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運算放大器 (op amps)
精密運算放大器 (Vos < 1mV)

OPA2383

現行

雙路、零漂移、微功率 (65μA)、高速度功率比 (2.5MHz) RRIO 運算放大器

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產品規格表

OPA2383

現行
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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) 1.7 Vos (offset voltage at 25°C) (max) (mV) 0.005 Offset drift (typ) (µV/°C) 0.004 Input bias current (max) (pA) 50 GBW (typ) (MHz) 2.5 Features Zero Drift Slew rate (typ) (V/µs) 1 Rail-to-rail In, Out Iq per channel (typ) (mA) 0.065 Vn at 1 kHz (typ) (nV√Hz) 32 CMRR (typ) (dB) 145 Rating Catalog Operating temperature range (°C) -40 to 125 Iout (typ) (A) 0.028 Architecture CMOS 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) 0.15 Output swing headroom (to positive supply) (typ) (V) -0.15 THD + N at 1 kHz (typ) (%) 0.002
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) 1.7 Vos (offset voltage at 25°C) (max) (mV) 0.005 Offset drift (typ) (µV/°C) 0.004 Input bias current (max) (pA) 50 GBW (typ) (MHz) 2.5 Features Zero Drift Slew rate (typ) (V/µs) 1 Rail-to-rail In, Out Iq per channel (typ) (mA) 0.065 Vn at 1 kHz (typ) (nV√Hz) 32 CMRR (typ) (dB) 145 Rating Catalog Operating temperature range (°C) -40 to 125 Iout (typ) (A) 0.028 Architecture CMOS 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) 0.15 Output swing headroom (to positive supply) (typ) (V) -0.15 THD + N at 1 kHz (typ) (%) 0.002
VSSOP (DGK) 8 14.7 mm² (3 mm × 4.9 mm)
  • Ultra-low offset voltage: ±5µV (maximum)
  • Zero drift: ±0.025µV/°C
  • Low-input bias current: 62pA (maximum)
  • Low noise: 32nV√Hz at 1kHz
  • No 1/f noise: 650nVPP (0.1Hz to 10Hz)
  • Common-mode input range ±100mV beyond supply rails
  • Gain bandwidth: 2.5MHz
  • Quiescent current: 65µA per amplifier
  • Single supply: 1.7V to 5.5V
  • Dual supply: ±0.85V to ±2.75V
  • EMI and RFI filtered inputs
  • Ultra-low offset voltage: ±5µV (maximum)
  • Zero drift: ±0.025µV/°C
  • Low-input bias current: 62pA (maximum)
  • Low noise: 32nV√Hz at 1kHz
  • No 1/f noise: 650nVPP (0.1Hz to 10Hz)
  • Common-mode input range ±100mV beyond supply rails
  • Gain bandwidth: 2.5MHz
  • Quiescent current: 65µA per amplifier
  • Single supply: 1.7V to 5.5V
  • Dual supply: ±0.85V to ±2.75V
  • EMI and RFI filtered inputs

The OPA383, OPA2383, and OPA4383 (OPAx383) family of precision amplifiers offers state-of-the-art performance. With zero-drift technology, the OPAx383 offset voltage and offset drift provide unparalleled long-term stability. With a ultra-low 65µA of quiescent current, the OPAx383 are able to achieve 2.5MHz of bandwidth, a broadband noise of 32nV/√Hz, and a 1/f noise at 650nVPP. These specifications are crucial to achieve extremely-high precision and no degradation of linearity in 16-bit to 24-bit analog to digital converters (ADCs). The OPAx383 feature flat bias current over temperature; therefore, little to no calibration is needed in high input impedance applications over temperature.

All versions are specified over the industrial temperature range of –40°C to +125°C.

The OPA383, OPA2383, and OPA4383 (OPAx383) family of precision amplifiers offers state-of-the-art performance. With zero-drift technology, the OPAx383 offset voltage and offset drift provide unparalleled long-term stability. With a ultra-low 65µA of quiescent current, the OPAx383 are able to achieve 2.5MHz of bandwidth, a broadband noise of 32nV/√Hz, and a 1/f noise at 650nVPP. These specifications are crucial to achieve extremely-high precision and no degradation of linearity in 16-bit to 24-bit analog to digital converters (ADCs). The OPAx383 feature flat bias current over temperature; therefore, little to no calibration is needed in high input impedance applications over temperature.

All versions are specified over the industrial temperature range of –40°C to +125°C.
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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 OPAx383 Low-Power, High-Precision, 2.5MHz, Zero-Drift Op Amp datasheet (Rev. D) PDF | HTML 2026/4/22

設計與開發

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模擬型號

OPAx383 Generic SPICE Model

SBOMCL4.ZIP (4 KB) - TISpice 模型
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模擬型號

OPAx383 PSPICE Model

SBOMCL8.ZIP (194 KB) - PSpice 模型
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模擬型號

OPAx383 TINA-TI Reference Design

SBOMCL1 (607 KB) - TINA-TI 參考設計
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模擬型號

OPAx383 TINA-TI Spice Model

SBOMCL2.ZIP (10 KB) - TINA-TI Spice 模型
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計算工具

ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

類比工程師的計算機旨在加速類比電路設計工程師定期使用的許多重複計算。此基於 PC 的工具提供圖形介面，列出各種常見計算，從使用回饋電阻器設定運算放大器增益到選擇適當的電路設計元件以穩定類比數位轉換器 (ADC) 驅動緩衝電路。

除了作為獨立工具使用外，此計算機還與類比工程師口袋參考中描述的概念相得益彰。

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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
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