Rainbow-electronics ADC08D1000 User Manual

ADC08D1000High Performance, Low Power, Dual 8-Bit, 1 GSPS A/DConverterGeneral DescriptionNOTE: This product is currently in development. – ALLspecific

Converter Electrical Characteristics (Continued)[Note: This product is currently in development. As such, the parameters specified in this section are

Converter Electrical Characteristics (Continued)[Note: This product is currently in development. As such, the parameters specified in this section are

Converter Electrical Characteristics (Continued)20097404Note 7: To guarantee accuracy, it is required that VAand VDRbe well bypassed. Each supply pin

Specification DefinitionsAPERTURE (SAMPLING) DELAY is that time required afterthe fall of the clock input for the sampling switch to open. TheSample/H

Specification Definitions (Continued)SIGNAL TO NOISE RATIO (SNR) is the ratio, expressed indB, of the rms value of the input signal at the output to t

Timing Diagrams20097414FIGURE 3. ADC08D1000 Timing — SDR Clocking20097415FIGURE 4. ADC08D1000 Timing — DDR ClockingADC08D1000www.national.com15

Timing Diagrams (Continued)20097419FIGURE 5. Serial Interface Timing20097420FIGURE 6. Clock Reset Timing in DDR Mode20097423FIGURE 7. Clock Reset Timi

Timing Diagrams (Continued)20097424FIGURE 8. Clock Reset Timing in SDR Mode with OUTEDGE High20097425FIGURE 9. Self Calibration and On-Command Calibra

1.0 Functional DescriptionThe ADC08D1000 is a versatile A/D Converter with an inno-vative architecture permitting very high speed operation. Thecontro

1.0 Functional Description (Continued)controls are disabled. These pins are OutV (pin 3), OutEdge/DDR (pin 4), FSR (pin 14) and CalDly/DES (pin 127).

Ordering InformationExtended Commercial TemperatureRange (-40˚C<TA<+85˚C)NS PackageADC08D1000CIYB 128-Pin Exposed Pad LQFPADC08D1000EVAL Evaluat

1.0 Functional Description (Continued)1.1.6 The LVDS OutputsThe data outputs, the Out Of Range (OR) and DCLK, areLVDS. Output current sources provide

1.0 Functional Description (Continued)The default state of the Extended Control Mode is set uponpower-on reset (internally performed by the device) an

1.0 Functional Description (Continued)Bit 10 nDE: DDR Enable. When this bit is set to 0b,data bus clocking follows the DDR (DualData Rate) mode whereb

1.0 Functional Description (Continued)Q-Channel Full-Scale Voltage AdjustAddr: Bh (1011b) W only (0x807F)D15 D14 D13 D12 D11 D10 D9 D8(MSB) Adjust Val

1.0 Functional Description (Continued)DES Fine AdjustAddr: Fh (1111b) W only (0x007F)D15 D14 D13 D12 D11 D10 D9 D8(MSB) FAMD7 D6 D5 D4 D3 D2 D1 D0(LSB

2.0 Applications Information(Continued)reduced to 75% of the values indicated. In the EnhancedControl Mode, these values will be determined by the ful

2.0 Applications Information(Continued)2.2.2 Out Of Range (OR) IndicationWhen the conversion result is clipped the Out of Rangeoutput is activated suc

2.0 Applications Information(Continued)The calibration process will be not be performed if the CALpin is high at power up. In this case, the calibrati

2.0 Applications Information(Continued)2.4.6 Power Down FeatureThe Power Down pins (PD and PDQ) allow theADC08D1000 to be entirely powered down (PD) o

2.0 Applications Information(Continued)power down current because not all of the ADC is powereddown. The device current will be normal after the input

Pin Descriptions and Equivalent CircuitsPin FunctionsPin No. Symbol Equivalent Circuit Description3 OutV / SCLKOutput Voltage Amplitude and Serial Int

2.0 Applications Information(Continued)ADC08D1000. Any external component (e.g., a filter capaci-tor) connected between the converter’s input and grou

2.0 Applications Information(Continued)Failure to provide adequate heat removal. As described inSection 2.6.2, it is important to provide adequate hea

Physical Dimensions inches (millimeters) unless otherwise notedNOTES: UNLESS OTHERWISE SPECIFIEDREFERENCE JEDEC REGISTRATION MS-026, VARIATION BFB.128

Pin Descriptions and Equivalent Circuits (Continued)Pin FunctionsPin No. Symbol Equivalent Circuit Description1819CLK+CLK-LVDS Clock input pins for th

Pin Descriptions and Equivalent Circuits (Continued)Pin FunctionsPin No. Symbol Equivalent Circuit Description83/7884/7785/7686/7589/7290/7191/7092/69

Pin Descriptions and Equivalent Circuits (Continued)Pin FunctionsPin No. Symbol Equivalent Circuit Description40, 51,62, 73,88, 99,110, 121VDROutput D

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

Converter Electrical Characteristics (Continued)[Note: This product is currently in development. As such, the parameters specified in this section are

Converter Electrical Characteristics (Continued)[Note: This product is currently in development. As such, the parameters specified in this section are