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ADN2891 Datasheet(PDF) 6 Page - Analog Devices |
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ADN2891 Datasheet(HTML) 6 Page - Analog Devices |
6 / 16 page ADN2891 Rev. A | Page 6 of 16 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS AVCC 1 5 6 7 8 16 15 14 13 PIN 2 TOP VIEW (Not to Scale) NIN 3 AVEE 4 DRVCC 12 OUTN 10 DRVEE 9 OUTP 11 ADN2891 Figure 2. Pin Configuration Note that the LFCSP has an exposed pad on the bottom. To improve heat dissipation, the exposed pad must be soldered to the GND plane with filled vias. Table 4. Pin Function Descriptions Pin No. Mnemonic I/O Type Descriptions 1 1 AVCC P Analog Power Supply. 2 PIN AI Differential Data Input, Positive Port, 50 Ω On-Chip Termination. 3 NIN AI Differential Data Input, Negative Port, 50 Ω On-Chip Termination. 4 AVEE P Analog Ground. 5 THRADJ AO LOS Threshold Adjust Resistor. 6 CAZ1 AI If needed, one capacitor can connect between the CAZ1 and CAZ2 pin for input offset correction. 7 CAZ2 AI If needed, one capacitor can connect between the CAZ1 and CAZ2 pin for input offset correction. 8 LOS DO LOS Detector Output, Open Collector. 9 DRVEE P Output Buffer Ground. 10 OUTN DO Differential Data Output, CML, Negative Port, 50 Ω On-Chip Termination. 11 OUTP DO Differential Data Output, CML, Positive Port, 50 Ω On-Chip Termination. 12 DRVCC P Output Buffer Power Supply. 13 SQUELCH DI Disable Outputs, 100 kΩ On-Chip Pull-Down Resistor. 14 RSSI_OUT AO Average Current Output. 15 PD_VCC P Power Input for RSSI Measurement. 16 PD_CATHODE AO Photodiode Bias Voltage. Pad P Connect to Ground. Exposed Pad 1 P = power; DI = digital input; DO = digital output; AI = analog input; and AO = analog output. |
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Similar Description - ADN2891_15 |
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