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ADUM5201CRWZ データシート(PDF) 11 Page - Analog Devices |
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ADUM5201CRWZ データシート(HTML) 11 Page - Analog Devices |
11 / 24 page ADuM5200/ADuM5201/ADuM5202 Rev. 0 | Page 11 of 24 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS VDD1 1 GND1 2 VIA 3 VIB 4 VISO 16 GNDISO 15 VOA 14 VOB 13 RCIN 5 NC 12 RCSEL 6 VSEL 11 NC 7 VE2 10 GND1 8 GNDISO 9 ADuM5200 TOP VIEW (Not to Scale) NC = NO CONNECT Figure 6. ADuM5200 Pin Configuration Table 10. ADUM5200 Pin Function Descriptions Pin No. Mnemonic Description 1 VDD1 Primary Supply Voltage 3.0 V to 5.5 V. 2, 8 GND1 Ground 1. Ground reference for the isolator primary side. Pin 2 and Pin 8 are internally connected to each other, and it is recommended that both pins be connected to a common ground. 3 VIA Logic Input A. 4 VIB Logic Input B. 5 RCIN Regulation Control Input. This pin must be connected to an RCOUT signal from another device or tied low. Note: This pin must not be tied high if RCSEL is low; this combination causes excessive voltage on the secondary side, damaging the ADuM5200 and possibly the devices that it powers. 6 RCSEL Control Input. Determines self-regulation (RCSEL high) mode or slave mode (RCSEL low) allowing external regulation. This pin is weakly pulled to the high state. In noisy environments, tie it either high or low. 7, 12 NC No Internal Connection. 9, 15 GNDISO Ground Reference for Isolator Side 2. Pin 9 and Pin 15 are internally connected to each other, and it is recommended that both pins be connected to a common ground. 10 VE2 Data Enable Input. When high or no connect, the secondary outputs are active; when low, the outputs are in a high-Z state. 11 VSEL Output Voltage Selection. When VSEL = VISO, the VISO setpoint is 5.0 V. When VSEL = GNDISO, the VISO setpoint is 3.3 V. In slave regulation mode, this pin has no function. 13 VOB Logic Output B. 14 VOA Logic Output A. 16 VISO Secondary Supply Voltage. Output for secondary side isolated data channels and external loads. |
同様の部品番号 - ADUM5201CRWZ |
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同様の説明 - ADUM5201CRWZ |
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