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ADC12C080 Datasheet(PDF) 10 Page - Texas Instruments |
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ADC12C080 Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 32 page  VA AGND To Internal Circuitry I/O ADC12C080 SNAS379C – SEPTEMBER 2006 – REVISED APRIL 2013 www.ti.com Dynamic Converter Electrical Characteristics at 65MSPS Unless otherwise specified, the following specifications apply: AGND = DRGND = 0V, VA = +3.0V, VDR = +2.5V, Internal VREF = +1.2V, fCLK = 65 MHz, 50% Duty Cycle, DCS Disabled, VCM = VCMO, CL = 5 pF/pin, . Typical values are for TA = 25°C. Boldface limits apply for TMIN ≤ TA ≤ TMAX. All other limits apply for TA = 25°C (1) (2) Typical Units Symbol Parameter Conditions Limits (3) (Limits) (4) DYNAMIC CONVERTER CHARACTERISTICS, AIN= -1dBFS fIN = 10 MHz 71.2 dBFS SNR Signal-to-Noise Ratio fIN = 70 MHz 70.5 dBFS fIN =170 MHz 68.5 dBFS fIN = 10 MHz 90 dBFS SFDR Spurious Free Dynamic Range fIN = 70 MHz 88 dBFS fIN = 170 MHz 86 dBFS fIN = 10 MHz 11.5 Bits ENOB Effective Number of Bits fIN = 70 MHz 11.3 Bits fIN = 170 MHz 11 Bits fIN = 10 MHz −88 dBFS THD Total Harmonic Disortion fIN = 70 MHz −85 dBFS fIN = 170 MHz −80 dBFS fIN = 10 MHz -100 dBFS H2 Second Harmonic Distortion fIN = 70 MHz −95 dBFS fIN = 170 MHz −85 dBFS fIN = 10 MHz −90 dBFS H3 Third Harmonic Distortion fIN = 70 MHz −88 dBFS fIN = 170 MHz −83 dBFS fIN = 10 MHz 71.1 dBFS SINAD Signal-to-Noise and Distortion Ratio fIN = 70 MHz 69.8 dBFS fIN = 170 MHz 67.7 dBFS POWER SUPPLY CHARACTERISTICS IA Analog Supply Current Full Operation 90 mA (max) IDR Digital Output Supply Current Full Operation (5) 14.5 mA Power Consumption Excludes IDR (5) 270 mW (max) (1) The inputs are protected as shown below. Input voltage magnitudes above VA or below GND will not damage this device, provided current is limited per Note 4 under Absolute Maximum Ratings. However, errors in the A/D conversion can occur if the input goes above 2.6V or below GND as described in the Operating Ratings section. (2) With a full scale differential input of 2VP-P , the 12-bit LSB is 488 µV. (3) Typical figures are at TA = 25°C and represent most likely parametric norms at the time of product characterization. The typical specifications are not ensured. (4) Parameters specified in dBFS indicate the value that would be attained with a full-scale input signal. (5) IDR is the current consumed by the switching of the output drivers and is primarily determined by load capacitance on the output pins, the supply voltage, VDR, and the rate at which the outputs are switching (which is signal dependent). IDR=VDR(C0 x f0 + C1 x f1 +....C11 x f11) where VDR is the output driver power supply voltage, Cn is total capacitance on the output pin, and fn is the average frequency at which that pin is toggling. 10 Submit Documentation Feedback Copyright © 2006–2013, Texas Instruments Incorporated Product Folder Links: ADC12C080 |
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