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運算放大器 (op amps)
一般用途運算放大器

LMV552

現行

雙路、5.5-V、3-MHz、低靜態電流 (37-μA) 運算放大器

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產品規格表

現在提供此產品的更新版本

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
OPA2310 現行 雙通道、5.5-V、3-MHz 高輸出電流 (150-mA) 快速關機 (1-μs) 運算放大器 Better accuracy (1.4mV Vos max), rail-to-rail inputs and outputs, smaller packages, higher power consumption

LMV552

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) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Rail-to-rail In to V-, Out GBW (typ) (MHz) 3 Slew rate (typ) (V/µs) 1 Vos (offset voltage at 25°C) (max) (mV) 3 Iq per channel (typ) (mA) 0.037 Vn at 1 kHz (typ) (nV√Hz) 70 Rating Catalog Operating temperature range (°C) -40 to 125 Offset drift (typ) (µV/°C) 3.3 Input bias current (max) (pA) 38000 CMRR (typ) (dB) 93 Iout (typ) (A) 0.01 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) 0.06 Output swing headroom (to positive supply) (typ) (V) -0.07
Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Rail-to-rail In to V-, Out GBW (typ) (MHz) 3 Slew rate (typ) (V/µs) 1 Vos (offset voltage at 25°C) (max) (mV) 3 Iq per channel (typ) (mA) 0.037 Vn at 1 kHz (typ) (nV√Hz) 70 Rating Catalog Operating temperature range (°C) -40 to 125 Offset drift (typ) (µV/°C) 3.3 Input bias current (max) (pA) 38000 CMRR (typ) (dB) 93 Iout (typ) (A) 0.01 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) 0.06 Output swing headroom (to positive supply) (typ) (V) -0.07
VSSOP (DGK) 8 14.7 mm² 3 x 4.9
  • Specified 3-V and 5-V Performance
  • High Unity Gain Bandwidth 3 MHz
  • Supply Current (Per Amplifier) 37 µA
  • CMRR 93 dB
  • PSRR 90 dB
  • Slew Rate 1 V/µs
  • Output Swing With 100-kΩ Load 70 mV From Rail
  • Total Harmonic Distortion: 0.003% at 1 kHz, 2 kΩ
  • Temperature Range: –40°C to 125°C
  • Specified 3-V and 5-V Performance
  • High Unity Gain Bandwidth 3 MHz
  • Supply Current (Per Amplifier) 37 µA
  • CMRR 93 dB
  • PSRR 90 dB
  • Slew Rate 1 V/µs
  • Output Swing With 100-kΩ Load 70 mV From Rail
  • Total Harmonic Distortion: 0.003% at 1 kHz, 2 kΩ
  • Temperature Range: –40°C to 125°C

The LMV55x are high-performance, low-power operational amplifiers implemented with TI’s advanced VIP50 process. They feature 3 MHz of bandwidth while consuming only 37 µA of current per amplifier, which is an exceptional bandwidth to power ratio in this op amp class. These ultra-low power amplifiers are unity gain stable and provide an excellent solution for ultra-low power applications requiring a wide bandwidth.

The LMV55x have a rail-to-rail output stage and an input common mode range that extends below ground.

The LMV55x have an operating supply voltage range from 2.7 V to 5.5 V. These amplifiers can operate over a wide temperature range (–40°C to 125°C), making them a great choice for automotive applications, sensor applications as well as portable instrumentation applications. The LMV551 is offered in the ultra tiny 5-Pin SC70 and 5-Pin SOT-23 package. The LMV552 is offered in an 8-Pin VSSOP package. The LMV554 is offered in the 14-Pin TSSOP.

The LMV55x are high-performance, low-power operational amplifiers implemented with TI’s advanced VIP50 process. They feature 3 MHz of bandwidth while consuming only 37 µA of current per amplifier, which is an exceptional bandwidth to power ratio in this op amp class. These ultra-low power amplifiers are unity gain stable and provide an excellent solution for ultra-low power applications requiring a wide bandwidth.

The LMV55x have a rail-to-rail output stage and an input common mode range that extends below ground.

The LMV55x have an operating supply voltage range from 2.7 V to 5.5 V. These amplifiers can operate over a wide temperature range (–40°C to 125°C), making them a great choice for automotive applications, sensor applications as well as portable instrumentation applications. The LMV551 is offered in the ultra tiny 5-Pin SC70 and 5-Pin SOT-23 package. The LMV552 is offered in an 8-Pin VSSOP package. The LMV554 is offered in the 14-Pin TSSOP.
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類型 標題 日期
* Data sheet LMV55x 3-MHz, Micropower RRO Amplifiers datasheet (Rev. H) PDF | HTML 2016年 2月 9日
E-book The Signal e-book: A compendium of blog posts on op amp design topics 2017年 3月 28日

設計與開發

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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 (...)

使用指南: PDF
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模擬型號

LMV552 PSPICE Model

SNOM061.ZIP (2 KB) - PSpice Model
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計算工具

ANALOG-ENGINEER-CALC — 類比工程師計算機

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 op-amp gain with feedback (...)
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設計工具

CIRCUIT060013 — 具有 T 網路回饋電路的反相放大器

此設計可反轉輸入訊號 VIN，並使用 1000 V/V 或 60 dB 訊號增益。具有 T 回饋網路的反相放大器可在沒有較小 R4 值或超大回饋電阻器值的情況下獲得高增益。
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設計工具

CIRCUIT060015 — 可調式參考電壓電路

此電路結合反相及非反相放大器，讓參考電壓可從負輸入電壓向上調整至輸入電壓。可加入增益以提高最大負參考位準。
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設計工具

CIRCUIT060074 — 具有比較器電路的高壓側電流感測

此高壓側電流感測解決方案使用一個具有軌對軌輸入共模範圍的比較器，若負載電流上升到 1 A 以上，便在比較器輸出 (COMP OUT) 建立過電流警示 (OC 警示) 訊號。此實作中的 OC 訊號為低電位作動。因此當超過 1-A 閾值時，比較器輸出會變低。實作磁滯後會在負載電流降低至 0.5 A (減少 50%) 時，讓 OC-Alert 返回邏輯高狀態。此電路利用開漏輸出比較器，為控制數位邏輯輸入針腳而進行電平轉換輸出高邏輯電平。對於需要驅動 MOSFET 開關閘極的應用，建議使用具推挽輸出的比較器。
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模擬工具

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

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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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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封裝 針腳 CAD 符號、佔位空間與 3D 模型
VSSOP (DGK) 8 Ultra Librarian
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