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LTC2224UK Datasheet(PDF) 1 Page - Linear Technology |
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LTC2224UK Datasheet(HTML) 1 Page - Linear Technology |
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1 / 24 page  LTC2224 1 2224fa FEATURES DESCRIPTIO TYPICAL APPLICATIO ■ Sample Rate: 135Msps ■ 67.3dB SNR up to 140MHz Input ■ 80dB SFDR up to 150MHz Input ■ 775MHz Full Power Bandwidth S/H ■ Single 3.3V Supply ■ Low Power Dissipation: 630mW ■ CMOS Outputs ■ Selectable Input Ranges: ±0.5V or ±1V ■ No Missing Codes ■ Optional Clock Duty Cycle Stabilizer ■ Shutdown and Nap Modes ■ Data Ready Output Clock ■ Pin Compatible Family 135Msps: LTC2224 (12-Bit), LTC2234 (10-Bit) 105Msps: LTC2222 (12-Bit), LTC2232 (10-Bit) 80Msps: LTC2223 (12-Bit), LTC2233 (10-Bit) ■ 48-Pin 7mm × 7mm QFN Package ■ Wireless and Wired Broadband Communication ■ Cable Head-End Systems ■ Power Amplifier Linearization ■ Communications Test Equipment 12-Bit, 135Msps ADC The LTC ®2224 is a 135Msps, sampling 12-bit A/D con- verter designed for digitizing high frequency, wide dy- namic range signals. The LTC2224 is perfect for demand- ing communications applications with AC performance that includes 67.3dB SNR and 80dB spurious free dy- namic range for signals up to 150MHz. Ultralow jitter of 0.15psRMS allows undersampling of IF frequencies with excellent noise performance. DC specs include ±0.4LSB INL (typ), ±0.3LSB DNL (typ) and no missing codes over temperature. The transition noise is a low 0.5LSBRMS. A separate output power supply allows the CMOS output swing to range from 0.5V to 3.6V. 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 at full speed for a wide range of clock duty cycles. 0.5V TO 3.6V OVDD OGND – + INPUT S/H CORRECTION LOGIC OUTPUT DRIVERS 12-BIT PIPELINED ADC CORE CLOCK/DUTY CYCLE CONTROL FLEXIBLE REFERENCE D11 • • • D0 ENCODE INPUT REFH REFL ANALOG INPUT 2224 TA01 3.3V VDD APPLICATIO S SFDR vs Input Frequency INPUT FREQUENCY (MHz) 0 600 500 400 2224 TA01b 100 200 300 95 90 85 80 75 70 65 60 55 50 4th OR HIGHER 2nd OR 3rd , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. |
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