ADE7755ARSZ

Product Summary

The ADE7755ARSZ is a high accuracy electrical energy measurement IC. The part specifications surpass the accuracy requirements as quoted in the IEC 1036 standard. The only analog circuitry used in the ADE7755ARSZ is in the ADCs and reference circuit. All other signal processing (for example, multiplication and filtering) is carried out in the digital domain. This approach provides superior stability and accuracy over extremes in environmental conditions and over time.

Parametrics

ADE7755ARSZ absolute maximum ratings: (1)AVDD to AGND: 0.3 V to +7 V; (2)DVDD to DGND: 0.3 V to +7 V; (3)DVDD to AVDD: 0.3 V to +0.3 V; (4)Analog Input Voltage to AGND V1P, V1N, V2P, and V2N 6 V to +6 V; (5)Reference Input Voltage to AGND: 0.3 V to AVDD + 0.3 V; (6)Digital Input Voltage to DGND: 0.3 V to DVDD + 0.3 V; (7)Digital Output Voltage to DGND: 0.3 V to DVDD + 0.3 V; (8)Operating Temperature Range Industrial: 40℃ to +85℃; (9)Storage Temperature Range: 65℃ to +150℃; (10)Junction Temperature: 150℃; (11)24-Lead SSOP, Power Dissipation: 450 mW; (12)θJA Thermal Impedance: 112℃/W; (13)Lead Temperature, Soldering Vapor Phase (60 sec): 215℃; (14)Infrared (15 sec): 220℃.

Features

ADE7755ARSZ features: (1)High accuracy, surpasses 50 Hz/60 Hz IEC 687/IEC 1036; (2)Less than 0.1% error over a dynamic range of 500 to 1; (3)Supplies active power on the frequency outputs, F1 and F2; (4)High frequency output CF is intended for calibration and supplies instantaneous active power; (5)Synchronous CF and F1/F2 outputs; (6)Logic output REVP provides information regarding the sign of the active power; (7)Direct drive for electromechanical counters and 2-phase stepper motors (F1 and F2); (8)Programmable gain amplifier (PGA) in the current channel; (9)facilitates usage of small shunts and burden resistors; (10)Proprietary ADCs and DSPs provide high accuracy over large; (11)variations in environmental conditions and time; (12)On-chip power supply monitoring; (13)On-chip creep protection (no load threshold); (14)On-chip reference 2.5 V ± 8% (30 ppm/℃ typical) with external overdrive capability; (15)Single 5 V supply, low power (15 mW typical); (16)Low cost CMOS process.

Diagrams