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放大器
運算放大器 (op amps)
一般用途運算放大器

TLV2221

現行

具有高輸出電流 (10 mA) 的單路 10-V、510-kHz 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
功能相同，但引腳輸出與所比較的裝置不同
TLV9101 現行 單路、16-V、1.1-MHz、低功耗運算放大器 Rail-to-rail I/O, wider supply range (2.7 V to 16 V), higher GBW (1.1 MHz), faster slew rate (4.5 V/us), lower offset voltage (1.5 mV)

TLV2221

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) 10 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Rail-to-rail In to V-, Out GBW (typ) (MHz) 0.51 Slew rate (typ) (V/µs) 0.18 Vos (offset voltage at 25°C) (max) (mV) 3 Iq per channel (typ) (mA) 0.055 Vn at 1 kHz (typ) (nV√Hz) 19 Rating Catalog Operating temperature range (°C) -40 to 85 Offset drift (typ) (µV/°C) 1 Input bias current (max) (pA) 60 CMRR (typ) (dB) 83 Iout (typ) (A) 0.01 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.3 Input common mode headroom (to positive supply) (typ) (V) -0.8 Output swing headroom (to negative supply) (typ) (V) 0.125 Output swing headroom (to positive supply) (typ) (V) -0.125
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 10 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Rail-to-rail In to V-, Out GBW (typ) (MHz) 0.51 Slew rate (typ) (V/µs) 0.18 Vos (offset voltage at 25°C) (max) (mV) 3 Iq per channel (typ) (mA) 0.055 Vn at 1 kHz (typ) (nV√Hz) 19 Rating Catalog Operating temperature range (°C) -40 to 85 Offset drift (typ) (µV/°C) 1 Input bias current (max) (pA) 60 CMRR (typ) (dB) 83 Iout (typ) (A) 0.01 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.3 Input common mode headroom (to positive supply) (typ) (V) -0.8 Output swing headroom (to negative supply) (typ) (V) 0.125 Output swing headroom (to positive supply) (typ) (V) -0.125
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • Output Swing Includes Both Supply Rails
  • Low Noise . . . 19 nV/Hz Typ at f = 1 kHz
  • Low Input Bias Current . . . 1 pA Typ
  • Fully Specified for Single-Supply 3-V and 5-V Operation
  • Very Low Power . . . 110 µA Typ
  • Common-Mode Input Voltage Range Includes Negative Rail
  • Wide Supply Voltage Range 2.7 V to 10 V
  • Macromodel Included

Advanced LinCMOS is a trademark of Texas Instruments Incorporated.
  • Output Swing Includes Both Supply Rails
  • Low Noise . . . 19 nV/Hz Typ at f = 1 kHz
  • Low Input Bias Current . . . 1 pA Typ
  • Fully Specified for Single-Supply 3-V and 5-V Operation
  • Very Low Power . . . 110 µA Typ
  • Common-Mode Input Voltage Range Includes Negative Rail
  • Wide Supply Voltage Range 2.7 V to 10 V
  • Macromodel Included

Advanced LinCMOS is a trademark of Texas Instruments Incorporated.

The TLV2221 is a single low-voltage operational amplifier available in the SOT-23 package. It offers a compromise between the ac performance and output drive of the TLV2231 and the micropower TLV2211.

It consumes only 150 µA (max) of supply current and is ideal for battery-powered applications. The device exhibits rail-to-rail output performance for increased dynamic range in single- or split-supply applications. The TLV2221 is fully characterized at 3 V and 5 V and is optimized for low-voltage applications.

The TLV2221, exhibiting high input impedance and low noise, is excellent for small-signal conditioning for high-impedance sources, such as piezoelectric transducers. Because of the micropower dissipation levels combined with 3-V operation, these devices work well in hand-held monitoring and remote-sensing applications. In addition, the rail-to-rail output feature with single or split supplies makes this family a great choice when interfacing with analog-to-digital converters (ADCs).

With a total area of 5.6mm2, the SOT-23 package only requires one third the board space of the standard 8-pin SOIC package. This ultra-small package allows designers to place single amplifiers very close to the signal source, minimizing noise pick-up from long PCB traces. TI has also taken special care to provide a pinout that is optimized for board layout. Both inputs are separated by GND to prevent coupling or leakage paths. The OUT and IN- terminals are on the same end of the board to provide negative feedback. Finally, gain setting resistors and decoupling capacitor are easily placed around the package.

The TLV2221 is a single low-voltage operational amplifier available in the SOT-23 package. It offers a compromise between the ac performance and output drive of the TLV2231 and the micropower TLV2211.

It consumes only 150 µA (max) of supply current and is ideal for battery-powered applications. The device exhibits rail-to-rail output performance for increased dynamic range in single- or split-supply applications. The TLV2221 is fully characterized at 3 V and 5 V and is optimized for low-voltage applications.

The TLV2221, exhibiting high input impedance and low noise, is excellent for small-signal conditioning for high-impedance sources, such as piezoelectric transducers. Because of the micropower dissipation levels combined with 3-V operation, these devices work well in hand-held monitoring and remote-sensing applications. In addition, the rail-to-rail output feature with single or split supplies makes this family a great choice when interfacing with analog-to-digital converters (ADCs).

With a total area of 5.6mm2, the SOT-23 package only requires one third the board space of the standard 8-pin SOIC package. This ultra-small package allows designers to place single amplifiers very close to the signal source, minimizing noise pick-up from long PCB traces. TI has also taken special care to provide a pinout that is optimized for board layout. Both inputs are separated by GND to prevent coupling or leakage paths. The OUT and IN- terminals are on the same end of the board to provide negative feedback. Finally, gain setting resistors and decoupling capacitor are easily placed around the package.
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檢視所有 3
類型 標題 日期
* Data sheet Advanced LinCMOS Rail-to-Rail Very Low-Power Single Operational Amplifiers datasheet (Rev. B) 1997年 2月 1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 Use of Rail-to-Rail Operational Amplifiers (Rev. A) 1999年 12月 22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

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
TI.com 無法提供
開發板

DIYAMP-EVM — 通用自製 (DIY) 放大器電路評估模組

The DIYAMP-EVM is a unique evaluation module (EVM) family that provides engineers and do it yourselfers (DIYers) with real-world amplifier circuits, enabling you to quickly evaluate design concepts and verify simulations. It is available in three industry-standard packages (SC70, SOT23, SOIC) and (...)

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模擬型號

TLV2221 PSpice Model

SLOJ123.ZIP (3 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 (...)
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
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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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