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LTC2262-12 Datasheet(PDF) 1 Page - Linear Technology |
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LTC2262-12 Datasheet(HTML) 1 Page - Linear Technology |
1 / 28 page LTC2262-12 1 226212fc For more information www.linear.com/LTC2262-12 TYPICAL APPLICATION FEATURES APPLICATIONS DESCRIPTION 12-Bit, 150Msps Ultralow Power 1.8V ADC n Communications n Cellular Base Stations n Software Defined Radios n Portable Medical Imaging n Multi-Channel Data Acquisition n Nondestructive Testing n 70.5dB SNR n 88dB SFDR n Low Power: 146mW n Single 1.8V Supply n CMOS, DDR CMOS or DDR LVDS Outputs n Selectable Input Ranges: 1VP-P to 2VP-P n 800MHz Full-Power Bandwidth S/H n Optional Data Output Randomizer n Optional Clock Duty Cycle Stabilizer n Shutdown and Nap Modes n Serial SPI Port for Configuration n Pin Compatible 14-Bit and 12-Bit Versions n 40-Pin (6mm × 6mm) QFN Package The LTC®2262-12 is a sampling 12-bit A/D converter designedfordigitizinghighfrequency,widedynamicrange signals.TheLTC2262-12isperfectfordemandingcommu- nications applications with AC performance that includes 70.5dBSNRand88dBspuriousfreedynamicrange(SFDR). Ultralow jitter of 0.17psRMS allows undersampling of IF frequencies with excellent noise performance. DC specs include ±0.3LSB INL (typical), ±0.1LSB DNL (typical) and no missing codes over temperature. The transition noise is a low 0.3LSBRMS. The digital outputs can be either full rate CMOS, double data rate CMOS, or double data rate LVDS. A separate output power supply allows the CMOS output swing to range from 1.2V to 1.8V. The ENC+ and ENC– inputs may be driven differentially or single-ended with a sine wave, PECL, LVDS, TTL or CMOS inputs. An optional clock duty cycle stabilizer al- lows high performance at full speed for a wide range of clock duty cycles. LTC2262-12 2-Tone FFT, fIN = 68MHz and 69MHz – + INPUT S/H CORRECTION LOGIC OUTPUT DRIVERS 12-BIT PIPELINED ADC CORE CLOCK/DUTY CYCLE CONTROL D11 • • • D0 150MHz CLOCK ANALOG INPUT 226212 TA01a CMOS OR LVDS 1.2V TO 1.8V 1.8V VDD OVDD OGND GND FREQUENCY (MHz) 0 –100 –110 –120 –70 –60 –80 –90 –50 –30 –40 –20 –10 0 10 20 30 40 50 70 60 226212 TA01b L , LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. |
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