National Semiconductor ADC08100 handbook
Contents
1. 2004 National Semiconductor Corporation O O ADCOSLOOO O O National Semiconductor ADC081000 ADVANCE INFORMATION February 2004 8 Bit 1 GSPS A D Converter with Internal Reference and Sample and Hold General Description NOTE This product is currently in development ALL specifications are design targets and are subject to change The ADC081000 is a low power high performance CMOS analog to digital converter that digitizes signals to 8 bits resolution at sampling rates up to 1 6 GSPS while consum ing a typical 1 4 Watts from a single 1 9 Volt supply at 1 0 GSPS This device is guaranteed to have no missing codes over the full operating temperature range The unique folding interpolating architecture the fully differential com parator design and the innovative design of the internal sample and hold amplifier enable a very flat SINAD ENOB response beyond Nyquist producing a high 7 5 ENOB witha 100 MHz input signal and a 1 GHz sample rate Output formatting is offset binary coding with LVDS digital outputs compliant with IEEE 1596 3 1996 with the exception of a reduced common mode voltage of 0 8V The converter has a 1 2 demultiplexer that feeds two LVDS buses and reduces the output data rate on each bus to half the sampling rate The data on these buses are interleaved in time to provide a 500 MSPS output rate per bus and a combined output rate of 1 GSPS Setting the PD Power Down pin high places the converter i2. 7 Dd7 DO GND Va OUTV OutEdge VA GND Vomo Va GND Vin Vint GND Va ADC081000 20068101 www national com 2 Physical DIMENSIONS inches millimeters unless otherwise noted 2040 2 1 6 TYP 96 65 AANOANNANNNNNANNNNNANNNNNANNAN ooon onoono D A 128X 0 3 19 6 ATA Oe TE 32 TYP O5 0 1 2240 25 TYP RECOMMENDED LAND PATTERN e gt 11 13 TOP amp BOTTOM E eae LULL 0 MIN F L T 2040 2 w w 128 PIN 1 ID RO 08 MIN aE oa 0 5 TYP EXPOSED PAD AT BOTTOM ae heehee SEE DETAIL A er 0 17 0 27 Nn 0 06 ASO T GAGE PLANE E SIT PT 0 20 MIN 0 09 0 20 TYP SEATING PLANE DIMENSIONS ARE IN MILLIMETERS DETAIL A TYPICAL VNX128A Rev A NOTES UNLESS OTHERWISE SPECIFIED REFERENCE JEDEC REGISTRATION MS 026 VARIATION BFB 24 Lead Package TC Order Number ADC081000CIMT NS Package Number VNX128A LIFE SUPPORT POLICY NATIONAL S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or 2 A critical component is any component of a life systems which a are intended for surgical implant support device or system whose failure to perform into the body or b support or sustain life and can be reasonably expected
3. nto an inactive power down state where it typically con sumes less than 5 mW The ADC081000 is available in a 128 lead exposed pad LQFP and operates over the industrial 40 C lt T lt 85 C temperature range Block Diagram INDICATOR DS200681 OUT OF RANGE E Features m Internal Sample and Hold m Single 1 9V 0 1V Operation m Adjustable Output Levels m Guaranteed No Missing Codes m Low Power Standby Mode Key Specifications m Resolution 8 Bits m Max Conversion Rate 1 GSPS min m No Missing Codes Guaranteed m ENOB 100 MHz Input 7 5 Bits typ m DNL 0 25 LSB typ m Conversion Latency 7 8 Clock Cycles m PSRR 40 dB typ m Power Consumption Operating 1 4 W typ Power Down Mode 5 mW typ Applications m Direct RF Down Conversion m Digital Oscilloscopes m RADAR SONAR ECM m Satellite Set top boxes m WLANs Communications Systems Test Instrumentation Data Bus Output 16 LVDS Pairs OR Output Clock Generator DCLK DCLK 20068153 www national com P OH pue ajdwies pue aduasajoy LUU YM 1 H AUOI C V SdS5 L Hd 8 000L809AV ADC081000 Ordering Information Extended Commercial Temperature NS Package Range 40 C lt T lt 85 C ADC081000CIYB 128 Pin Exposed Pad LQFP ADCO081000LEVAL Evaluation Board Pin Configuration CalRun DR GND DR GND Dd0 Ddo Dd1 Dd1 VDR NC Dd2 Dd2 Dd3 Dd3 Dd4 Dd4 Dd5 Dd5 VDR NC Dd6 Dd6 Dd
4. to cause the failure of whose failure to perform when properly used in the life support device or system or to affect its accordance with instructions for use provided in the safety or effectiveness labeling can be reasonably expected to result in a significant injury to the user BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification CSP 9 111C2 and the Banned Substances and Materials of Interest Specification CSP 9 111S2 and contain no Banned Substances as defined in CSP 9 111S2 PlOH pue ajdwies pue aduasajoy LUU YM 1 H AUOI C V SdS5 Hd 8 000L809AV National Semiconductor National Semiconductor National Semiconductor National Semiconductor Americas Customer Europe Customer Support Center Asia Pacific Customer Japan Customer Support Center Support Center Fax 49 0 180 530 85 86 Support Center Fax 81 3 5639 7507 Email new feedback nsc com Email europe support nsc com Email ap support nsc com Email jon feedback nsc com Tel 1 800 272 9959 Deutsch Tel 49 0 69 9508 6208 Tel 81 3 5639 7560 English Tel 44 0 870 24 0 2171 www national com Fran ais Tel 33 0 1 41 91 8790 National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications
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