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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD9054 датащи(PDF) 3 Page - Analog Devices |
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AD9054 датащи(HTML) 3 Page - Analog Devices |
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3 / 20 page  –3– REV. 0 AD9054 Test AD9054BST-200 AD9054BST-135 Parameter Temp Level Min Typ Max Min Typ Max Units POWER SUPPLY VDD Supply Current (IDD) Full VI 100 145 100 140 mA Power Dissipation 5, 6 Full VI 500 725 500 700 mW Power Supply Sensitivity 7 +25 °C I 0.005 0.015 0.005 0.015 V/V DYNAMIC PERFORMANCE 8 Transient Response +25 °C V 1.5 1.5 ns Overvoltage Recovery Time +25 °C V 1.5 1.5 ns Signal-to-Noise Ratio (SNR) (Without Harmonics) fIN = 19.7 MHz +25 °CIV 42 45 42 45 dB Full V 45 45 dB fIN = 49.7 MHz +25 °C I 42 45 42 45 dB Full V 45 45 dB fIN = 70.1 MHz +25 °C I 42 45 dB Full V 45 dB Signal-to-Noise Ratio (SINAD) (With Harmonics) fIN = 19.7 MHz +25 °CIV 40 43 40 43 dB Full V 43 43 dB fIN = 49.7 MHz +25 °C I 40 43 40 43 dB Full V 43 43 dB fIN = 70.1 MHz +25 °C I 39 42 dB Full V 42 dB Effective Number of Bits fIN = 19.7 MHz +25 °C IV 6.35 6.85 6.35 6.85 Bits fIN = 49.7 MHz +25 °C I 6.35 6.85 6.35 6.85 Bits fIN = 70.1 MHz +25 °C I 6.18 6.85 Bits 2nd Harmonic Distortion fIN = 19.7 MHz +25 °C IV 58 63 58 63 dBc fIN = 49.7 MHz +25 °C I 54 59 54 59 dBc fIN = 70.1 MHz +25 °C I 52 55 dBc 3rd Harmonic Distortion fIN = 19.7 MHz +25 °C IV 48 56 48 56 dBc fIN = 49.7 MHz +25 °C I 48 54 48 54 dBc fIN = 70.1 MHz +25 °C I 43 50 dBc Two-Tone Intermod Distortion (IMD) fIN = 19.7 MHz +25 °C V 60 60 dBc fIN = 49.7 MHz +25 °C V 55 55 dBc fIN = 70.1 MHz +25 °C V 50 dBc NOTES 1Gain error and gain temperature coefficient are based on the ADC only (with a fixed +2.5 V external reference). 23 dB bandwidth with full-power input signal. 3t V and tPD are measured from the threshold crossing of the ENCODE input to valid TTL levels of the digital outputs. The output ac load during test is 5 pF (Refer to equivalent circuits Figures 5 and 6). 4I IH and IIL are valid for differential input voltages of less than 1.5 V. At higher differential voltages, the input current will increase to a maximum of 1.25 mA. 5Power dissipation is measured under the following conditions: analog input is –1 dBfs at 19.7 MHz. 6Typical thermal impedance for the ST-44 (TQFP) 44–lead package (in still air): θ JC = 20°C/W, θCA = 35°C/W, θJA = 55°C/W. 7A change in input offset voltage with respect to a change in V DD. 8SNR/harmonics based on an analog input voltage of –1.0 dBfs referenced to a 1.024 V full–scale input range. Specifications subject to change without notice. EXPLANATION OF TEST LEVELS Test Level I. 100% production tested. II. 100% production tested at +25 °C and sample tested at specified temperatures. III. Sample tested only. IV. Parameter is guaranteed by design and characterization testing. V. Parameter is a typical value only. VI. 100% production tested at +25 °C; guaranteed by design and characterization testing for industrial temperature range. |
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