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AS8228 Datasheet(PDF) 11 Page - ams AG |
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AS8228 Datasheet(HTML) 11 Page - ams AG |
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11 / 123 page  Data Sheet AS8218 / AS8228 Revision 3.0, 31-May-06 Page 11 of 123 Parameter Symbol Min Typ Max Unit Notes High level output current IOH 8 mA If ‘8mA’ is selected. Tested at VDD=3.0V and Vout=VOH Low level output current IOL -8 mA If ‘8mA’ is selected. Tested at VDD=3.0V and Vout=VOL LCDD Outputs The Liquid Crystal display driver (LCDD) outputs are specified in the LCD Driver section of this data sheet. 6.4 Electrical System Specification Parameter Symbol Min Typ Max Unit Notes Input Signals Voltage channel input voltage |VVP| 100 212 mVp Referenced to VSSA Current channel input voltage (Gain=4) |VI1P|, |VI2P| 150 212 mVp Referenced to VSSA Current channel input voltage (Gain=16) |VI1P|, |VI2P| 38 54 mVp Referenced to VSSA Current channel input voltage (Gain=20) |VI1P|, |VI2P| 30 42 mVp Referenced to VSSA Mains frequency fmains 45 65 Hz Dynamic range current DR(I) 600:1 Dynamic range power DR(P) 2000:1 Accuracy 0.1 % Reading Error variation over dyn. range err(dr) 0.2 % 1) Error variation over temperature err(temp) 0.5 % Within operating temperature range, 1) Error variation over cos(phi) err(cosphi) 0.5 % From 1 to 0.5, 1) Error variation with VDD err(VDD) 0.2 % 1) Output pulse jitter J 0.1 % 2) Mains voltage Vmains 264 V(rms) 240V + 10%, 3) Measured current Imax 120 A(rms) 3) Measurement bandwidth BW 1.75 kHz Notes: 1) Errors determined during energy measurement using a demoboard and a reference meter with high accuracy (0.05%), which calculates the actual error. 2) Difference between largest and smallest error of 20 successive error samples; maximum meter constant: 1,600i/kWh; reference meter: 10,000 x DUT-meter-constant; measured at 5% Ib, Ib and Imax. 3) What is used for system considerations/calculations. |
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