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SA2007HSA датащи(PDF) 3 Page - Sames |
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SA2007HSA датащи(HTML) 3 Page - Sames |
3 / 10 page 3/10 sames sames SA2007H http://www.sames.co.za Figure 2: Pin connections: Package: DIP-20, SOIC-20 Part Number SA2007HPA SA2007HSA Package DIP-20 SOIC-20 ORDERING INFORMATION PIN DESCRIPTION Analog Ground. The voltage to this pin should be mid-way between V and V . DD SS Positive supply voltage. The voltage to this pin is typically +2.5V if a shunt resistor is used for current sensing or in the case of a current transformer a +5V supply can be applied. Description PIN 20 8 Negative supply voltage. The voltage to this pin is typically -2.5V if a shunt resistor is used for current sensing or in the case of a current transformer a 0V supply can be applied. 14 Analog Input for Voltage. The current into the A/D converter should be set at 14µA at RMS nominal mains voltage. The voltage sense input saturates at an input current of ±25µA peak. 19 Inputs for current sensor - Channel 1 and Channel 2. The shunt resistor voltage from each channel is converted to a current of 16µA at rated conditions. The current sense input RMS saturates at an input current of ±25µA peak. 1, 2, 3, 4 This pin provides the connection for the reference current setting resistor. A 24kW resistor connected to V sets the optimum operating condition. SS 5 This logic input is used to select between latched or unlatched condition for the pulse and direction outputs. 6 A logic input is used to reset the latched outputs which is required after an interrupt has occurred. 7 The zero crossover of the voltage sense input is signaled on this pin. 9 Configure / Test inputs. For normal operations these pins must be connected to V . SS 10, 15 This logic output will indicate a change in status of the pulse or direction outputs. 12 Pulse outputs. The P1 and P2 outputs give instantaneous pulse outputs of channel 1 and channel 2 respectively. The pulse is active low with a pulse width of 71.5µs for positive energy and doubles for reverse energy. 17, 13 Direction output. These outputs indicate the energy flow direction of each channel. 18, 16 No Connection. 11 DR-01620 1 IIN1 AGND D2 IIP1 IVP TEST IIN2 D1 VSS IIP2 VREF OMODE RP VDD P1 P2 INT NC TCLK FMO 2 3 4 5 6 15 14 13 12 11 10 9 8 7 16 17 18 19 20 AGND V DD Designation V SS IVP IIN1, IIP1 IIN2, IIP2 VREF OMODE RP FMO TCLK, TEST INT P1, P2 D1, D2 NC PRELIMINARY |
Аналогичный номер детали - SA2007HSA |
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Аналогичное описание - SA2007HSA |
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