Rainbow-electronics ADC12L063 Manual de usuario Pagina 1

ADC12L06312-Bit, 62 MSPS, 354 mW A/D Converter with InternalSample-and-HoldGeneral DescriptionThe ADC12L063 is a monolithic CMOS analog-to-digital con

Timing Diagram20026309Output TimingTransfer Characteristic20026310FIGURE 1. Transfer CharacteristicADC12L063www.national.com 10

Typical Performance Characteristics VA=VD=VDR= 3.3V, fCLK= 62MHz, fIN= 10 MHz unlessotherwise statedDNL vs. VADNL vs. Clock Duty Cycle2002635920026360

Typical Performance Characteristics VA=VD=VDR= 3.3V, fCLK= 62MHz, fIN= 10 MHz unlessotherwise stated (Continued)SNR vs. VASNR vs. fCLK20026364 2002636

Typical Performance Characteristics VA=VD=VDR= 3.3V, fCLK= 62MHz, fIN= 10 MHz unlessotherwise stated (Continued)THD vs. fCLKTHD vs. Clock Duty Cycle20

Typical Performance Characteristics VA=VD=VDR= 3.3V, fCLK= 62MHz, fIN= 10 MHz unlessotherwise stated (Continued)SINAD vs. Duty Cycle SINAD vs. VREF200

Typical Performance Characteristics VA=VD=VDR= 3.3V, fCLK= 62MHz, fIN= 10 MHz unlessotherwise stated (Continued)SFDR vs. VREFSFDR vs. Temperature20026

Functional DescriptionOperating on a single +3.3V supply, the ADC12L063 uses apipelined architecture and has error correction circuitry tohelp ensure

Applications Information (Continued)For differential operation, each analog input signal shouldhave a peak-to-peak voltage equal to the input referenc

Applications Information (Continued)bypassing and careful attention to the ground plane willreduce this problem. Additionally, bus capacitance beyondt

Applications Information (Continued)20026314FIGURE 5. Differential Drive Circuit of Figure 420026315FIGURE 6. Driving the Signal Inputs with a Transfo

Ordering InformationIndustrial (−40˚C ≤ TA≤ +85˚C) PackageADC12L063CIVY 32 Pin LQFPADC12L063CIVYX 32 Pin LQFP Tape and ReelADC12L063EVAL Evaluation Bo

Applications Information (Continued)4.0 POWER SUPPLY CONSIDERATIONSThe power supply pins should be bypassed with a 10 µFcapacitor and with a 0.1 µF ce

Applications Information (Continued)which they are used. Inductors should not be placed side byside, even with just a small part of their bodies besid

Physical Dimensions inches (millimeters)unless otherwise noted32-Lead LQFP PackageOrdering Number ADC12L063CIVYNS Package Number VBE32ALIFE SUPPORT PO

Pin Descriptions and Equivalent CircuitsPin No. Symbol Equivalent Circuit DescriptionANALOG I/O2VIN+Non-Inverting analog signal Input. With a 1.0V ref

Pin Descriptions and Equivalent Circuits (Continued)Pin No. Symbol Equivalent Circuit Description14–19,22–27D0–D11Digital data output pins that make u

Absolute Maximum Ratings (Notes 1,2)If Military/Aerospace specified devices are required,please contact the National Semiconductor Sales Office/Distri

DC and Logic Electrical CharacteristicsUnless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, VA=VD=VDR= +3.3V,

DC and Logic Electrical Characteristics (Continued)Unless otherwise specified, the following specifications apply for AGND = DGND = DR GND = 0V, VA=VD

AC Electrical Characteristics (Continued)20026307Note 8: To guarantee accuracy, it is required that |VA–VD| ≤ 100 mV and separate bypass capacitors ar

Specification DefinitionsAPERTURE DELAY is the time after the rising edge of theclock to when the input signal is acquired or held for conver-sion.APE