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運算放大器 (op amps)
精密運算放大器 (Vos < 1mV)

LMV641

現行

10 MHz、12V、低功耗放大器

立即訂購
產品規格表

LMV641

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) (max) (V) 12 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Vos (offset voltage at 25°C) (max) (mV) 0.5 Offset drift (typ) (µV/°C) 0.1 Input bias current (max) (pA) 90000 GBW (typ) (MHz) 10 Features Small Size Slew rate (typ) (V/µs) 1.6 Rail-to-rail In to V-, Out Iq per channel (typ) (mA) 0.158 Vn at 1 kHz (typ) (nV√Hz) 14 CMRR (typ) (dB) 120 Rating Catalog Operating temperature range (°C) -40 to 125 Iout (typ) (A) 0.026 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 0 Input common mode headroom (to positive supply) (typ) (V) -0.9 Output swing headroom (to negative supply) (typ) (V) 0.032 Output swing headroom (to positive supply) (typ) (V) -0.037 THD + N at 1 kHz (typ) (%) 0.002
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Vos (offset voltage at 25°C) (max) (mV) 0.5 Offset drift (typ) (µV/°C) 0.1 Input bias current (max) (pA) 90000 GBW (typ) (MHz) 10 Features Small Size Slew rate (typ) (V/µs) 1.6 Rail-to-rail In to V-, Out Iq per channel (typ) (mA) 0.158 Vn at 1 kHz (typ) (nV√Hz) 14 CMRR (typ) (dB) 120 Rating Catalog Operating temperature range (°C) -40 to 125 Iout (typ) (A) 0.026 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 0 Input common mode headroom (to positive supply) (typ) (V) -0.9 Output swing headroom (to negative supply) (typ) (V) 0.032 Output swing headroom (to positive supply) (typ) (V) -0.037 THD + N at 1 kHz (typ) (%) 0.002
SOT-SC70 (DCK) 5 4.2 mm² (2 mm × 2.1 mm) SOT-23 (DBV) 5 8.12 mm² (2.9 mm × 2.8 mm) SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • Specified for 2.7-V, and ±5-V Performance
  • Low Power Supply Current: 138 µA
  • High Unity Gain Bandwidth: 10 MHz
  • Max Input Offset Voltage: 500 µV
  • CMRR: 120 dB
  • PSRR: 105 dB
  • Input Referred Voltage Noise: 14 nV/√Hz
  • 1/f Corner Frequency: 4 Hz
  • Output Swing With 2-kΩ Load 40 mV from Rail
  • Total Harmonic Distortion: 0.002% at 1 kHz, 2 kΩ
  • Temperature Range –40°C to 125°C
  • Specified for 2.7-V, and ±5-V Performance
  • Low Power Supply Current: 138 µA
  • High Unity Gain Bandwidth: 10 MHz
  • Max Input Offset Voltage: 500 µV
  • CMRR: 120 dB
  • PSRR: 105 dB
  • Input Referred Voltage Noise: 14 nV/√Hz
  • 1/f Corner Frequency: 4 Hz
  • Output Swing With 2-kΩ Load 40 mV from Rail
  • Total Harmonic Distortion: 0.002% at 1 kHz, 2 kΩ
  • Temperature Range –40°C to 125°C

The LMV641 is a low-power, wide-bandwidth operational amplifier with an extended power supply voltage range of 2.7 V to 12 V.

The device features 10 MHz of gain bandwidth product with unity gain stability on a typical supply current of 138 µA. Other key specifications are a PSRR of 105 dB, CMRR of 120 dB, VOS of 500 µV, input referred voltage noise of 14 nV/√Hz, and a THD of 0.002%. This amplifier has a rail-to-rail output stage and a common mode input voltage, which includes the negative supply.

The LMV641 device operates over a temperature range of –40°C to +125°C and is offered in the board-space-saving 5-Pin SC70, SOT-23, and 8-Pin SOIC packages.

The LMV641 is a low-power, wide-bandwidth operational amplifier with an extended power supply voltage range of 2.7 V to 12 V.

The device features 10 MHz of gain bandwidth product with unity gain stability on a typical supply current of 138 µA. Other key specifications are a PSRR of 105 dB, CMRR of 120 dB, VOS of 500 µV, input referred voltage noise of 14 nV/√Hz, and a THD of 0.002%. This amplifier has a rail-to-rail output stage and a common mode input voltage, which includes the negative supply.

The LMV641 device operates over a temperature range of –40°C to +125°C and is offered in the board-space-saving 5-Pin SC70, SOT-23, and 8-Pin SOIC 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 LMV641 10-MHz, 12-V, Low-Power Amplifier datasheet (Rev. D) PDF | HTML 2016/2/4
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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模擬型號

LMV641 PSpice Model (Rev. D)

SNOM063D.ZIP (30 KB) - PSpice 模型
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模擬型號

LMV641 TINA-TI Reference Design (Rev. B)

SNOM659B (305 KB) - TINA-TI 參考設計
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模擬型號

LMV641 TINA-TI Spice Model (Rev. B)

SNOM658B.ZIP (11 KB) - TINA-TI Spice 模型
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計算工具

OPAMP-NOISECALC — Noise Calculator

This folder contains three tools to help in understandning and managing noise in cicuits. The included tools are:

  • A noise generator tool - This is a Lab View 4-Run Time executable that generates Gaussian white noise, uniform white noise, 1/f noise, short noise, and 60Hz line noise. Temporal data, (...)
支援產品和硬體
封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOT-SC70 (DCK) 5 Ultra Librarian
SOT-23 (DBV) 5 Ultra Librarian
SOIC (D) 8 Ultra Librarian
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