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RTQ6058 系列是一款高精度電流感測放大器（Current Sense Amplifier）系列，廣泛應用於各種電流監測系統及電流感測電路，以實現精準電流量測與系統效能最佳化。該系列產品可在 3V 至 80V 的寬共模電壓範圍內，量測分流電阻（Shunt Resistor）兩端極低的壓降。透過零漂移（Zero-Drift）架構設計，可實現極低的輸入失調電壓、失調漂移、增益誤差及增益漂移。 RTQ6058 系列提供五種固定增益選項，包括 20V/V、50V/V、100V/V、200V/V 及 500V/V，以滿足不同電流量測比例的應用需求。 除了直流電流量測外，RTQ6058 系列亦適用於高速瞬態應用，例如快速過電流保護。產品具備 1.3MHz 高頻寬及在 50kHz 下高達 65dB 的交流共模抑制比（AC CMRR），可有效提升量測精度與系統可靠性。 本系列產品可由 2.7V 至 20V 的單電源供電，供電電流僅 1.2mA，有助於降低系統功耗。 RTQ6058 採用 SOT-23-5 封裝，並提供兩種不同的接腳配置版本供選擇。 建議環境溫度範圍為 -40°C 至 125°C。
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<div class="spec-list"><ul class="lv1"><li>Wide Common-Mode Range: 3V to 80V </li><li>High-Side Sensing </li><li>Common-Mode Rejection Ratio (CMRR) <ul class="lv2"> <li></li><li>120dB DC CMRR </li><li>65dB AC CMRR (f = 50kHz) </li></ul> </li><li>Accuracy <ul class="lv2"> <li>Gain Error <ul class="lv3"> <li>RTQ6058A: ±0.5% (Maximum)</li><li>RTQ6058B: ±0.8% (Maximum)</li><li>20ppm/°C Gain Drift (Maximum)</li></ul> </li><li>Offset <ul class="lv3"> <li>RTQ6058A: ±25μV (Typical)</li><li>RTQ6058A: 0.1μV/°C Offset Drift (Typical)</li><li>RTQ6058B: ±250μV (Typical)</li><li>RTQ6058B: 0.2μV/°C Offset Drift (Typical)</li></ul> </li></ul> </li><li>Choice of Gains <ul class="lv2"> <li></li><li>RTQ6058-20: 20V/V </li><li>RTQ6058-50: 50V/V </li><li>RTQ6058-100: 100V/V </li><li>RTQ6058-200: 200V/V </li><li>RTQ6058-500: 500V/V </li></ul> </li><li>High Bandwidth: 1.3MHz </li><li>Slew Rate: 9V/μs </li><li>Quiescent Current: 1.2mA (Maximum) </li><li>Package: 5-Pin SOT-23 </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>Servers, Storage and Network Equipment </li><li>48V Rack Power Systems </li><li>48V Server Power Supply (PSU) </li><li>Point of Load (POL) Power Modules </li><li>Telecom Equipment </li></ul></div>
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