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ADPD107 Datasheet(PDF) 13 Page - Analog Devices |
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ADPD107 Datasheet(HTML) 13 Page - Analog Devices |
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13 / 66 page  Data Sheet ADPD105/ADPD106/ADPD107 Rev. A | Page 13 of 66 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS 1 GPIO0 2 GPIO1 3 DVDD 4 AGND 5 VREF 6 AVDD 7 PD1 17 NIC 18 NIC 19 NIC 20 NIC 21 NIC 16 NIC 15 PD8 ADPD105 TOP VIEW (Not to Scale) NOTES 1. NIC = NOT INTERNALLY CONNECTED (NONBONDED PAD). THIS PIN CAN BE GROUNDED. 2. EXPOSED PAD (DIGITAL GROUND). CONNECT THE EXPOSED PAD TO GROUND. Figure 6. 28-Lead LFCSP Pin Configuration (ADPD105) Table 11. 28-Lead LFCSP Pin Function Descriptions Pin No. Mnemonic Type1 Description 1 GPIO0 DIO General-Purpose Input/Output (I/O). This pin is used for interrupts and various clocking options. 2 GPIO1 DIO General-Purpose I/O. This pin is used for interrupts and various clocking options. 3 DVDD S 1.8 V Digital Supply. 4 AGND S Analog Ground. 5 VREF REF Internally Generated ADC Voltage Reference. Buffer this pin with a 1 μF capacitor to AGND. 6 AVDD S 1.8 V Analog Supply. 7 PD1 AI Photodiode Current Input (Anode). If not in use, leave this pin floating. 8 PD2 AI Photodiode Current Input (Anode). If not in use, leave this pin floating. 9 PD3 AI Photodiode Current Input (Anode). If not in use, leave this pin floating. 10 PD4 AI Photodiode Current Input (Anode). If not in use, leave this pin floating. 11 PDC AO Photodiode Common Cathode Bias. 12 PD5 AI Photodiode Current Input (Anode). If not in use, leave this pin floating. 13 PD6 AI Photodiode Current Input (Anode). If not in use, leave this pin floating. 14 PD7 AI Photodiode Current Input (Anode). If not in use, leave this pin floating. 15 PD8 AI Photodiode Current Input (Anode). If not in use, leave this pin floating. 16 to 22 NIC R Not Internally Connected (Nonbonded Pad). This pin can be grounded. 23 LEDX1 AO LED Driver 1 Current Sink. If not in use, leave this pin floating. 24 LEDX3 AO LED Driver 3 Current Sink. If not in use, leave this pin floating. 25 LEDX2 AO LED Driver 2 Current Sink. If not in use, leave this pin floating. 26 LGND S LED Driver Ground. 27 SCL DI I2C Clock Input. 28 SDA DIO I2C Data Input/Output. EPAD (DGND) S Exposed Pad (Digital Ground). Connect the exposed pad to ground. 1 DIO means digital input/output, S means supply, REF means voltage reference, AI means analog input, AO means analog output, R means reserved, and DI means digital input. |
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