link to page 11 ADL5306 PIN CONFIGURATION AND PIN FUNCTION DESCRIPTIONS COMM COMM COMM COMM16151413NC 112 VOUTVREF 211 SCALADL5306IREF 310 BFININPT 49 VLOG5678VSUM VNEG VNEG VPOS03727-0-002 Figure 2. 16-Lead Leadframe Chip Scale Package (LFCSP) Table 3. Pin Function Descriptions Pin No.MnemonicFunction 1 NC N/A 2 VREF Reference Output Voltage of 2.5 V. 3 IREF Accepts (Sinks) Reference Current IREF. 4 INPT Accepts (Sinks) Photodiode Current IPD. Usually connected to photodiode anode such that photocurrent flows into INPT. 5 VSUM Guard Pin. Used to shield the INPT current line and for optional adjustment of the INPT and IREF node potential. 6, 7 VNEG Optional Negative Supply, VN. This pin is usually grounded; for details of usage, see the Applications section. 8 VPOS Positive Supply, ( VP – VN ) ≤ 11 V. 9 VLOG Output of the Logarithmic Front End. 10 BFIN Buffer Amplifier Noninverting Input. 11 SCAL Buffer Amplifier Inverting Input. 12 VOUT Buffer Output. 13–16 COMM Analog Ground. Rev. 0 | Page 5 of 16 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION AND PIN FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS GENERAL STRUCTURE THEORY MANAGING INTERCEPT AND SLOPE RESPONSE TIME AND NOISE CONSIDERATIONS APPLICATIONS USING A NEGATIVE SUPPLY CHARACTERIZATION METHODS EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE