Motore di ricerca datesheet componenti elettronici |
|
ADE7762ARWZ-RL Scheda tecnica(PDF) 1 Page - Analog Devices |
|
ADE7762ARWZ-RL Scheda tecnica(HTML) 1 Page - Analog Devices |
1 / 28 page Polyphase Energy Metering IC with Phase Drop Indication Preliminary Technical Data ADE7762 Rev. PrB Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 © 200 6 Analog Devices, Inc. All rights reserved. FEATURES High accuracy supports 50 Hz/60 Hz IEC62053-21 Less than 0.1% error over a dynamic range of 500 to 1 Compatible with 3-phase 3-wire delta and 3-phase 4-wire Wye configurations Supplies average active power on the frequency outputs F1 and F2 High frequency output (CF) is intended for calibration and supplies instantaneous active power Logic output REVP indicates a potential miswiring or negative power on the sum of all phases Dropout indication for each phase on LED driver pins Phase sequence error detection Direct drive for electromechanical counters and 2-phase stepper motors (F1 and F2) Proprietary ADCs and DSP provide high accuracy over large variations in environmental conditions and time On-chip power supply monitoring On-chip creep protection (no load threshold) On-chip reference 2.4 V ± 8% (25 ppm/°C typical) with external overdrive capability Single 5 V supply, low power (TBD mW typical) Low cost CMOS process GENERAL DESCRIPTION The ADE77621 is a high accuracy polyphase electrical energy measurement IC. The ADE7762 specifications surpass the accuracy requirements as quoted in the IEC62053-21 standard. The only analog circuitry used in the ADE7762 is in the analog-to-digital converters (ADCs) and reference circuit. All other signal processing (for example, multiplication, filtering, and summation) is carried out in the digital domain. This approach provides superior stability and accuracy over extremes in environmental conditions and over time. The ADE7762 supplies average active power information on the low frequency outputs, F1 and F2. These logic outputs can be used to directly drive an electromechanical counter or to inter- face with an MCU. The CF logic output gives instantaneous active power information. This output is intended to be used for calibration purposes. The ADE7762 includes a power supply monitoring circuit on the VDD pin. The ADE7762 remains inactive until the supply voltage on VDD reaches 4 V. If the supply falls below 4 V, the ADE7762 also resets and no pulses are issued on F1, F2, and CF. A multiple multiplexed logic output provides phase dropout per phase, reverse polarity per phase, and a phase sequence error. Internal phase matching circuitry ensures that the voltage and current channels are phase matched. An internal no load threshold ensures the ADE7762 does not exhibit any creep when there is no load. The ADE7762 is available in a 28-lead SOIC package. 1 Patent pending. FUNCTIONAL BLOCK DIAGRAM 19 5 4 21 22 3 26 25 24 23 20 6 27 28 2 1 14 13 LPF HPF Φ CLKOUT CLKIN DGND CF S1 F1 F2 S0 SCF REVP LED_C LED_B LED_A LED_CTRL DIGITAL-TO-FREQUENCY CONVERTER 2.4V REF REFIN/OUT AGND 4k Ω IBP IBN VBP VN ICP ICN VCP IAP IAN VAP ADC ADC ADC ADC VDD ADE7762 POWER SUPPLY MONITOR ADC ADC HPF Φ HPF Φ LPF LPF PHASE AND REVP MONITOR Σ X X X ABS 15 12 11 17 10 9 18 8 7 16 Figure 1. |
Codice articolo simile - ADE7762ARWZ-RL |
|
Descrizione simile - ADE7762ARWZ-RL |
|
|
Link URL |
Privacy Policy |
ALLDATASHEETIT.COM |
Lei ha avuto il aiuto da alldatasheet? [ DONATE ] |
Di alldatasheet | Richest di pubblicita | contatti | Privacy Policy | scambio Link | Ricerca produttore All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |