MCP3909RD-3PH1 Microchip Technology, MCP3909RD-3PH1 Datasheet
MCP3909RD-3PH1
Specifications of MCP3909RD-3PH1
Related parts for MCP3909RD-3PH1
MCP3909RD-3PH1 Summary of contents
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... Multi-level – CH1- DS ADC Clock Sub-system OSC1 OSC2 © 2009 Microchip Technology Inc. MCP3909 Description The MCP3909 device is an energy-metering IC designed to support the IEC 62053 international metering standard specification. It supplies a frequency output proportional to the average active real power, with simultaneous serial access to ADC channels and multiplier output data ...
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... MCP3909 NOTES: DS22025B-page 2 © 2009 Microchip Technology Inc. ...
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... Specified by characterization, not production tested MCLK period at 3.58 MHz is equivalent to less than < 0.005 degrees Hz. © 2009 Microchip Technology Inc. † Notice: Stresses above those listed under "Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operation listings of this specification is not implied ...
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... Hz. DC PSRR: 5V ±500 4.5V to 5.5V -40°C to +85°C. A Comment Referred to Input, applies to both channels (Note 5) CH0+,CH0-,CH1+,CH1 GND G = PGA Gain on Channel 0 Proportional to 1/MCLK pin only DD DV pin only DD = 2.5V, CH1 = 100 Hz, RMS © 2009 Microchip Technology Inc. ...
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... Operating Temperature Range Storage Temperature Range Thermal Package Resistances θ Thermal Resistance, 24L-SSOP Note: The MCP3909 operates over this extended temperature range, but with reduced performance. In any case, the Junction Temperature (T © 2009 Microchip Technology Inc. = 4.5V to 5.5V Min Typ Max Units T -40 — ...
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... MCLK periods (Note 5.0V DD µ (Note 3) ns MHz — Last bit must be clocked in before this time. — First bit must be clocked in after this time MHz CLK MHz CLK 1 1 When F2, F1 © 2009 Microchip Technology Inc. ...
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... Output Timings for Active Power Pulse Outputs and Negative Power Pin SUCS CLK SDI t DO Hi-z SDO FIGURE 1-2: Serial Interface Timings showing Output, Rise, Hold, and CS Times. © 2009 Microchip Technology Inc. = -40°C to +85°C. A Min Typ Max — — 150 DIS — — ...
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... MCP3909 SPI Data Output Pin FIGURE 1-3: SPI Output Pin Loading Circuit During SPI Testing. DS22025B-page – ----------------------------------- - 180 ----------------- - I OH © 2009 Microchip Technology Inc. ) ...
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... CH0 Vp-p Amplitude (V) FIGURE 2-3: Active Power Measurement Error (Gain = 1). © 2009 Microchip Technology Inc 5V 0V GND GND REF at 50 Hz, CH0 amplitude sweeps at 50 Hz. P-P 1 0.8 0.6 0.4 0.2 0 -0.2 -0 ...
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... FIGURE 2-12: (DC Mode, HPF Off 16 1). = Internal, HPF = 1 (AC mode), 16384 Samples Mean = -1.20 mV Std. Dev. = 25.1 µV Bin (mV) Channel 0 Offset Error Bin (mV) Channel 0 Offset Error -1.25 -1.23 -1.20 -1.17 Bin (mV) Channel 0 Offset Error © 2009 Microchip Technology Inc. ...
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... PF = 0.5 0.3 0.2 0.1 0 -0.1 -0 -0.3 -0.4 -0 Frequency (Hz) FIGURE 2-15: Active Power Measurement Error vs. Input Frequency (G = 16). © 2009 Microchip Technology Inc 5V 0V GND GND REF at 50 Hz, CH0 amplitude sweeps at 50 Hz. P-P 0.3 0.2 0.1 0 -0.1 V =5.5V -0.2 DD -0.3 1.0000 ...
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... CH1 Vp-p Amplitude (V) Active Power Measurement ( 1). REF -40°C +85°C 0.0001 0.0010 0.0100 0.1000 CH1 Vp-p Amplitude (V) Active Power Measurement (G =16 0.5). REF 100 90 SINAD (dBFS SINAD(dB 0.0010 0.0100 0.1000 1.0000 CH0 Vp-p Amplitude (V) Signal-to-Noise and © 2009 Microchip Technology Inc. ...
