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LTC1967IMS8#PBF
RMS to DC Converter, 0.1 %, 4 MHz, -40 °C, 85 °C, MSOP, 8 Pins
產品總覽
LTC1967 is a true RMS-to-DC converter that uses an innovative delta-sigma computational technique. The benefits of the device proprietary architecture when compared to conventional log-antilog RMS-to-DC converters are higher linearity and accuracy, bandwidth independent of amplitude and improved temperature behaviour. It operates with single-ended or differential input signals (for EMI/RFI rejection) and supports crest factors upto 4. Common mode input range is rail-to-rail. Differential input range is 1VPEAK, and offers unprecedented linearity. It allows hassle-free system calibration at any input voltage. It is widely used in application such as true RMS digital multimeters and panel meters, true RMS AC + DC measurements etc.
- Linearity error is 0.02% typical
- 0.1% additional gain error is 40KHz typical
- True RMS-DC conversion with only one external capacitor
- Delta sigma conversion technology, differential or single ended
- Supply current is 320µA typical at (IN1 = 20mV, IN2 = 0V)
- Ultralow shutdown current is 0.1µA typical
- Rail-to-rail common mode voltage range, upto 1VPEAK differential voltage
- Separate output reference pin allows level shifting
- Operating temperature is -40°C to 85°C
- Package style is 8-lead plastic MSOP
產品訊息
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