link to page 30 link to page 30 link to page 30 link to page 30 link to page 30 Data SheetAD7656-1/AD7657-1/AD7658-1OUTLINE DIMENSIONS12.20 12.00 SQ0.7511.800.601.600.45MAX6449148PIN 110.20TOP VIEW10.00 SQ(PINS DOWN)9.801.450.201.400.091.357°3.5°16330.150°SEATING17320.050.08PLANECOPLANARITYVIEW A0.270.500.22BSCVIEW ALEAD PITCH0.17ROTATED 90° CCW-A 06 17COMPLIANT TO JEDEC STANDARDS MS-026-BCD05 Figure 40. 64-Lead Low Profile Quad Flat Package [LQFP] (ST-64-2) Dimensions shown in millimeters ORDERING GUIDE Model1 NotesTemperatureRangePackage DescriptionPackage Option AD7656BSTZ-1 −40°C to +85°C 64-Lead Low Profile Quad Flat Package [LQFP] ST-64-2 AD7656BSTZ-1-RL −40°C to +85°C 64-Lead Low Profile Quad Flat Package [LQFP] ST-64-2 AD7656YSTZ-1 −40°C to +125°C 64-Lead Low Profile Quad Flat Package [LQFP] ST-64-2 AD7656YSTZ-1-RL −40°C to +125°C 64-Lead Low Profile Quad Flat Package [LQFP] ST-64-2 AD7657BSTZ-1 −40°C to +85°C 64-Lead Low Profile Quad Flat Package [LQFP] ST-64-2 AD7657BSTZ-1-RL −40°C to +85°C 64-Lead Low Profile Quad Flat Package [LQFP] ST-64-2 AD7657YSTZ-1 −40°C to +125°C 64-Lead Low Profile Quad Flat Package [LQFP] ST-64-2 AD7657YSTZ-1-RL −40°C to +125°C 64-Lead Low Profile Quad Flat Package [LQFP] ST-64-2 AD7658BSTZ-1 −40°C to +85°C 64-Lead Low Profile Quad Flat Package [LQFP] ST-64-2 AD7658BSTZ-1-RL −40°C to +85°C 64-Lead Low Profile Quad Flat Package [LQFP] ST-64-2 AD7658YSTZ-1 −40°C to +125°C 64-Lead Low Profile Quad Flat Package [LQFP] ST-64-2 AD7658YSTZ-1-RL −40°C to +125°C 64-Lead Low Profile Quad Flat Package [LQFP] ST-64-2 EVAL-AD7656-1CBZ 2 Evaluation Board EVAL-AD7657-1CBZ 2 Evaluation Board EVAL-AD7658-1CBZ 2 Evaluation Board EVAL-CONTROL BRD2Z 3 Controller Board 1 Z = RoHS Compliant Part. 2 This can be used as a standalone evaluation board or in conjunction with the EVAL-CONTROL board for evaluation/demonstration purposes. 3 This board is a complete unit allowing a PC to control and communicate with all Analog Devices, Inc., evaluation boards ending in the CB designators. To order a complete evaluation kit, the particular ADC evaluation board, for example, EVAL-AD7656-1/AD7657-1/AD7658-1CB, the EVAL-CONTROL BRD2, and a 12 V transformer must be ordered. See the relevant evaluation board technical note for more information. Rev. D | Page 30 of 32 Document Outline Features Applications Functional Block Diagram General Description Product Highlights Table of Contents Revision History Specifications AD7656-1 AD7657-1 AD7658-1 Timing Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Converter Details Track-and-Hold Amplifiers Analog Input ADC Transfer Function Internal/External Reference Typical Connection Diagram Driving the Analog Inputs Interface Options Parallel Interface (SER/PAR SEL = 0) Software Selection of ADCs Changing the Analog Input Range (H/S SEL = 0) Changing the Analog Input Range (H/S SEL = 1) Serial Interface (SER/PAR SEL = 1) Serial Read Operation Daisy-Chain Mode (DCEN = 1, SER/ SEL = 1) Standby/Partial Power-Down Modes of Operation (SER/PAR SEL = 0 or 1) Application Hints Layout Power Supply Configuration Outline Dimensions Ordering Guide