Typical Performance Characteristics–AD76771.001.000.750.750.500.500.250.250.000.00INL – LSBDNL – LSB–0.25–0.25–0.50–0.50–0.75–0.75–1.00–1.00016384327684915265536016384327684915265536CODECODE TPC 1. Integral Nonlinearity vs. Code TPC 4. Differential Nonlinearity vs. Code 9000160008287 80661435280001400070001200060001000050008000COUNTS 4000COUNTS6000300040002000100020009941037000102100000010000000000007FFB 7FFC 7FFD 7FFE 7FFF 8000 8001 8002 8003 80047FFA 7FFB 7FFC 7FFD 7FFE 7FFF 8000 8001 8002 8003 8004CODE IN HEXACODE IN HEXA TPC 2. Histogram of 16,384 Conversions of a TPC 5. Histogram of 16,384 Conversions of a DC Input at the Code Transition DC Input at the Code Center 20201616121288NUMBER OF UNITSNUMBER OF UNITS44000.00.10.20.30.40.50.60.70.80.91.01.1–1.0 –0.9 –0.8 –0.7 –0.6 –0.5 –0.4 –0.3 –0.2 –0.10.01.0POSITIVE INL – LSBNEGATIVE INL – LSB TPC 3. Typical Positive INL Distribution (199 Units) TPC 6. Typical Negative INL Distribution (199 Units) REV. A –9– Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM PulSAR Selection GENERAL DESCRIPTION PRODUCT HIGHLIGHTS SPECIFICATIONS Table I. Serial Clock Timings in Master Read after Convert ABSOLUTE MAXIMUM RATINGS ORDERING GUIDE PIN FUNCTION DESCRIPTIONS PIN CONFIGURATION Typical Performance Characteristics CIRCUIT INFORMATION CONVERTER OPERATION Modes of Operation Transfer Functions TYPICAL CONNECTION DIAGRAM Analog Inputs Single to Differential Driver Driver Amplifier Choice Voltage Reference Input Power Supply POWER DISSIPATION CONVERSION CONTROL DIGITAL INTERFACE PARALLEL INTERFACE SERIAL INTERFACE MASTER SERIAL INTERFACE Internal Clock SLAVE SERIAL INTERFACE External Clock External Discontinuous Clock Data Read after Conversion External Clock Data Read During Conversion MICROPROCESSOR INTERFACING SPI Interface (MC68HC11) ADSP-21065L in Master Serial Interface APPLICATION HINTS Layout Evaluating the AD7677 Performance OUTLINE DIMENSIONS Revision History