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AD7403 датащи(PDF) 10 Page - Analog Devices |
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AD7403 датащи(HTML) 10 Page - Analog Devices |
10 / 25 page Data Sheet AD7403 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS VDD1 1 VIN+ 2 VIN– 3 GND1 4 GND2 16 NIC2 15 VDD2 14 MCLKIN 13 NIC1 5 NIC2 12 NIC1 6 MDAT 11 VDD1 7 NIC2 10 GND1 8 GND2 9 1NIC = NOT INTERNALLY CONNECTED. CONNECT TO VDD1, GND1, OR LEAVE FLOATING. 2NIC = NOT INTERNALLY CONNECTED. CONNECT TO VDD2, GND2, OR LEAVE FLOATING. AD7403 TOP VIEW (Not to Scale) Figure 5. AD7403 Pin Configuration Table 10. AD7403 Pin Function Descriptions Pin No. Mnemonic Description 1, 7 VDD1 Supply Voltage, 4.5 V to 5.5 V. This is the supply voltage for the isolated side of the AD7403 and is relative to GND1. For device operation, connect the supply voltage to both Pin 1 and Pin 7. Decouple each supply pin to GND1 with a 10 µF capacitor in parallel with a 1 nF capacitor. 2 VIN+ Positive Analog Input. 3 VIN− Negative Analog Input. Normally connected to GND1. 4, 8 GND1 Ground 1. This pin is the ground reference point for all circuitry on the isolated side. 5, 6 NIC Not Internally Connected. These pins are not internally connected. Connect to VDD1, GND1, or leave floating. 9, 16 GND2 Ground 2. This pin is the ground reference point for all circuitry on the nonisolated side. 10, 12, 15 NIC Not Internally Connected. These pins are not internally connected. Connect to VDD2, GND2, or leave floating. 11 MDAT Serial Data Output. The single bit modulator output is supplied to this pin as a serial data stream. The bits are clocked out on the rising edge of the MCLKIN input and are valid on the following MCLKIN rising edge. 13 MCLKIN Master Clock Logic Input. 5 MHz to 20 MHz frequency range. The bit stream from the modulator is propagated on the rising edge of the MCLKIN. 14 VDD2 Supply Voltage, 3 V to 5.5 V. This is the supply voltage for the nonisolated side and is relative to GND2. Decouple this supply to GND2 with a 100 nF capacitor. VDD1 1 VDD2 VIN+ 2 VIN– 3 GND1 4 8 7 6 MCLKIN MDAT GND2 5 AD7403-8 TOP VIEW (Not to Scale) Figure 6. AD7403-8 Pin Configuration Table 11. AD7403-8 Pin Function Descriptions Pin No. Mnemonic Description 1 VDD1 Supply Voltage, 4.5 V to 5.5 V. This is the supply voltage for the isolated side of the AD7403-8 and is relative to GND1. For device operation, connect the supply voltage to both Pin 1 and Pin 7. Decouple each supply pin to GND1 with a 10 µF capacitor in parallel with a 1 nF capacitor. 2 VIN+ Positive Analog Input. 3 VIN− Negative Analog Input. Normally connected to GND1. 4 GND1 Ground 1. This pin is the ground reference point for all circuitry on the isolated side. 5 GND2 Ground 2. This pin is the ground reference point for all circuitry on the nonisolated side. 6 MDAT Serial Data Output. The single bit modulator output is supplied to this pin as a serial data stream. The bits are clocked out on the rising edge of the MCLKIN input and are valid on the following MCLKIN rising edge. 7 MCLKIN Master Clock Logic Input. 5 MHz to 20 MHz frequency range. The bit stream from the modulator is propagated on the rising edge of the MCLKIN. 8 VDD2 Supply Voltage, 3 V to 5.5 V. This is the supply voltage for the nonisolated side and is relative to GND2. Decouple this supply to GND2 with a 100 nF capacitor. Rev. B | Page 9 of 24 |
Аналогичный номер детали - AD7403 |
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Аналогичное описание - AD7403 |
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