AMC1305M25DWR IC

Texas Instruments AMC1305 隔離型 Δ-Σ 調(diào)制器 德州儀器 AMC1305 隔離型 Δ-Σ 調(diào)制器是一款精密的 Δ-Σ 調(diào)制器，其輸出與輸入電路之間由一個(gè)抗磁干擾能力強(qiáng)的電容式雙隔離勢(shì)壘進(jìn)行隔離。該勢(shì)壘經(jīng)認(rèn)證可提供高達(dá) 7000 V峰值的增強(qiáng)隔離，符合 DIN V VDE V 0884-10、UL1577、和 CSA 標(biāo)準(zhǔn)。當(dāng)與隔離型電源配合使用時(shí)，該器件可防止高共模電壓線路上的噪聲電流進(jìn)入局部系統(tǒng)接地并干擾或損壞低壓電路。AMC1305 經(jīng)優(yōu)化，可實(shí)現(xiàn)對(duì)分流電阻器或其他低壓電平信號(hào)源的直接連接，同時(shí)又具有出色的直流和交流性能。分流電阻通常用于檢測(cè)電機(jī)驅(qū)動(dòng)、綠色能源發(fā)電系統(tǒng)、或其他工業(yè)應(yīng)用中的電流。通過使用適當(dāng)?shù)臄?shù)字濾波器（和集成在 TMS320F2837x 上的相同）來消減位流，該器件能達(dá)到 16 位的分辨率，并在 78kSPS 數(shù)據(jù)率下有 85dB (13.8 ENOB)的動(dòng)態(tài)范圍。 特性 Pin-compatible family optimized for shunt-resistor-based current measurements
±50mV or ±250mV input voltage ranges CMOS or LVDS digital interface options Excellent DC performance supporting high-precision sensing on system level
Offset error: ±150μV (maximum) Offset drift: 1.3μV/°C (maximum) Gain error: ±0.3% (maximum) Gain drift: ±40ppm/°C (maximum) Certified isolation barrier Reinforced isolation rating VDE V 0884-10, ul1577, and CSA approved Isolation voltages: 7000 Vpeak, 10000Vsurge Working voltages: 1500VDC, 1000VA, RMS Transient immunity: 15kV/μs (minimum) High electromagnetIC field immunity External 5MHz to 20MHz clock input for easier system-level synchronization Fully specified over the extended industrial temperature range 應(yīng)用 Shunt resistor based current sensing in: Industrial motor drives PhotovoltaIC inverters Uninterruptible power supplies Isolated voltage sensing DATASHEETS AMC1305 Datasheet AMC1305-Q1 Datasheet FUNCTIONAL BLOCK DIAGRAM ICrosites/137341476/AMC1305%20-%20Block%20Daigram.png" alt="框圖 - Texas Instruments AMC1305 隔離型 Δ-Σ 調(diào)制器" title="框圖 - Texas Instruments AMC1305 隔離型 Δ-Σ 調(diào)制器" style="box-sizing:border-box;vertICal-align:middle;display:block;max-width:100%;height:auto;" /> SIMPLIFIED SCHEMATIC ICrosites/137341476/AMC1305%20Simplified%20SchematIC.png" alt="原理圖 - Texas Instruments AMC1305 隔離型 Δ-Σ 調(diào)制器" title="原理圖 - Texas Instruments AMC1305 隔離型 Δ-Σ 調(diào)制器" style="box-sizing:border-box;vertICal-align:middle;display:block;max-width:100%;height:auto;" />