Datasheet ADN8831 (Analog Devices) - 8

ADN8831 Data Sheet Pin No. Mnemonic Type Description
31 VLIM Analog Input Sets Maximum Voltage Across TEC Module. 32 ILIMH Analog Input Sets TEC Heating Current Limit. EP Metal paddle at the Exposed Pad. The LFCSP has an exposed pad that must be connected to AGND (Pin 12) and back of package the associated PCB ground plane. Rev. C | Page 8 of 18 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM REVISION HISTORY DETAILED BLOCK DIAGRAM SPECIFICATIONS ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION OSCILLATOR CLOCK FREQUENCY Free-Run Operation External Clock Operation Connecting Multiple ADN8831 Devices OSCILLATOR CLOCK PHASE TEMPERATURE LOCK INDICATOR SOFT START ON POWER-UP SHUTDOWN MODE STANDBY MODE TEC VOLTAGE/CURRENT MONITOR Voltage Monitor Current Monitor MAXIMUM TEC VOLTAGE LIMIT Using a DAC Using a Resistor Divider MAXIMUM TEC CURRENT LIMIT APPLICATIONS INFORMATION SIGNAL FLOW THERMISTOR SETUP THERMISTOR AMPLIFIER (Chop1) PID COMPENSATION AMPLIFIER (Chop2) MOSFET DRIVER AMPLIFIER OUTLINE DIMENSIONS ORDERING GUIDE