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運算放大器 (op amps)
一般用途運算放大器

LMV796-Q1

現行

汽車級、單路、5-V、17-MHz、低雜訊 (5.8-nV/√Hz) 運算放大器

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TLV9061-Q1 現行 車用單通道、5.5-V、10-MHz、軌至軌輸入和輸出運算放大器 Rail-to-rail I/O, wider supply range (1.8 V to 5.5 V), lower power (0.538 mA), higher output current (50 mA)

LMV796-Q1

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) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 1.8 Rail-to-rail In to V-, Out GBW (typ) (MHz) 17 Slew rate (typ) (V/µs) 9.5 Vos (offset voltage at 25°C) (max) (mV) 1.35 Iq per channel (typ) (mA) 1.15 Vn at 1 kHz (typ) (nV√Hz) 5.8 Rating Automotive Operating temperature range (°C) -40 to 125 Offset drift (typ) (µV/°C) 1 Input bias current (max) (pA) 1 CMRR (typ) (dB) 100 Iout (typ) (A) 0.021 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.3 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) -0.025
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 1.8 Rail-to-rail In to V-, Out GBW (typ) (MHz) 17 Slew rate (typ) (V/µs) 9.5 Vos (offset voltage at 25°C) (max) (mV) 1.35 Iq per channel (typ) (mA) 1.15 Vn at 1 kHz (typ) (nV√Hz) 5.8 Rating Automotive Operating temperature range (°C) -40 to 125 Offset drift (typ) (µV/°C) 1 Input bias current (max) (pA) 1 CMRR (typ) (dB) 100 Iout (typ) (A) 0.021 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.3 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) -0.025
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8

    (Typical 5V Supply, Unless Otherwise Noted)

  • Input Referred Voltage Noise 5.8 nV/√Hz
  • Input Bias Current 100 fA
  • Unity Gain Bandwidth 17 MHz
  • Supply Current per Channel
    • LMV796/LMV796Q 1.15 mA
    • LMV797 1.30 mA
  • Rail-to-Rail Output Swing
    • @ 10 kΩ Load 25 mV from Rail
    • @ 2 kΩ Load 45 mV from Rail
  • Guaranteed 2.5V and 5.0V Performance
  • Total Harmonic Distortion 0.01% @ 1kHz, 600Ω
  • Temperature Range −40°C to 125°C
  • LMV796Q is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified and is Manufactured on an Automotive Grade Flow.

All trademarks are the property of their respective owners.

    (Typical 5V Supply, Unless Otherwise Noted)

  • Input Referred Voltage Noise 5.8 nV/√Hz
  • Input Bias Current 100 fA
  • Unity Gain Bandwidth 17 MHz
  • Supply Current per Channel
    • LMV796/LMV796Q 1.15 mA
    • LMV797 1.30 mA
  • Rail-to-Rail Output Swing
    • @ 10 kΩ Load 25 mV from Rail
    • @ 2 kΩ Load 45 mV from Rail
  • Guaranteed 2.5V and 5.0V Performance
  • Total Harmonic Distortion 0.01% @ 1kHz, 600Ω
  • Temperature Range −40°C to 125°C
  • LMV796Q is an Automotive Grade Product that is AEC-Q100 Grade 1 Qualified and is Manufactured on an Automotive Grade Flow.

All trademarks are the property of their respective owners.

The LMV796/LMV796Q (Single) and the LMV797 (Dual) low noise, CMOS input operational amplifiers offer a low input voltage noise density of 5.8 nV/√Hz while consuming only 1.15 mA (LMV796/LMV796Q) of quiescent current. The LMV796/LMV796Q and LMV797 are unity gain stable op amps and have gain bandwidth of 17 MHz. The LMV796/LMV796Q/ LMV797 have a supply voltage range of 1.8V to 5.5V and can operate from a single supply. The LMV796/LMV796Q/LMV797 each feature a rail-to-rail output stage capable of driving a 600Ω load and sourcing as much as 60 mA of current.

The LMV796/LMV796Q family provides optimal performance in low voltage and low noise systems. A CMOS input stage, with typical input bias currents in the range of a few femtoAmperes, and an input common mode voltage range, which includes ground, make the LMV796/LMV796Q and the LMV797 ideal for low power sensor applications.

The LMV796/LMV796Q/LMV797 are manufactured using TI’s advanced VIP50 process. The LMV796/ LMV796Q are offered in 5–pin SOT-23 package. The LMV797 is offered in 8–pin VSSOP package.

The LMV796/LMV796Q (Single) and the LMV797 (Dual) low noise, CMOS input operational amplifiers offer a low input voltage noise density of 5.8 nV/√Hz while consuming only 1.15 mA (LMV796/LMV796Q) of quiescent current. The LMV796/LMV796Q and LMV797 are unity gain stable op amps and have gain bandwidth of 17 MHz. The LMV796/LMV796Q/ LMV797 have a supply voltage range of 1.8V to 5.5V and can operate from a single supply. The LMV796/LMV796Q/LMV797 each feature a rail-to-rail output stage capable of driving a 600Ω load and sourcing as much as 60 mA of current.

The LMV796/LMV796Q family provides optimal performance in low voltage and low noise systems. A CMOS input stage, with typical input bias currents in the range of a few femtoAmperes, and an input common mode voltage range, which includes ground, make the LMV796/LMV796Q and the LMV797 ideal for low power sensor applications.

The LMV796/LMV796Q/LMV797 are manufactured using TI’s advanced VIP50 process. The LMV796/ LMV796Q are offered in 5–pin SOT-23 package. The LMV797 is offered in 8–pin VSSOP package.
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類型 標題 日期
* Data sheet LMV796/LMV796Q/LMV797 17 MHz, Low Noise, CMOS Input, 1.8V Op Amps datasheet (Rev. D) 2013年 3月 25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

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

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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)
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  • DCK (SC70-5 和 SC70-6)
使用指南: PDF | HTML
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開發板

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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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開發板

DIYAMP-EVM — 通用自製 (DIY) 放大器電路評估模組

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使用指南: PDF | HTML
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模擬型號

LMV796 PSPICE Model

SNOM044.ZIP (1 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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參考設計

PMP22650 — GaN 式 6.6-kW 雙向車載充電器參考設計

PMP22650 參考設計為 6.6-kW 雙向車載充電器。此設計採用雙相圖騰柱 PFC 與具同步整流的全橋 CLLLC 轉換器。CLLLC 利用頻率和相位調變來調節所需調節範圍內的輸出。此設計在 TMS320F28388D 微控制器中使用單一處理核心，以控制 PFC 和 CLLLC 二者。同步整流可透過與 Rogowski 線圈電流感測器相同的微控制器實作。透過使用高速 GaN 開關 (LMG3522) 可實現高密度。PFC 以 120 kHz 運作，CLLLC 則以 200 kHz 至 800 kHz 的可變頻率運作。開放訊框功率密度 3.8 kW/L 實現 96.5% (...)
Test report: PDF
電路圖: PDF
封裝 針腳 CAD 符號、佔位空間與 3D 模型
SOT-23 (DBV) 5 Ultra Librarian
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