Datasheet AD71056 (Analog Devices) - 8
| Manufacturer | Analog Devices |
| Description | Energy Metering IC with Integrated Oscillator and Reverse Polarity Indication |
| Pages / Page | 20 / 8 — AD71056. TYPICAL PERFORMANCE CHARACTERISTICS. VDD. 100nF. 10µF. 602kΩ. … |
| Revision | A |
| File Format / Size | PDF / 416 Kb |
| Document Language | English |
AD71056. TYPICAL PERFORMANCE CHARACTERISTICS. VDD. 100nF. 10µF. 602kΩ. V2P. F1 16. 220V. 200Ω. 150nF. AD71056 CF 14. V2N. 40A TO. PS2501-1. 40mA. 820Ω
Model Line for this Datasheet
Text Version of Document
AD71056 TYPICAL PERFORMANCE CHARACTERISTICS VDD + 100nF 10µF 1 602kΩ VDD U3 K7 2 V2P F1 16 1 4 220V 200Ω 150nF F2 U1 15 AD71056 CF 14 2 3 200Ω 3 V2N K8 40A TO PS2501-1 40mA 150nF 820Ω REVP 12 200Ω 6.2kΩ 5 V1P + RCLKIN 11 350µΩ 150nF VDD 200Ω 4 V1N 10kΩ 150nF S0 10 S1 9 7 REF + IN/OUT 1µF 100nF SCF 8 AGND DGND 10nF 10nF 10nF 6 13
4 -00 636 05 Figure 4. Test Circuit for Performance Curves
1.0 1.0 PF = 1 PF = 1 0.8 ON-CHIP REFERENCE 0.8 EXTERNAL REFERENCE 0.6 0.6 ) +85°C ) –40°C g 0.4 g 0.4 in in 0.2 +25°C 0.2 f Read f Read +25°C o 0 o 0 % % R ( –0.2 R ( –0.2 –40°C +85°C RRO –0.4 RRO E –0.4 E –0.6 –0.6 –0.8
05 07 0
–0.8
0 6- 6- 63 63
–1.0
05
–1.0
05
0.1 1 10 100 0.1 1 10 100 CURRENT CHANNE L (% of Full Scale) CURRENT CHANNE L (% of Full Scale)
Figure 5. Error as a % of Reading over Temperature with Figure 7. Error as a % of Reading over Temperature with On-Chip Reference (PF = 1) External Reference (PF = 1)
1.0 1.0 PF = 0.5 IND PF = 0.5 IND 0.8 ON-CHIP REFERENCE 0.8 EXTERNAL REFERENCE 0.6 0.6 +85°C, PF = 0.5 IND ) ) g 0.4 g 0.4 –40°C, PF = 0.5 IND in in 0.2 +25°C, PF = 1 0.2 +25°C, PF = 1 f Read f Read o 0 o 0 % % R ( –0.2 R ( –0.2 +25°C, PF = 0.5 IND RRO –0.4 –40°C, PF = 0.5 IND RRO E –0.4 E +25°C, PF = 0.5 IND +85°C, PF = 0.5 IND –0.6 –0.6 –0.8
06 08 0
–0.8
0 6- 6- 63 63
–1.0
05
–1.0
05
0.1 1 10 100 0.1 1 10 100 CURRENT CHANNE L (% of Full Scale) CURRENT CHANNE L (% of Full Scale)
Figure 6. Error as a % of Reading over Temperature with Figure 8. Error as a % of Reading over Temperature with On-Chip Reference (PF = 0.5 IND) External Reference (PF = 0.5 IND) Rev. A | Page 8 of 20 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS Timing Diagram ABSOLUTE MAXIMUM RATINGS ESD CAUTION TERMINOLOGY PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION POWER FACTOR CONSIDERATIONS NONSINUSOIDAL VOLTAGE AND CURRENT APPLICATIONS ANALOG INPUTS Channel V1 (Current Channel) Channel V2 (Voltage Channel) Typical Connection Diagrams POWER SUPPLY MONITOR HPF and Offset Effects Digital-to-Frequency Conversion Connecting to a Microcontroller for Energy Measurement Power Measurement Considerations INTERNAL OSCILLATOR (OSC) 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
4 -00 636 05 Figure 4. Test Circuit for Performance Curves
1.0 1.0 PF = 1 PF = 1 0.8 ON-CHIP REFERENCE 0.8 EXTERNAL REFERENCE 0.6 0.6 ) +85°C ) –40°C g 0.4 g 0.4 in in 0.2 +25°C 0.2 f Read f Read +25°C o 0 o 0 % % R ( –0.2 R ( –0.2 –40°C +85°C RRO –0.4 RRO E –0.4 E –0.6 –0.6 –0.8
05 07 0
–0.8
0 6- 6- 63 63
–1.0
05
–1.0
05
0.1 1 10 100 0.1 1 10 100 CURRENT CHANNE L (% of Full Scale) CURRENT CHANNE L (% of Full Scale)
Figure 5. Error as a % of Reading over Temperature with Figure 7. Error as a % of Reading over Temperature with On-Chip Reference (PF = 1) External Reference (PF = 1)
1.0 1.0 PF = 0.5 IND PF = 0.5 IND 0.8 ON-CHIP REFERENCE 0.8 EXTERNAL REFERENCE 0.6 0.6 +85°C, PF = 0.5 IND ) ) g 0.4 g 0.4 –40°C, PF = 0.5 IND in in 0.2 +25°C, PF = 1 0.2 +25°C, PF = 1 f Read f Read o 0 o 0 % % R ( –0.2 R ( –0.2 +25°C, PF = 0.5 IND RRO –0.4 –40°C, PF = 0.5 IND RRO E –0.4 E +25°C, PF = 0.5 IND +85°C, PF = 0.5 IND –0.6 –0.6 –0.8
06 08 0
–0.8
0 6- 6- 63 63
–1.0
05
–1.0
05
0.1 1 10 100 0.1 1 10 100 CURRENT CHANNE L (% of Full Scale) CURRENT CHANNE L (% of Full Scale)
Figure 6. Error as a % of Reading over Temperature with Figure 8. Error as a % of Reading over Temperature with On-Chip Reference (PF = 0.5 IND) External Reference (PF = 0.5 IND) Rev. A | Page 8 of 20 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS Timing Diagram ABSOLUTE MAXIMUM RATINGS ESD CAUTION TERMINOLOGY PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION POWER FACTOR CONSIDERATIONS NONSINUSOIDAL VOLTAGE AND CURRENT APPLICATIONS ANALOG INPUTS Channel V1 (Current Channel) Channel V2 (Voltage Channel) Typical Connection Diagrams POWER SUPPLY MONITOR HPF and Offset Effects Digital-to-Frequency Conversion Connecting to a Microcontroller for Energy Measurement Power Measurement Considerations INTERNAL OSCILLATOR (OSC) 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
