Datasheet AD8318 (Analog Devices) - 7

Data Sheet AD8318 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS P I M LO H NBL E IN IN TE 16 15 14 13 CMIP 1 12 CMIP CMIP 2 AD8318 11 CMIP TOP VIEW VPSI 3 10 TADJ (Not to Scale) VPSI 4 9 VPSO 5 6 7 8 F T P P U O CL VO VSET CM NOTES
-002
1. EPAD. INTERNALLY CONNECTED
4853
TO CMIP (SOLDER TO GROUND).
0 Figure 3. Pin Configuration
Table 3. Pin Function Descriptions Pin No. Mnemonic Description
1, 2, 11, 12 CMIP Device Common (Input System Ground). 3, 4 VPSI Positive Supply Voltage (Input System): 4.5 V to 5.5 V. Voltage on Pin 3, Pin 4, and Pin 9 should be equal. 5 CLPF Loop Filter Capacitor. 6 VOUT Measurement and Controller Output. 7 VSET Setpoint Input for Controller Mode or Feedback Input for Measurement Mode. 8 CMOP Device Common (Output System Ground). 9 VPSO Positive Supply Voltage (Output System): 4.5 V to 5.5 V. Voltage on Pin 3, Pin 4, and Pin 9 should be equal. 10 TADJ Temperature Compensation Adjustment. 13 TEMP Temperature Sensor Output. 14 INHI RF Input. Nominal input range: −60 dBm to 0 dBm (referenced to 50 Ω), ac-coupled. 15 INLO RF Common for INHI. AC-coupled RF common. 16 ENBL Device Enable. Connect to VPSI for normal operation. Connect pin to ground for disable mode. EPAD Internally Connected to CMIP (Solder to Ground). Rev. D | Page 7 of 24 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Using the AD8318 Basic Connections Enable Interface Input Signal Coupling Output Interface Setpoint Interface Temperature Compensation of Output Voltage Temperature Sensor Measurement Mode Device Calibration and Error Calculation Selecting Calibration Points to Improve Accuracy over a Reduced Range Variation in Temperature Drift from Device to Device Temperature Drift at Different Temperatures Setting the Output Slope in Measurement Mode Response Time Capability Output Filtering Controller Mode Characterization Setup and Methods Evaluation Board Outline Dimensions Ordering Guide