Datasheet ADN8810 (Analog Devices) - 6

ADN8810 Data Sheet PIN CONFIGURATION AND FUNCTION DESCRIPTIONS K ND DD PIN 1 ESET INDICATOR DG DV R SCL SDI CS 24 23 22 21 20 19 ADDR2 1 18 DVSS RSN 2 17 NIC FB 3 ADN8810 16 AVSS ADDR1 4 TOP VIEW 15 AVDD (Not to Scale) ADDR0 5 14 VREF FAULT 6 13 NIC 7 8 9 10 11 12 D T T D P SB M PVD IOU IOU PVD ENCO
003
NOTES
0-
1. NIC = NOT INTERNALLY CONNECTED. 2. EXPOSED PAD. CONNECT THE EXPOSED PAD TO DGND.
03195- Figure 3. Pin Configuration
Table 4. Pin Function Descriptions Pin No. Mnemonic Type Description
1 ADDR2 Digital Input Chip Address, Bit 2. 2 RSN Analog Input Sense Resistor RS2 Feedback. 3 FB Analog Input Sense Resistor RS1 Feedback. 4 ADDR1 Digital Input Chip Address, Bit 1. 5 ADDR0 Digital Input Chip Address, Bit 0. 6 FAULT Digital Output Load Open/Short Indication. 7 SB Digital Input Active Deactivates Output Stage (High Output Impedance State). 8, 11 PVDD Analog Power Power Supply for IOUT (3.3 V Recommended). 9, 10 IOUT Analog Output Current Output. 12 ENCOMP Digital Input Connect to AVSS. 13, 17 NIC Not Applicable Not Internally Connected. 14 VREF Analog Input Input for High Accuracy External Reference Voltage (ADR292ER). 15 AVDD Analog Power Power Supply for DAC. 16 AVSS Analog Ground Connect to Analog Ground or Most Negative Potential in Dual-Supply Applications. 18 DVSS Digital Ground Connect to Digital Ground or Most Negative Potential in Dual-Supply Applications. 19 SDI Digital Input Serial Data Input. 20 SCLK Digital Input Serial Clock Input. 21 CS Digital Input Chip Select; Active Low. 22 RESET Digital Input Asynchronous Reset to Return DAC Output to Code Zero; Active Low. 23 DVDD Digital Power Power Supply for Digital Interface. 24 DGND Digital Ground Digital. EPAD Heat Sink Exposed Pad. Connect the exposed pad to DGND. Rev. C | Page 6 of 14 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY FUNCTIONAL DESCRIPTION SETTING FULL-SCALE OUTPUT CURRENT POWER SUPPLIES SERIAL DATA INTERFACE STANDBY AND RESET MODES POWER DISSIPATION USING MULTIPLE ADN8810 DEVICES FOR ADDITIONAL OUTPUT CURRENT ADDING DITHER TO THE OUTPUT CURRENT DRIVING COMMON-ANODE LASER DIODES PCB LAYOUT RECOMMENDATIONS SUGGESTED PAD LAYOUT FOR CP-24 PACKAGE OUTLINE DIMENSIONS ORDERING GUIDE