Datasheet AD6644 (Analog Devices) - 4

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AD6644 SPECIFICATIONS DC SPECIFICATIONS
AVCC = 5 V, DVCC = 3.3 V; TMIN = –25°C, TMAX = +85°C, unless otherwise noted.
Table 1. AD6644AST-40 AD6644AST-65 Parameter Temp Test Level1 Min Typ Max Min Typ Max Unit
RESOLUTION 14 14 Bits ACCURACY No Missing Codes Full II Guaranteed Guaranteed Offset Error Full II −10 +3 +10 −10 +3 +10 mV Gain Error Full II −10 −6 +10 −10 –6 +10 % FS Differential Nonlinearity (DNL) Full II −1.0 ±0.25 +1.5 −1.0 ±0.25 +1.5 LSB Integral Nonlinearity (INL) Full V ±0.50 ±0.50 LSB TEMPERATURE DRIFT Offset Error Full V 10 10 ppm/°C Gain Error Full V 95 95 ppm/°C POWER SUPPLY REJECTION RATIO (PSRR) Full V ±1.0 ±1.0 mV/V REFERENCE OUT (VREF) Full V 2.4 2.4 V ANALOG INPUTS (AIN, AIN) Differential Input Voltage Span Full V 2.2 2.2 V p-p Differential Input Resistance Full V 1 1 kΩ Differential Input Capacitance 25°C V 1.5 1.5 pF POWER SUPPLY Supply Voltage AV 2 CC Full II 4.85 5.0 5.25 4.85 5.0 5.25 V DVCC Full II 3.0 3.3 3.6 3.0 3.3 3.6 V Supply Current IAVCC (AVCC = 5.0 V) Full II 245 276 245 276 mA IDVCC (DVCC = 3.3 V) Full II 30 36 30 36 mA Rise Time3 AVCC Full IV 15 ms POWER CONSUMPTION Full II 1.3 1.5 1.3 1.5 W 1 See the Explanation of Test Levels section. 2 AVCC can vary from 4.85 V to 5.25 V. However, rated ac (harmonics) performance is valid only over the range AVCC = 5.0 V to 5.25 V. 3 Specified for dc supplies with linear rise time characteristics. Rev. D | Page 3 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PRODUCT HIGHLIGHTS FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS DC SPECIFICATIONS DIGITAL SPECIFICATIONS SWITCHING SPECIFICATIONS AC SPECIFICATIONS TIMING DIAGRAM ABSOLUTE MAXIMUM RATINGS EXPLANATION OF TEST LEVELS Test Level THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS EQUIVALENT CIRCUITS TERMINOLOGY THEORY OF OPERATION APPLYING THE AD6644 Encoding the AD6644 Analog Input Power Supplies Digital Outputs Layout Information Jitter Considerations EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE