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精密運算放大器 (Vos < 1mV)

LMP7732

現行

雙 2.9 nV/sqrt(Hz) 低雜訊、精密、RRIO 放大器

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產品規格表

LMP7732

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) 1.8 Vos (offset voltage at 25°C) (max) (mV) 0.5 Offset drift (typ) (µV/°C) 0.5 Input bias current (max) (pA) 30000 GBW (typ) (MHz) 22 Slew rate (typ) (V/µs) 2.4 Rail-to-rail In, Out Iq per channel (typ) (mA) 2.2 Vn at 1 kHz (typ) (nV√Hz) 2.9 CMRR (typ) (dB) 120 Rating Catalog Operating temperature range (°C) -40 to 125 Iout (typ) (A) 0.047 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 0 Input common mode headroom (to positive supply) (typ) (V) 0 Output swing headroom (to negative supply) (typ) (V) 0.009 Output swing headroom (to positive supply) (typ) (V) -0.008 THD + N at 1 kHz (typ) (%) 0.001
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) 1.8 Vos (offset voltage at 25°C) (max) (mV) 0.5 Offset drift (typ) (µV/°C) 0.5 Input bias current (max) (pA) 30000 GBW (typ) (MHz) 22 Slew rate (typ) (V/µs) 2.4 Rail-to-rail In, Out Iq per channel (typ) (mA) 2.2 Vn at 1 kHz (typ) (nV√Hz) 2.9 CMRR (typ) (dB) 120 Rating Catalog Operating temperature range (°C) -40 to 125 Iout (typ) (A) 0.047 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 0 Input common mode headroom (to positive supply) (typ) (V) 0 Output swing headroom (to negative supply) (typ) (V) 0.009 Output swing headroom (to positive supply) (typ) (V) -0.008 THD + N at 1 kHz (typ) (%) 0.001
VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm) SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • (Typical Values, TA = 25°C, VS = 5V)
  • Input Voltage Noise
    • f = 3 Hz 3.3 nV/√Hz
    • f = 1 kHz 2.9 nV/√Hz
  • CMRR 130 dB
  • Open Loop Gain 130 dB
  • GBW 22 MHz
  • Slew Rate 2.4 V/µs
  • THD 0.001% @ f = 10 kHz, AV = 1, RL = 2 kΩ
  • Supply Current 4.4 mA
  • Supply Voltage Range 1.8V to 5.5V
  • Operating Temperature Range −40°C to 125°C
  • Input Bias Current ±1.5 nA
  • RRIO

All trademarks are the property of their respective owners.

  • (Typical Values, TA = 25°C, VS = 5V)
  • Input Voltage Noise
    • f = 3 Hz 3.3 nV/√Hz
    • f = 1 kHz 2.9 nV/√Hz
  • CMRR 130 dB
  • Open Loop Gain 130 dB
  • GBW 22 MHz
  • Slew Rate 2.4 V/µs
  • THD 0.001% @ f = 10 kHz, AV = 1, RL = 2 kΩ
  • Supply Current 4.4 mA
  • Supply Voltage Range 1.8V to 5.5V
  • Operating Temperature Range −40°C to 125°C
  • Input Bias Current ±1.5 nA
  • RRIO

All trademarks are the property of their respective owners.

The LMP7732 is a dual low noise, rail-to-rail input and output, low voltage amplifier. The LMP7732 is part of the LMP amplifier family and is ideal for precision and low noise applications with low voltage requirements.

This operational amplifier offers low voltage noise of 2.9 nV/√Hz with a 1/f corner of only 3 Hz. The LMP7732 has bipolar junction input stages with a bias current of only 1.5 nA. This low input bias current, complemented by the very low level of voltage noise, makes the LMP7732 an excellent choice for photometry applications.

The LMP7732 provides a wide GBW of 22 MHz while consuming only 4 mA of current. This high gain bandwidth along with the high open loop gain of 130 dB enables accurate signal conditioning in applications with high closed loop gain requirements.

The LMP7732 has a supply voltage range of 1.8V to 5.5V, making it an ideal choice for battery operated portable applications.

The LMP7732 is offered in the 8-Pin SOIC and VSSOP packages.

The LMP7731 is the single version of this product and is offered in the 5-Pin SOT-23 and 8-Pin SOIC packages.

The LMP7732 is a dual low noise, rail-to-rail input and output, low voltage amplifier. The LMP7732 is part of the LMP amplifier family and is ideal for precision and low noise applications with low voltage requirements.

This operational amplifier offers low voltage noise of 2.9 nV/√Hz with a 1/f corner of only 3 Hz. The LMP7732 has bipolar junction input stages with a bias current of only 1.5 nA. This low input bias current, complemented by the very low level of voltage noise, makes the LMP7732 an excellent choice for photometry applications.

The LMP7732 provides a wide GBW of 22 MHz while consuming only 4 mA of current. This high gain bandwidth along with the high open loop gain of 130 dB enables accurate signal conditioning in applications with high closed loop gain requirements.

The LMP7732 has a supply voltage range of 1.8V to 5.5V, making it an ideal choice for battery operated portable applications.

The LMP7732 is offered in the 8-Pin SOIC and VSSOP packages.

The LMP7731 is the single version of this product and is offered in the 5-Pin 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 LMP7732 2.9 nV/sqrt(Hz) Low Noise, RRIO Amplifier datasheet (Rev. E) 2013/3/27
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

AFE2256EVM — 適用於數位 X 光平板偵測器的 AFE2256 256 通道 AFE 評估模組

AFE2256EVM 是一款基於 USB 的緊湊型評估套件，用於評估 256 通道類比前端 AFE2256 COF。此 EVM 是獨立的，具有板載 DAC 和發電功能，大大減少了對外部設備的依賴。該套件由一個 EVM、兩個單獨的 COF 轉接器以及易於使用的軟體組成，可用於評估 COF 裝置的性能。COF 轉接器為可拆式，因此可以使用單一 EVM 設定來評估多個 COF 轉接器。USB 2.0 介面透過微控制器提供快速配置下載和 FPGA-PC 通訊。

使用指南: PDF
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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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模擬型號

LMP773x PSpice Model (Rev. D)

SNOM097D.ZIP (31 KB) - PSpice 模型
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模擬型號

LMP773x TINA-TI Reference Design (Rev. B)

SNOM656B (332 KB) - TINA-TI 參考設計
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模擬型號

LMP773x TINA-TI Spice Model (Rev. B)

SNOM657B.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, (...)
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封裝 針腳 CAD 符號、佔位空間與 3D 模型
VSSOP (DGK) 8 Ultra Librarian
SOIC (D) 8 Ultra Librarian
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