MCP3905A-I/SS Microchip Technology, MCP3905A-I/SS Datasheet
MCP3905A-I/SS
Specifications of MCP3905A-I/SS
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MCP3905A-I/SS Summary of contents
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... CH1+ + 16-bit Multi-level – CH1- ΔΣ ADC © 2007 Microchip Technology Inc. MCP3905/06 Description The MCP3905/06 devices are energy-metering ICs designed to support the IEC 62053 International Metering Standard Specification. They supply a frequency output proportional to the average active (real) power, as well as a higher-frequency output proportional to the instantaneous power for meter calibration ...
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... MCP3905 only (Note 1, Note 4) Channel 0 swings 1:1000 range, MCP3906 only (Note 1, Note 4) Disabled when F2, F1 (Note 5, Note 6) HPF = 0 and 1, < 1 MCLK (Note 4, Note 6, Note 7) F2, F1 (Note 3) HPF = 1, Gain = 1 (Note 3) Note 2, Note 5 Referred to Input Note 8 = 2.5V, CH1 = 100 mVRMS @ © 2007 Microchip Technology Inc. ...
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... Temperature Ranges Specified Temperature Range Operating Temperature Range Storage Temperature Range Note: The MCP3905/06 operate over this extended temperature range, but with reduced performance. In any case, the Junction Temperature (T © 2007 Microchip Technology Inc 0V, MCLK = 3.58 MHz; T GND GND Min Typ. ...
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... OL V 2.4 — — 0.85 — — IL ±3 — — 10 — — FS2 = DV = 4.5V – 5.5V Units Comment ms 984376 MCLK periods (Note 1) ms 322160 MCLK periods (Note 5.0V DD µ Note © 2007 Microchip Technology Inc. ...
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... Measurement Error, Gain = 16 0.8 0.6 0.4 0.2 0 -0.2 -0.4 -0.6 -0.8 0.0000 0.0001 0.0010 0.0100 CH1 Vp-p Amplitude (V) FIGURE 2-3: Measurement Error, Gain = 32 © 2007 Microchip Technology Inc 5V 0V GND GND REF 0.6 0.5 +85°C 0.4 0.3 0.2 0.1 0 -40°C -0.1 -0 ...
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... FIGURE 2-10: Gain = 0.5. = Internal, HPF = 1 (AC mode), +85°C +25°C -40°C 0.0010 0.0100 0.1000 1.0000 CH1 Vp-p Amplitude (V) Measurement Error, +85°C +25°C -40°C 0.0010 0.0100 0.1000 1.0000 CH1 Vp-p Amplitude (V) Measurement Error, © 2007 Microchip Technology Inc. ...
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... Samples 1000 Mean = -1.64 mV Std. Dev = 17.4 µV 800 600 400 200 0 Channel 0 Offset (mV) FIGURE 2-13: Channel 0 Offset Error (DC Mode, HPF off © 2007 Microchip Technology Inc 5V 0V GND GND REF 4000 16384 Samples 3500 Mean = - 1.28 mV 3000 Std. dev = - 18.1 µV ...
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... FIGURE 2-19: w/ External V +85°C -40°C 0.1000 = Internal, HPF = 1 (AC mode), +85°C +25°C - 40°C 0.0001 0.0010 0.0100 0.1000 CH1 Vp-p Amplitude (V) Measurement Error (G = 16). REF © 2007 Microchip Technology Inc. ...
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... A logic ‘1’ enables both filters, removing any DC offset coming from the system or the device. A logic ‘0’ disables both filters, allowing DC voltages to be measured. © 2007 Microchip Technology Inc. Function Digital Power Supply Pin High-Pass Filters Control Logic Pin ...
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... Since this output supplies average active (real) power, any 2ω ripple on the output pulse period is minimal. and maintains OUT shows a pulse. OUT ) GND must be GND , preferably GND ) OUT , F ) OUT0 OUT1 are the frequency outputs of the OUT1 © 2007 Microchip Technology Inc. ...
