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LTC2250 Datasheet(PDF) 1 Page - Linear Technology |
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LTC2250 Datasheet(HTML) 1 Page - Linear Technology |
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1 / 24 page  LTC2251/LTC2250 1 22510fa FEATURES DESCRIPTIO APPLICATIO S TYPICAL APPLICATIO ■ Sample Rate: 125Msps/105Msps ■ Single 3V Supply (2.85V to 3.4V) ■ Low Power: 395mW/320mW ■ 61.6dB SNR ■ 85dB SFDR ■ No Missing Codes ■ Flexible Input: 1VP-P to 2VP-P Range ■ 640MHz Full Power Bandwidth S/H ■ Clock Duty Cycle Stabilizer ■ Shutdown and Nap Modes ■ Pin Compatible Family: 125Msps: LTC2251 (10-Bit), LTC2253 (12-Bit) 105Msps: LTC2250 (10-Bit), LTC2252 (12-Bit) 80Msps: LTC2239 (10-Bit), LTC2229 (12-Bit) 65Msps: LTC2238 (10-Bit), LTC2228 (12-Bit) 40Msps: LTC2237 (10-Bit), LTC2227 (12-Bit) 25Msps: LTC2236 (10-Bit), LTC2226 (12-Bit) ■ 32-Pin (5mm × 5mm) QFN Package 10-Bit, 125/105Msps Low Noise 3V ADCs The LTC ®2251/LTC2250 are 10-bit 125Msps/105Msps, low noise 3V A/D converters designed for digitizing high frequency, wide dynamic range signals. The LTC2251/ LTC2250 are perfect for demanding imaging and commu- nications applications with AC performance that includes 61.6dB SNR and 85dB SFDR for signals at the Nyquist frequency. DC specs include ±0.1LSB INL (typ), ±0.05LSB DNL (typ) and ±0.6LSB INL, ±0.6LSB DNL over temperature. The transition noise is a low 0.08LSBRMS. A single 3V supply allows low power operation. A separate output supply allows the outputs to drive 0.5V to 3.3V logic. A single-ended CLK input controls converter operation. An optional clock duty cycle stabilizer allows high perfor- mance at full speed for a wide range of clock duty cycles. LTC2251: SNR vs Input Frequency, –1dB, 2V Range, 125Msps ■ Wireless and Wired Broadband Communication ■ Imaging Systems ■ Ultrasound ■ Spectral Analysis ■ Portable Instrumentation – + INPUT S/H CORRECTION LOGIC OUTPUT DRIVERS 10-BIT PIPELINED ADC CORE CLOCK/DUTY CYCLE CONTROL FLEXIBLE REFERENCE D9 • • • D0 CLK REFH REFL ANALOG INPUT 22510 TA01 OVDD OGND , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. INPUT FREQUENCY (MHz) 0 55 56 58 59 60 65 62 100 200 250 22510 G09 57 63 64 61 50 150 300 350 |
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Similar Description - LTC2250 |
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