反相放大器及差動放大器，讓工程師能快速評估並驗證設計概念。

使用指南: PDF | HTML
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模擬型號

LMV358A PSpice Model (Rev. B)

SBOMAM9B.ZIP (22 KB) - PSpice 模型
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模擬型號

LMV358A TINA-TI Reference Design Model

SBOMAN0.ZIP (42 KB) - TINA-TI 參考設計
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模擬型號

LMV358A TINA-TI Spice Model

SBOMAN1.ZIP (4 KB) - TINA-TI Spice 模型
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參考設計

TIDA-010266 — 低成本血壓和心律監測儀參考設計

此參考設計適用於低成本電子血壓監測器 (BPM) 或血壓計，著重於使用我們的微控制器 (MCU) 整合截波放大器和小型外部放大器實現低雜訊性能。此設計針對可攜式電池供電設備，並展示了如何利用具有整合精密類比功能的 MSPM0L1306 來降低成本和減少外部元件。設計人員可以改用 INA350 來評估替代的低成本架構，並使用提供的圖形使用者介面 (GUI) 測試我們最小的馬達和泵驅動器 DRV8210。
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOIC (D) 14 Ultra Librarian
SOT-23-THN (DYY) 14 Ultra Librarian
TSSOP (PW) 14 Ultra Librarian
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