78M6612-IM/F Maxim Integrated Products, 78M6612-IM/F Datasheet - Page 98

• Manufacturer Part Number: 78M6612-IM/F
• Description: IC POWER MEASUREMENT AC 68-QFN
• Manufacturer: Maxim Integrated Products

Specifications of 78M6612-IM/F

• Processor Series: 6612x
• Core: 80515
• Data Bus Width: 32 bit
• Program Memory Type: Flash
• Program Memory Size: 32 KB
• Data Ram Size: 2 KB
• Interface Type: UART
• Maximum Clock Frequency: 5 MHz
• Number Of Programmable I/os: 18
• Number Of Timers: 1
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QFN
• Development Tools By Supplier: 78M6612-DB/OMU-RF, 78M6612-DB/OMU-USB
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

78M6612 Data Sheet
5.5.6 Typical Performance Data
98
Figure 39: Wh Accuracy, 20 mA to 20 A at 120 V/60 Hz and Room Temperature Using a 4 mΩ
Measured at current distortion amplitude of 40% and voltage distortion amplitude of 10%.
Figure 40: Measurement Accuracy over Harmonics at 240 V, 30A per IEC62053-2x
-1
-2
-3
-4
-5
-6
-7
-8
2
1
0
1
-0.1
-0.2
-0.3
-0.4
-0.5
0.5
0.4
0.3
0.2
0.1
0
0.01
3
50Hz Harmonic Data
5
7
0.1
9
Current Shunt
11
Wh Accuracy (%)
60Hz Harmonic Data
Harmonic
1
13
15
17
10
Current (A)
19
21
Wh Accuracy (%)
23
25
DS_6612_001
Rev. 1.2