Datasheet AD9057 (Analog Devices) - 6

Typical Performance Characteristics–AD9057 0 –30 ENCODE = 60MSPS –10 ANALOG IN = 10.3MHz, –0.5dBFS ENCODE = 60MSPS SINAD = 46.1dB –35 AIN = –0.5dBFS ENOB = 7.36 BITS –20 SNR = 46.5dB –40 –30 –45 –40 SECOND HARMONIC dB dB –50 –50 –55 –60 THIRD HARMONIC –60 –70 –80 –65 –90 –70 0 30 0 20 40 60 80 100 120 140 160 FREQUENCY (MHz) ANALOG INPUT FREQUENCY (MHz)
TPC 1. Spectral Plot 60 MSPS, 10.3 MHz TPC 4. Harmonic Distortion vs. AIN Frequency
0 0 ENCODE = 60MSPS ANALOG IN = 76MHz, –0.5dBFS ENCODE = 60MSPS –10 SINAD = 44.9dB –10 F1 IN = 9.5MHz @ –7.0dBFS ENOB = 7.16 BITS F2 IN = 9.9MHz @ –7.0dBFS –20 SNR = 45.2dB –20 2F1 – F2 = –52.0dBc 2F2 – F1 = –53.0dBc –30 –30 –40 –40 dB dB –50 –50 –60 –60 –70 –70 –80 –80 –90 –90 0 30 0 10 20 30 FREQUENCY (MHz) FREQUENCY (MHz)
TPC 2. Spectral Plot 60 MSPS, 76 MHz TPC 5. Two-Tone Intermodulation Distortion
48 54 46 SNR SNR 48 44 42 42 SINAD SINAD 36 40 dB ENCODE = 60MSPS 30 dB 38 AIN = –0.5dBFS AIN = 10.3MHz, –0.5dBFS 24 36 18 34 32 12 30 0 0 20 40 60 80 100 120 140 160 5 10 20 30 40 50 60 70 80 90 ANALOG INPUT FREQUENCY (MHz) ENCODE RATE (MSPS)
TPC 3. SINAD/SNR vs. AIN Frequency TPC 6. SINAD/SNR vs. Encode Rate REV. D –5– Document Outline FEATURES APPLICATIONS PRODUCT DESCRIPTION FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ORDERING GUIDE PIN CONFIGURATION PIN FUNCTION DESCRIPTIONS Typical Performance Characteristics THEORY OF OPERATION USING THE AD9057 Analog Inputs Voltage Reference Digital Logic (5 V/3 V Systems) Timing Power Dissipation APPLICATIONS Evaluation Board OUTLINE DIMENSIONS Revision History