INA183

現行

具有輸入供電的 2.7-V 至 26-V、高精密電流感測放大器

產品詳細資料

Product type Analog output Common-mode voltage (max) (V) 26 Common-mode voltage (min) (V) 2.7 Input offset (±) (max) (µV) 170 Input offset drift (±) (typ) (µV/°C) 0.5 Features High precision, Input supply Rating Catalog Voltage gain (V/V) 50, 100, 200 CMRR (min) (dB) 100 Bandwidth (kHz) 14, 30, 80 Iq (max) (mA) 0.14 Number of channels 1 Comparators (#) 0 Gain error (%) 0.3 Gain error drift (±) (max) (ppm/°C) 10 Slew rate (V/µs) 0.4 Operating temperature range (°C) -40 to 125
Product type Analog output Common-mode voltage (max) (V) 26 Common-mode voltage (min) (V) 2.7 Input offset (±) (max) (µV) 170 Input offset drift (±) (typ) (µV/°C) 0.5 Features High precision, Input supply Rating Catalog Voltage gain (V/V) 50, 100, 200 CMRR (min) (dB) 100 Bandwidth (kHz) 14, 30, 80 Iq (max) (mA) 0.14 Number of channels 1 Comparators (#) 0 Gain error (%) 0.3 Gain error drift (±) (max) (ppm/°C) 10 Slew rate (V/µs) 0.4 Operating temperature range (°C) -40 to 125
SOT-23 (DBV) 5 8.12 mm² (2.9 mm × 2.8 mm)
  • Wide Common-Mode Range: 2.7 V to 26 V
  • Offset Voltage: ±170 µV (Maximum) (Enables Shunt Drops of 10-mV Full-Scale)
  • Accuracy:
    • Gain Error ±0.4% (Maximum Over Temperature):
    • 0.5-µV/°C Offset Drift (Maximum)
    • 10-ppm/°C Gain Drift (Maximum)
  • Choice of Gains:
    • INA183A1: 50 V/V
    • INA183A2: 100 V/V
    • INA183A3: 200 V/V
  • Quiescent Current: 130 µA (Maximum)
  • Package: 5-Pin SOT-23
  • Wide Common-Mode Range: 2.7 V to 26 V
  • Offset Voltage: ±170 µV (Maximum) (Enables Shunt Drops of 10-mV Full-Scale)
  • Accuracy:
    • Gain Error ±0.4% (Maximum Over Temperature):
    • 0.5-µV/°C Offset Drift (Maximum)
    • 10-ppm/°C Gain Drift (Maximum)
  • Choice of Gains:
    • INA183A1: 50 V/V
    • INA183A2: 100 V/V
    • INA183A3: 200 V/V
  • Quiescent Current: 130 µA (Maximum)
  • Package: 5-Pin SOT-23

The INA183 is a high-precision voltage-output, current-shunt monitor (also called current-sense amplifier) commonly used for overcurrent protection, precision-current measurement for system optimization, or in closed-loop feedback circuits. This device can sense drops across shunt resistors at common-mode voltages from 2.7 V to 26 V. Three fixed gains are available: 50 V/V, 100 V/V, and 200 V/V. The low offset of the zero-drift architecture enables current sensing with maximum drops across the shunt as low as 10-mV full-scale.

This device operates by drawing power from the IN+ pin drawing a maximum of 130 µA of supply current. All versions are specified from –40 °C to 125 °C and are offered in the 5-pin SOT-23 package.

The INA183 is a high-precision voltage-output, current-shunt monitor (also called current-sense amplifier) commonly used for overcurrent protection, precision-current measurement for system optimization, or in closed-loop feedback circuits. This device can sense drops across shunt resistors at common-mode voltages from 2.7 V to 26 V. Three fixed gains are available: 50 V/V, 100 V/V, and 200 V/V. The low offset of the zero-drift architecture enables current sensing with maximum drops across the shunt as low as 10-mV full-scale.

This device operates by drawing power from the IN+ pin drawing a maximum of 130 µA of supply current. All versions are specified from –40 °C to 125 °C and are offered in the 5-pin SOT-23 package.

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技術文件

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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 INA183 2.7-V to 26-V, High-Precision Current Sense Amplifier datasheet PDF | HTML 2021/2/3
應用說明 Using a PCB Copper Trace as a Current Sense Shunt Resistor (Rev. A) PDF | HTML 2026/4/27
應用說明 Risks and Prevention of ESD, EOS, and Latch Up Events for Current Sense Amplifiers PDF | HTML 2024/11/18
電子書 An Engineer's Guide to Current Sensing (Rev. B) 2022/4/12
選擇指南 Current Sense Amplifiers (Rev. E) 2021/9/20
證書 INA183EVM EU RoHS Declaration of Conformity (DoC) 2020/11/13

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

INA183EVM — INA183 電流感測放大器評估模組

INA183EVM 包含一個印刷電路板 (PCB),並可選擇裁切三個獨立 PCB。

每個 PCB 斷路器都包含 INA183Ax 裝置 (電路板 1 至 3 的 Ax 為 A1、A2 和 A3) 及探測和硬體連接的測試點。



使用指南: PDF | HTML
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模擬型號

INA183 TINA-TI Spice Model

SBOMC27.ZIP (231 KB) - TINA-TI Spice 模型
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模擬型號

INA183A1 PSpice Model

SBOMC24.ZIP (2420 KB) - PSpice 模型
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模擬型號

INA183A2 PSpice Model

SBOMC25.ZIP (2420 KB) - PSpice 模型
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模擬型號

INA183A3 PSpice Model

SBOMC26.ZIP (2420 KB) - PSpice 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

CS-AMPLIFIER-ERROR-TOOL — Current Sense Amplifier Comparison and Error Tool

此 Excel 計算機提供兩個與五個標準電流感測放大器的比較,並提供包含各裝置基本參數的圖表。此計算機也會採用使用者的系統條件輸入,例如共模電壓、供應電壓、分流電阻器值與公差,然後在可調整電流範圍中繪製錯誤曲線。此外,計算機會根據計算的全刻度輸入電壓除以最大量測電流,輸出最大分流值 (mΩ)。
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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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