Datasheet AD8284 (Analog Devices) - 9

Data Sheet AD8284 Pin No. Mnemonic Description
24 INC+ Positive Mux Analog Input for Channel C. 25 INC− Negative Mux Analog Input for Channel C. 26 IND+ Positive Mux Analog Input for Channel D. 27 IND− Negative Mux Analog Input for Channel D. 28 AVDD33 3.3 V Analog Supply. 29 INADC+ Positive Analog Input for Alternate Channel (ADC Only). 30 INADC− Negative Analog Input for Alternate Channel (ADC Only). 31 AVDD18 1.8 V Analog Supply. 32 NC No Connection. Tie NC to any potential. 33 NC No Connection. Tie NC to any potential. 34 AGND Ground. 35 AVDD18ADC 1.8 V Analog Supply. 36 TEST3 Test. Do not use the TEST3 pin; tie TEST3 to ground. 37 ANOUT Analog Output. ANOUT is for debug purposes only. Leave ANOUT floating. 38 APOUT Analog Output. APOUT is for debug purposes only. Leave APOUT floating. 39 RBIAS External Resistor. The RBIAS pin sets the internal ADC core bias current. 40 VREF Voltage Reference Input/Output. 41 BAND Band Gap Voltage. BAND is for debug purposes only. Leave BAND floating. 42 AVDD33REF 3.3 V Analog Supply. 43 DVDD33CLK 3.3 V Digital Supply. 44 CLK− Clock Input Complement. 45 CLK+ Clock Input True. 46 DVDD18CLK 1.8 V Digital Supply. 47 TEST4 Test. Do not use the TEST4 pin; tie TEST4 to ground. 48 NC No Connection. Tie NC to any potential. 49 NC No Connection. Tie NC to any potential. 50 DVDD33DRV 3.3 V Digital Supply. 51 D11 ADC Data Output (MSB). 52 D10 ADC Data Output. 53 D9 ADC Data Output. 54 D8 ADC Data Output. 55 D7 ADC Data Output. 56 D6 ADC Data Output. 57 D5 ADC Data Output. 58 D4 ADC Data Output. 59 D3 ADC Data Output. 60 D2 ADC Data Output. 61 D1 ADC Data Output. 62 D0 ADC Data Output (LSB). 63 DVDD33DRV 3.3 V Digital Supply. 64 NC No Connection. Tie NC to any potential. EP Exposed Pad. Tie the exposed pad on the bottom side to the analog ground plane. Rev. D | Page 9 of 28 Document Outline Features Applications Functional Block Diagram General Description Table of Contents Revision History Specifications AC Specifications Digital Specifications Switching Specifications Timing and Switching Diagram Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Radar Receive Path AFE Channel Overview Multiplexer Low Noise Amplifier Recommendation Antialiasing Filter Saturation Flag ADC AUX Channel Clock Input Considerations Clock Duty Cycle Considerations Clock Jitter Considerations SDI and SDO Pins SCLK Pin CS Pin RBIAS Pin Voltage Reference Power and Ground Recommendations Exposed Pad Thermal Heat Slug Recommendations Serial Port Interface (SPI) Hardware Interface Memory Map Reading the Memory Map Table Caution Logic Levels Reserved Locations Default Values Application Circuits Packaging and Ordering Information Outline Dimensions Ordering Guide Automotive Products