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LTC2240IUP-10-PBF Datasheet(PDF) 1 Page - Linear Technology |
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LTC2240IUP-10-PBF Datasheet(HTML) 1 Page - Linear Technology |
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1 / 28 page  LTC2240-10 1 224010fb TYPICAL APPLICATION FEATURES APPLICATIONS DESCRIPTION 10-Bit, 170Msps ADC The LTC®2240-10 is a 170Msps, sampling 10-bit A/D con- verter designed for digitizing high frequency, wide dynamic range signals. The LTC2240-10 is perfect for demanding communications applications with AC performance that includes 60.6dB SNR and 80dB SFDR. Ultralow jitter of 95fsRMS allows IF undersampling with excellent noise performance. DC specs include ±0.3LSB INL (typ), ±0.1LSB DNL (typ) and no missing codes over temperature. The digital outputs can be either differential LVDS, or single-ended CMOS. There are three format options for the CMOS outputs: a single bus running at the full data rate or two demultiplexed buses running at half data rate with either interleaved or simultaneous update. A separate output power supply allows the CMOS output swing to range from 0.5V to 2.625V. 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 allows high performance over a wide range of clock duty cycles. SNR vs Input Frequency n Sample Rate: 170Msps n 60.6dB SNR n 80dB SFDR n 1.2GHz Full Power Bandwidth S/H n Single 2.5V Supply n Low Power Dissipation: 445mW n LVDS, CMOS, or Demultiplexed CMOS Outputs n Selectable Input Ranges: ±0.5V or ±1V n No Missing Codes n Optional Clock Duty Cycle Stabilizer n Shutdown and Nap Modes n Data Ready Output Clock n Pin Compatible Family 250Msps: LTC2242-12 (12-Bit), LTC2242-10 (10-Bit) 210Msps: LTC2241-12 (12-Bit), LTC2241-10 (10-Bit) 170Msps: LTC2240-12 (12-Bit), LTC2240-10 (10-Bit) 185Msps: LTC2220-1 (12-Bit)* 170Msps: LTC2220 (12-Bit), LTC2230 (10-Bit)* 135Msps: LTC2221 (12-Bit), LTC2231 (10-Bit)* n 64-Pin 9mm × 9mm QFN Package n Wireless and Wired Broadband Communication n Cable Head-End Systems n Power Amplifier Linearization n Communications Test Equipment L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. *LTC2220-1, LTC2220, LTC2221, LTC2230, LTC2231 are 3.3V parts. – + INPUT S/H CORRECTION LOGIC OUTPUT DRIVERS 10-BIT PIPELINED ADC CORE CLOCK/DUTY CYCLE CONTROL FLEXIBLE REFERENCE D9 • • • D0 ENCODE INPUT REFH REFL ANALOG INPUT 224010 TA01 CMOS OR LVDS 0.5V TO 2.625V 2.5V VDD OVDD OGND INPUT FREQUENCY (MHz) 0 55 56 57 58 600 700 800 900 62 224010 G10 100 200 300 400 500 1000 59 60 61 1V RANGE 2V RANGE |
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