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... Distortion Ratio vs. Input Signal Amplitude (G = 2). 100 90 80 SINAD (dBFS SINAD (dB 0.00001 0.0001 0.001 0.01 CH0 Vp-p Amplitude (V) FIGURE 2-26: Signal-to-Noise and Distortion Ratio vs. Input Signal Amplitude (G = 8). © 2009 Microchip Technology Inc 5V 0V GND GND REF at 50 Hz, CH0 amplitude sweeps at 50 Hz. P-P 100 100 ...
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... MCP3909 NOTES: DS22025B-page 14 © 2009 Microchip Technology Inc. ...
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... HPF controls the state of the high-pass filter in both input channels. 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. © 2009 Microchip Technology Inc. Table 3-1. Description Digital Power Supply Pin ...
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... A full-swing, single-ended clock source may be connected to OSC1 with proper resistors in series to ensure no ringing of the clock source due to fast transient edges. , preferably GND and C and and C and and and H are C FC © 2009 Microchip Technology Inc. ...
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... If a digital ground plane is available recommended that this device be tied to this plane of the Printed Circuit Board (PCB). This plane should also reference all other digital circuitry in the system. © 2009 Microchip Technology Inc. 3.16 High-Frequency Output ( the high-frequency output of the device and OUT supplies the instantaneous real-power information ...
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... MCP3909 NOTES: DS22025B-page 18 © 2009 Microchip Technology Inc. ...
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... System line frequency and ADC offset FIGURE 4-1: Active Power Signal Flow with Frequency Contents. © 2009 Microchip Technology Inc. 4.1 Active Power The instantaneous power signal contains the active- power information the DC component of the instantaneous power. The averaging technique can be ...
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... Section 6.0 “Applications Information”). The 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 pin for proper operation © 2009 Microchip Technology Inc. ...
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... RESET OPERATION MODE OUT FIGURE 4-3: Power-on Reset Operation. © 2009 Microchip Technology Inc. 4.6 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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... OUT and HF OUT0/1 OUT and HF (i.e., they have OUT0/1 OUT allowed OUT0/1 F FREQUENCY OUT OUTPUT EQUATION × × × × 8. ---------------------------------------------------------- - REF Channel 0 Channel 1 channel) depends on the F and F C OUT0 OUT1 Table 4-2 shows F output OUT0/1 © 2009 Microchip Technology Inc. ...
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... C 128 © 2009 Microchip Technology Inc. F Frequency (Hz) OUT F (Hz) C with Full-Scale (MCLK = 3.58 MHz) DC Inputs 1.71 0.74 3.41 1.48 6.83 2.96 13.66 5.93 has lower 4.8.1 MINIMAL OUTPUT FREQUENCY FOR NO-LOAD THRESHOLD The MCP3909 also includes, on each output frequency, a no-load threshold circuit that will eliminate any creep effects in the meter ...
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... MCP3909 NOTES: DS22025B-page 24 © 2009 Microchip Technology Inc. ...
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... ADCs FIGURE 5-2: Data Access between Data Ready Pulses using SPI Interface for a 3-phase System. © 2009 Microchip Technology Inc. After a serial mode has been entered, all blocks of the MCP3909 device are still operational. The PGA, A/D converters, HPF, multiplier, LPF, and other digital sections are still functional, allowing the device to have true dual functionality in energy metering systems ...
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... Filter Input 1 Filter Input 0 Filter Input and HF remain active after serial mode entry. OUT0 OUT1 OUT , F , and HF . For this reason, OUT1 OUT 5-1. ( pin 1 F1 pin 1 F1 pin 1 F1 pin pin 1 F0 pin 0 F0 pin 1 F0 pin © 2009 Microchip Technology Inc. ...
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... F2 / SCK Hi-z NEG / SDO SDI FIGURE 5-4: Multiplier Output Mode. © 2009 Microchip Technology Inc. clock cycles and a new multiplier output value is ready. If the multiplier value is not clocked out of the device it will be over-written. Data is clocked out on the rising edge of SCK. + – ...
