Rainbow-electronics ADC08161 Manual do Utilizador

ADC08161500 ns A/D Converter with S/H Function and 2.5VBandgap ReferenceGeneral DescriptionUsing a patented multi-step A/D conversion technique, the8-

Pin Description (Continued)WR /RDYWR -RD Mode (Logic high applied to MODEpin)WR : With CS low, the conversion is started onthe rising edge of WR . The

Application Information1.0 FUNCTIONAL DESCRIPTIONThe ADC08161 performs an 8-bit analog-to-digital conver-sion using a multi-step flash technique. The

Application Information (Continued)points are then connected to the eight flash comparators.For example, if the analog input signal applied to VINis b

Application Information (Continued)The voltage at VREF−sets the input level that produces adigital output of all zeroes. Through VINis not itself diff

Application Information (Continued)Internal Reference 2.5V Full-Scale(Standard Application)DS011149-19Power Supply as ReferenceDS011149-20Input Not Re

Physical Dimensions inches (millimeters) unless otherwise notedWide-Body Small-OutlineOrder Number ADC08161BIWM or ADC08161CIWMNS Package Number M20BD

LIFE SUPPORT POLICYNATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DE-VICES OR SYSTEMS WITHOUT THE EXPRESS WRITT

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

Converter Characteristics (Continued)The following specifications apply for RD Mode, V+=5V, VREF+=5V, and VREF−=GND unless otherwise specified. Bold-f

AC Electrical Characteristics (Continued)The following specifications apply for V+=5V, tr=tf=10 ns, VREF+=5V, VREF−=0V unless otherwise specified. Bol

DC Electrical Characteristics (Continued)The following specifications apply for V+=5V unless otherwise specified. Boldface limits apply for TA=TJ=TMIN

Bandgap Reference Electrical Characteristics (Continued)Note 11: Off-channel leakage current is measured on the on-channel selection.TRI-STATE Test Ci

TRI-STATE Test Circuit and Waveforms (Continued)DS011149-7FIGURE 2. WR -RD Mode with tRD≤ tINTL(Mode Pin is High)DS011149-8FIGURE 3. WR -RD Mode with

TRI-STATE Test Circuit and Waveforms (Continued)Typical Performance CharacteristicsDS011149-9FIGURE 4. WR -RD Mode Reduced Interface System Connection

Typical Performance Characteristics (Continued)Connection DiagramOrdering InformationIndustrial (−40˚C ≤ TA≤ 85˚C) PackageADC08161BIN, ADC08161CIN N20