Datasheet ADE7752, ADE7752A (Analog Devices) - 3

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ADE7752/ADE7752A SPECIFICATIONS
VDD = 5 V ± 5%, AGND = DGND = 0 V, on-chip reference, CLKIN = 10 MHz, TMIN to TMAX = –40°C to +85°C, unless otherwise noted.
Table 1. ADE7752 ADE7752A Parameter Min Typ Max Min Typ Max Unit Conditions
ACCURACY1, 2 Measurement Error on Current 0.1 0.1 % Reading Voltage channel with full-scale signal Channel (±500 mV), 25°C, over a dynamic range of 500 to 1 Phase Error Between Channels PF = 0.8 Capacitive ±0.1 ±0.1 Degrees PF = 0.5 Inductive ±0.1 ±0.1 Degrees AC Power Supply Rejection SCF = 0; S0 = S1 = 1 Output Frequency Variation 0.01 0.01 % Reading IA = IB = IC = 100 mV rms, (CF) VA = VB = VC = 100 mV rms, @ 50 Hz, ripple on VDD of 175 mV rms @ 100 Hz DC Power Supply Rejection S1 = 1; S0 = SCF = 0 Output Frequency Variation 0.1 0.1 % Reading IA = IB = IC = 100 mV rms, (CF) VA = VB = VC = 100 mV rms, VDD = 5 V ±250 mV ANALOG INPUTS See the Analog Inputs section. Maximum Signal Levels ±0.5 ±0.5 Vpeak VAP to VN, VBP to VN, VCP to VN, IAP to IAN, differential IBP to IBN, ICP to ICN Input Impedance (DC) 370 410 370 450 kΩ CLKIN = 10 MHz Bandwidth (–3 dB) 14 14 kHz CLKIN/256, CLKIN = 10 MHz ADC Offset Error1, 2 ±25 ±25 mV Gain Error ±9 ±9 % Ideal External 2.5 V reference, IA = IB = IC = 500 mV dc REFERENCE INPUT REFIN/OUT Input Voltage Range 2.6 2.6 V 2.4 V + 8% 2.2 2.2 V 2.4 V – 8% Input Impedance 3.3 3.3 kΩ Input Capacitance 10 10 pF ON-CHIP REFERENCE Nominal 2.4 V Reference Error ±200 ±200 mV Temperature Coefficient 25 25 ppm/°C CLKIN All specifications for CLKIN of 10 MHz Input Clock Frequency 10 10 MHz LOGIC INPUTS3 ACF, S0, S1, and ABS Input High Voltage, VINH 2.4 2.4 V VDD = 5 V ±5% Input Low Voltage, VINL 0.8 0.8 V VDD = 5 V ±5% Input Current, IIN ±3 ±3 μA Typically 10 nA, VIN = 0 V to VDD Input Capacitance, CIN 10 10 pF LOGIC OUTPUTS3 F1 and F2 Output High Voltage, VOH 4.5 4.5 V ISOURCE = 10 mA, VDD = 5 V Output Low Voltage, VOL 0.5 0.5 V ISINK = 10 mA, VDD = 5 V CF and REVP Output High Voltage, VOH 4 4 V VDD = 5 V, ISOURCE = 5 mA Output Low Voltage, VOL 0.5 0.5 V VDD = 5 V, ISINK = 5 mA POWER SUPPLY For specified performance VDD 4.75 5.25 4.75 5.25 V 5 V ±5% IDD 12 16 6 9 mA 1 See the Terminology section for explanation of specifications. 2 See the plots in the Typical Performance Characteristics section. 3 Sample tested during initial release and after any redesign or process change that may affect this parameter. Rev. C | Page 3 of 24 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUIT TERMINOLOGY THEORY OF OPERATION POWER FACTOR CONSIDERATIONS NONSINUSOIDAL VOLTAGE AND CURRENT ANALOG INPUTS CURRENT CHANNELS VOLTAGE CHANNELS TYPICAL CONNECTION DIAGRAMS CURRENT CHANNEL CONNECTION VOLTAGE CHANNELS CONNECTION METER CONNECTIONS POWER SUPPLY MONITOR HPF AND OFFSET EFFECTS DIGITAL-TO-FREQUENCY CONVERSION MODE SELECTION OF THE SUM OF THE THREE ACTIVE ENERGIES POWER MEASUREMENT CONSIDERATIONS TRANSFER FUNCTION FREQUENCY OUTPUTS F1 AND F2 FREQUENCY OUTPUT CF SELECTING A FREQUENCY FOR AN ENERGY METER APPLICATION FREQUENCY OUTPUTS NO LOAD THRESHOLD NEGATIVE POWER INFORMATION OUTLINE DIMENSIONS ORDERING GUIDE