Datasheet AD8337 (Analog Devices) - 6

AD8337 Data Sheet PIN CONFIGURATION AND FUNCTION DESCRIPTIONS VOUT 1 8 VPOS VCOM 2 7 GAIN AD8337 INPP 3 TOP VIEW 6 VNEG (Not to Scale) INPN 4 5 PRAO NOTES 1. FOR BEST THERMAL PERFORMANCE,
-002
EXPOSED PAD MUST BE SOLDERED
5575
TO PCB.
0 Figure 2. Pin Configuration
Table 3. Pin Function Descriptions Pin No. Mnemonic Description
1 VOUT VGA Output. 2 VCOM Common Ground When Using Plus and Minus Supply Voltages. For single-supply operation, provide half the positive supply voltage at the VPOS pin to VCOM pin. 3 INPP Positive Input to Preamplifier. 4 INPN Negative Input to Preamplifier. 5 PRAO Preamplifier Output. 6 VNEG Negative Supply (−VPOS for Dual Supply; GND for Single Supply). 7 GAIN Gain Control Input Centered at VCOM. 8 VPOS Positive Supply. EP Exposed Pad For best thermal performance, exposed pad must be soldered to PCB. Rev. D | Page 6 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TEST CIRCUITS THEORY OF OPERATION OVERVIEW PREAMPLIFIER VGA GAIN CONTROL OUTPUT STAGE ATTENUATOR SINGLE-SUPPLY OPERATION AND AC COUPLING NOISE APPLICATIONS INFORMATION PREAMPLIFIER CONNECTIONS Noninverting Gain Configuration Inverting Gain Configuration DRIVING CAPACITIVE LOADS GAIN CONTROL CONSIDERATIONS THERMAL CONSIDERATIONS PSI (Ψ) BOARD LAYOUT EVALUATION BOARDS CIRCUIT OPTIONS OUTPUT PROTECTION MEASUREMENT SETUP BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE