Datasheet AD10242 (Analog Devices) - 9

AD10242–Typical Performance Characteristics 0 0 ENCODE = 40MSPS ENCODE = 40MSPS –10 A A IN = 4.85MHz –10 IN1 = 9.8MHz AIN = –1dBFS AIN1 = –7dBFS –20 SNR = 66.4dB –20 AIN2 = 10.1MHz SFDR = 72.8dBc A –30 –30 IN2 = –7dBFS SFDR = 76.0dBc –40 –40 –50 –50 –60 –60 –70 –70 –80 –80 POWER RELATIVE TO FULL SCALE – dB –90 POWER RELATIVE TO FULL SCALE – dB –90 –100 –100 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 18 20 FREQUENCY – MHz FREQUENCY – MHz
TPC 1. Single Tone @ 4.85 MHz TPC 4. Two-Tone FFT @ 9.8 MHz/10.1 MHz
0 0 ENCODE = 40MSPS ENCODE = 40MSPS A –10 A –10 IN1 = 19.5MHz IN = 9.9MHz A AIN1 = –7dBFS IN = –1dBFS –20 SNR = 66.0dB –20 AIN2 = 19.7MHz SFDR = 65.7dBc AIN2 = –7dBFS –30 –30 SFDR = 70.6dBc –40 –40 –50 –50 –60 –60 –70 –70 –80 –80 POWER RELATIVE TO FULL SCALE – dB –90 POWER RELATIVE TO FULL SCALE – dB –90 –100 –100 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 18 20 FREQUENCY – MHz FREQUENCY – MHz
TPC 2. Single Tone @ 9.9 MHz TPC 5. Two-Tone FFT @ 19.5 MHz/19.7 MHz
0 76 ENCODE = 40MSPS ENCODE = 40MSPS –10 AIN = 19.5MHz 74 A A IN = –1dBFS IN = –1dBFS –20 SNR = 64.3dB 72 –30 SFDR = 63.3dBc 70 –40 T = +125 C 68 –50 T = +25 C 66 –60 T = –55 C 64 –70 –80 62 WORST-CASE HARMONIC – dB POWER RELATIVE TO FULL SCALE – dB –90 60 –100 58 0 2 4 6 8 10 12 14 16 18 20 5 10 20 FREQUENCY – MHz ANALOG INPUT FREQUENCY – MHz
TPC 3. Single Tone @ 19.5 MHz TPC 6. Harmonics vs. AIN –8– REV. D Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PRODUCT HIGHLIGHTS FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS1 EXPLANATION OF TEST LEVELS PIN CONFIGURATION PIN FUNCTION DESCRIPTIONS DEFINITION OF SPECIFICATIONS Analog Bandwidth Aperture Delay Aperture Uncertainty (Jitter) Differential Nonlinearity Encode Pulsewidth/Duty Cycle Harmonic Distortion Integral Nonlinearity Minimum Conversion Rate Maximum Conversion Rate Output Propagation Delay Overvoltage Recovery Time Power Supply Rejection Ratio Signal-to-Noise and Distortion (SINAD) Signal-to-Noise Ratio (SNR, without Harmonics) Spurious-Free Dynamic Range (SFDR) Transient Response Two-Tone Intermodulation Distortion Rejection Two-Tone SFDR EQUIVALENT CIRCUITS Typical Performance Characteristics THEORY OF OPERATION APPLYING THE AD10242 Encoding the AD10242 Performance Improvements USING THE FLEXIBLE INPUT GROUNDING AND DECOUPLING Analog and Digital Grounding LAYOUT INFORMATION EVALUATION BOARD OUTLINE DIMENSIONS Ordering Guide Revision History