LTC1967 - LTC1967是精准扩展带宽、RMS 至 DC 转换器
LTC1967是Linear公司的一款RMS-DC 转换产品，LTC1967是精准扩展带宽、RMS 至 DC 转换器，本站介绍了LTC1967的封装应用图解、特点和优点、功能等，并给出了与LTC1967相关的凌力尔特元器件型号供参考。
LTC1967 - 精准扩展带宽、RMS 至 DC 转换器
LTC1967 - 精准扩展带宽、RMS 至 DC 转换器 - Linear Technology（凌力尔特）
功能描述
The LTC1967 is a true RMS-to-DC converter that uses an innovative delta-sigma computational technique. The benefits of the LTC1967 proprietary architecture when compared to conventional log-antilog RMS-to-DC converters are higher linearity and accuracy, bandwidth independent of amplitude and improved temperature behavior.
The LTC1967 operates with single-ended or differential input signals (for EMI/RFI rejection) and supports crest factors up to 4. Common mode input range is rail-to-rail. Differential input range is 1VPEAK, and offers unprecedented linearity. The LTC1967 allows hassle-free system calibration at any input voltage.
The LTC1967 has a rail-to-rail output with a separate output reference pin providing flexible level shifting; it operates on a single power supply from 4.5V to 5.5V. A low power shutdown mode reduces supply current to 0.1μA.
The LTC1967 is packaged in the space-saving MSOP package, which is ideal for portable applications.
Protected under U.S. Patent Numbers 6,359,576, 6,362,677 and 6,516,291.
特点
High Linearity: 0.02% Linearity Allows Simple System Calibration Wide Input Bandwidth: Bandwidth to 0.1% Additional Gain Error: 40kHzBandwidth Independent of Input Voltage Amplitude No-Hassle Simplicity:True RMS-DC Conversion with Only One External CapacitorDelta Sigma Conversion Technology Low Supply Current:330μA Typ Ultralow Shutdown Current:0.1μA Flexible Inputs:Differential or Single EndedRail-to-Rail Common Mode Voltage RangeUp to 1VPEAK Differential Voltage Flexible Output:Rail-to-Rail OutputSeparate Output Reference Pin Allows Level Shifting Small Size:Space Saving 8-Pin MSOP Package应用
True RMS Digital Multimeters and Panel Meters True RMS AC + DC Measurements以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格（美元）
| 器件型号 | 封装 | 温度 | 价格 (以 1 ~ 99 片为批量) | 价格 (以 1000 片为批量) |
| LTC1967CMS8 | MS-8 | C | $4.49 | $3.40 |
| LTC1967CMS8#PBF | MS-8 | C | $4.49 | $3.40 |
| LTC1967CMS8#TR | MS-8 | C | | $3.46 |
| LTC1967CMS8#TRPBF | MS-8 | C | | $3.46 |
| LTC1967IMS8 | MS-8 | I | $7.59 | $5.69 |
| LTC1967IMS8#PBF | MS-8 | I | $7.59 | $5.69 |
| LTC1967IMS8#TR | MS-8 | I | | $5.75 |
| LTC1967IMS8#TRPBF | MS-8 | I | | $5.75 |
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