LTC1967IMS8 Linear Technology, LTC1967IMS8 Datasheet

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... A low power shutdown mode reduces supply current to 0.1 A. The LTC1967 is packaged in the space-saving MSOP pack- age, which is ideal for portable applications. , LTC and LT are registered trademarks of Linear Technology Corporation. Protected under U.S. Patent Numbers 6,359,576, 6,362,677 and 6,516,291 + C ...

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... Fundamental, 200mV RMS 60Hz Fundamental, 200mV RMS Accuracy = 1% (Note 14) Average, Differential (Note 12) Average, Common Mode (Note 12) (Note 13) (Note ORDER PART NUMBER LTC1967CMS8 8 ENABLE + LTC1967IMS8 OUT RTN 5 V OUT MS8 PART MARKING = 220 C/ W LTTJ 200mV , V = 0.5V IN RMS ENABLE MIN ...

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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are T unless otherwise noted. SYMBOL PARAMETER Output Characteristics OVR Output Voltage Range Z Output Impedance OUT CMRRO Output Common Mode Rejection V Maximum Differential Output Swing OMAX PSRRO Power Supply Rejection Frequency Response ...

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LTC1967 ELECTRICAL CHARACTERISTICS Note 13: The common mode rejection ratios of the LTC1967 are measured with DC inputs from 50mV to 350mV. The input CMRR is defined as the change in V measured between input levels 350mV ...

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W U TYPICAL PERFOR A CE CHARACTERISTICS Performance vs Crest Factor 201.0 200mV SCR WAVEFORMS RMS 200 AVE O.1%/DIV 200.6 200.4 200.2 200.0 199.8 1kHz 199.6 199.4 20Hz 60Hz 199.2 199 CREST ...

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LTC1967 W U TYPICAL PERFOR A CE CHARACTERISTICS Bandwidth to 200kHz 202 0.5%/DIV AVE 201 200 199 198 197 196 195 50k 100k 200k 0 150k INPUT FREQUENCY (Hz) 1967 G14 Output Accuracy vs Signal Amplitude ...

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CTIO S GND (Pin 1): Ground. The power return pin. IN1 (Pin 2): Differential Input. DC coupled (polarity is irrelevant). IN2 (Pin 3): Differential Input. DC coupled (polarity is irrelevant). V (Pin 5): Output Voltage. ...

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LTC1967 U U APPLICATIO S I FOR ATIO currents. The power delivered to the load depends on the firing angle, as well as any parasitic losses such as switch “ON” voltage drop. Real circuit waveforms will also typi- cally have ...

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U U APPLICATIO S I FOR ATIO OUT - REF Figure 4. Topology of LTC1967 The modulator has a single-bit output whose average duty cycle (D) will be proportional to the ratio of ...

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LTC1967 U U APPLICATIO S I FOR ATIO Because this peak has energy (proportional to voltage 2 squared) that is 16 times (4 ) the energy of the RMS value, the peak is necessarily present for at most 6.25% (1/16) ...

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U U APPLICATIO S I FOR ATIO 0 –0 100 F –0.4 –0.6 –0 –1 –1.2 –1.4 –1.6 –1.8 –2.0 1 Figure 8. Peak Error vs Input Frequency with One ...

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LTC1967 U U APPLICATIO S I FOR ATIO Input Connections The LTC1967 input is differential and DC coupled. The LTC1967 responds to the RMS value of the differential voltage between Pin 2 and Pin 3, including the DC portion of ...

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U U APPLICATIO S I FOR ATIO Output Connections The LTC1967 output is differentially, but not symmetri- cally, generated. That is to say, the RMS value that the LTC1967 computes will be generated on the output (Pin 5) relative to ...

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LTC1967 U U APPLICATIO S I FOR ATIO 100mV to 110mV (+10%) and back (–10%), the step responses are essentially the same as a standard expo- nential rise and decay between those two levels. In such cases, the time constant ...

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... LTC1967 V . The table inset in Figure 12 shows OOS these errors for four of Linear Technology’s op amps. A second disadvantage is that the op amp output has to operate over the same range as the LTC1967 output, includ- ing ground, which in single supply applications is the nega- tive supply ...

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LTC1967 U U APPLICATIO S I FOR ATIO somewhat lower ( 0.7 • 1.45 1Hz) than with 2.2 F alone. To adjust the bandwidth of either of them, simply scale all the capacitors by a common multiple, and leave the ...

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U U APPLICATIO S I FOR ATIO 0 –0 –0.4 –0.6 –0.8 –1 4.7 F –1.2 –1.4 –1.6 –1.8 –2.0 1 Figure 16. Peak Error vs Input Frequency with Buffered ...

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LTC1967 U U APPLICATIO S I FOR ATIO 0 0. 0.1 0. 0.1 0.01 0.1 Crest factor, which is the peak ...

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U U APPLICATIO S I FOR ATIO waveform dynamics and the type of filtering used. The above method is conservative for some cases and about right for others. The LTC1967 works well with signals whose crest factor ...

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LTC1967 U U APPLICATIO S I FOR ATIO (5mV AC) + (0.2mV DC) OUT = 5.109mV = 5mV + 2.18% As can be seen, the gain term dominates with large inputs, while the offset terms become ...

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U U APPLICATIO S I FOR ATIO devoted to sampling, ten time constants elapse. This allows each sample to settle to within 46ppm and it is these samples that are used to compute the RMS value. This is a much ...

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LTC1967 U U APPLICATIO S I FOR ATIO LTC1967 5 31 OUTPUT C AVE 6 30 OUT RTN Figure 21a. Interfacing to DVM/DPM ADC LTC1967 LTC2420 5 3 OUTPUT V SDO IN C AVE 6 4 OUT RTN GND SCK ...

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U U APPLICATIO S I FOR ATIO The trade-off here is that on the one hand, the DC error is input frequency dependent calibration signal fre- quency high enough to make the DC error negligible should be used. ...

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LTC1967 U U APPLICATIO S I FOR ATIO TROUBLESHOOTING GUIDE Top Ten LTC1967 Application Mistakes 1. Circuit won’t work–Dead On Arrival–no power drawn. – Probably forgot to enable the LTC1967 by pulling Pin 8 low. Solution: Tie Pin 8 to ...

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U U APPLICATIO S I FOR ATIO 7. Output is noisy with >50kHz inputs. – This is a fundamental characteristic of this topol- ogy. The LTC1967 is designed to work very well with inputs of 20kHz or less. It works ...

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LTC1967 PLIFIED SCHE ATIC + V GND C1 IN1 2nd ORDER IN2 BIAS CONTROL U TYPICAL APPLICATIO S 5V Single Supply, Differential, AC-Coupled RMS-to-DC Converter LTC1967 AC INPUTS IN1 V ...

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... LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...

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... LTC1966 Precision Micropower LTC2402 2-Channel, 24-bit, Micropower, No Latency LTC2420 20-bit, Micropower, No Latency LTC2422 2-Channel, 20-bit, Micropower, No Latency No Latency is a trademark of Linear Technology Corporation. Linear Technology Corporation 28 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 Audio Amplitude Compressor R5 5.9k ATTENUATE ...