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... Line Frequency ADC Offset FIGURE 4-1: Simplified MCP3905/06 Block Diagram with Frequency Contents. © 2007 Microchip Technology Inc. The instantaneous power signal contains the real- power information the DC component of the instantaneous power. The averaging technique can be used with both sinusoidal and non-sinusoidal wave- forms, as well as for all power factors ...
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... Section 5.0 voltage reference source impedance is typically 4 kΩ, which enables this voltage reference to be overdriven by an external voltage reference source Frequency (kHz) SINC Filter Magnitude REF supplies reference REF )². REF “Applications Information”). The © 2007 Microchip Technology Inc. ...
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... PULSE OPERATION OUT MODE FIGURE 4-3: Power-on Reset Operation. © 2007 Microchip Technology Inc. 4.5 High-Pass Filters and Multiplier The active (real) power value is extracted from the DC instantaneous power. Therefore, any DC offset component present on Channel 0 and Channel 1 affects the DC component of the instantaneous power and will cause the real-power calculation to be erroneous ...
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... Since a sinusoidal signal average is zero, averaging the HF steady-state conditions will give the proper real energy value. 1000 and HF , OUT0/1 OUT or OUT0/1 and HF Output Frequen- OUT outputs OUT0/1 demands that the 2ω OUT signal in OUT © 2007 Microchip Technology Inc. ...
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... MCLK © 2007 Microchip Technology Inc. For a given DC input V, the DC and RMS values are equivalent. For a given AC input signal with peak-to- peak amplitude of V, the equivalent RMS value is V/sqrt(2), assuming purely sinusoidal signals. Note that since the active (real) power is the product of two RMS ...
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... MCLK/2 219.51 16 MCLK/2 219.51 16 MCLK/2 219.51 16 MCLK/2 219.51 is equal to 0.0015% of the OUT and will determine the start-up C the FC value matching these (V = 2.4V) REF HF Frequency (Hz) with OUT full-scale AC Inputs 27.21 27.21 27.21 6070.12 47.42 47.42 47.42 47.42 © 2007 Microchip Technology Inc. ...
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... Compensation for parasitic shunt inductance • EMC design • Power supply design • No-load threshold • Start-up current • Accuracy testing results from MCP3905-based meter • EMC testing results from MCP3905-based meter © 2007 Microchip Technology Inc. MCP3905/06 note DS21948D-page 17 ...
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... Note: In the event the full Microchip part number cannot be marked on one line, it will be carried over to the next line, thus limiting the number of available characters for customer-specific information. DS21948D-page 18 Examples: MCP3905 e I/SS^^ 3 0739256 © 2007 Microchip Technology Inc. ...
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... Dimensions D and E1 do not include mold flash or protrusions. Mold flash or protrusions shall not exceed 0.20 mm per side. 3. Dimensioning and tolerancing per ASME Y14.5M. BSC: Basic Dimension. Theoretically exact value shown without tolerances. REF: Reference Dimension, usually without tolerance, for information purposes only. © 2007 Microchip Technology Inc ...
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... MCP3905/06 NOTES: DS21948D-page 20 © 2007 Microchip Technology Inc. ...
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... Original Release of this Document. Revision B (August 2005) Replace Figures 2-1 thru 2-6 in Section 2.0 “Typical Performance Curves” Revision C (October 2005) Added references to MCP3905/06 throughout document. Revision D (February 2007) This revision includes updates to the packaging diagrams. © 2007 Microchip Technology Inc. MCP3905/06 DS21948D-page 21 ...
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... MCP3905/06 NOTES: DS21948D-page 22 l © 2007 Microchip Technology Inc. ...
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... MCP3905T: Energy-Metering IC (Tape and Reel) MCP3906: Energy-Metering IC MCP3906T: Energy-Metering IC (Tape and Reel) Temperature Range -40°C to +85°C Package Plastic Shrink Small Outline (209 mil Body), 24-lead © 2007 Microchip Technology Inc. MCP3905/06 . Examples: a) MCP3905-I/SS: Industrial Temperature, 24LD SSOP. b) MCP3905T-I/SS: Tape and Reel, Industrial Temperature, 24LD SSOP ...
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... MCP3905/06 NOTES: DS21948D-page 24 © 2007 Microchip Technology Inc. ...
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... Select Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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... Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 Confidential © 2007 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...