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... This HPF pin must be high to access the post HPF data in the channel output mode D15 D14 D1 D17 D16 D31 D30 Channel 0 Channel 1 Hi-z 0.66 ⎞ × × ---------- - PGA ⎠ 0.47 0.47 ⎞ × ---------- - ⎠ 0.66 Hi-z D0 © 2009 Microchip Technology Inc. ...
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... DR NEG / SDO FIGURE 5-6: Filter Input Mode. © 2009 Microchip Technology Inc. When using filter input mode, the user must wait for the data ready flag (DR) to appear on SDO before attempting to clock in data to the device. The user can not access either the multiplier output or the dual channel output while in this mode ...
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... Idle state for clock is high level, transmit (from PIC) occurs from active to idle clock state — Idle state for clock is high level, transmit (from PIC) occurs from idle to active clock state Description © 2009 Microchip Technology Inc. ...
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... SCK SDI D3 NEG / SDO MCU Transmit Buffer X MCU Receive Buffer D3 FIGURE 5-7: Multiplier Output Mode 1 SPI Communication using 8-bit segments (Mode 0,1: SCK idles low). © 2009 Microchip Technology Inc Don’t Care D18 D17 D16 D15 D14 D13 ...
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... Don’t Care CHANNEL 1 D14 D13 D12 D11 D10 D11 D10 D9 D8 CH1 Data stored into MCU receive regis- CH1 Data stored into MCU receive register ter after transmission of third 8 bits after transmission of fourth 8 bits © 2009 Microchip Technology Inc. ...
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... VOLTAGE ADC X2 FIGURE 6-1: Power Calculations from Waveform sampling using PIC MCU. Register names shown are used on MCP3909 Energy Meter Reference Design. © 2009 Microchip Technology Inc. 6.1 Performing RMS, Apparent Power, and Active Power using MCP3909 Waveform data Figure 6-1 ...
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... MHz (50) 1.96 MHz (60) 3.579 MHz MCLK input MCP3909 MCP3909 t SAMPLE t SAMPLE X1 39.3216 MHz ( Hz) PIC MCU CCP2 / 32768 Option 2 To PIC MCU IRQ DR Pulse DR N samples per line © 2009 Microchip Technology Inc. ...
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... PIC MCU. In Figure 6-3, this interface is shown via RS-232 on the PIC microcontroller. This process is streamlined using calibration software available from Microchip’s web site. © 2009 Microchip Technology Inc. PHA_W:16 ENERGY_W:64 ENERGY_VA_GLSB:16 PHA_I_RMS:16 PHA_V_RMS:16 CLKIN ...
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... MCP3909 NOTES: DS22025B-page 36 © 2009 Microchip Technology Inc. ...
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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. © 2009 Microchip Technology Inc. MCP3909 Examples: MCP3909 I/SS^^ ...
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... MCP3909 /HDG 3ODVWLF 6KULQN 6PDOO 2XWOLQH 66 ± 1RWH 1RWHV DS22025B-page 38 PP %RG\ >6623@ I © 2009 Microchip Technology Inc. φ ...
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... APPENDIX A: REVISION HISTORY Revision B (April 2009) The following is the list of modifications: 1. Updated EDS information and Characteristics in Section 1.0 “Electrical Characteristics”. Revision A (December 2006) • Original Release of this Document. © 2009 Microchip Technology Inc. Timing MCP3909 DS22025B-page 39 ...
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... MCP3909 NOTES: DS22025B-page 40 © 2009 Microchip Technology Inc. ...
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... Device: MCP3909: Energy Metering IC MCP3909T: Energy Metering IC (Tape and Reel) Temperature Range -40°C to +85°C Package Plastic Shrink Small Outline (209 mil Body), 24-lead © 2009 Microchip Technology Inc. MCP3909 . Examples: a) MCP3909-I/SS: Energy Metering IC Industrial Temperature, 24LD SSOP. b) MCP3909T-I/SS: Tape and Reel, ...
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... MCP3909 NOTES: DS22025B-page 42 © 2009 Microchip Technology Inc. ...
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... PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total Endurance, 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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... Fax: 886-3-6578-370 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 © 2009 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 ...