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LTC2282IUP Datasheet(PDF) 1 Page - Linear Technology |
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LTC2282IUP Datasheet(HTML) 1 Page - Linear Technology |
1 / 24 page LTC2282 1 2282fb TYPICAL APPLICATION DESCRIPTION Dual 12-Bit, 105Msps Low Power 3V ADC The LTC®2282 is a 12-bit 105Msps, low power dual 3V A/D converter designed for digitizing high frequency, wide dynamic range signals. The LTC2282 is perfect for demanding imaging and communications applications with AC performance that includes 70.1dB SNR and 85dB SFDR for signals at the Nyquist frequency. DC specs include ±0.4LSB INL (typ), ±0.2LSB DNL (typ) and no missing codes over temperature. The transition noise is a low 0.3LSBRMS. A single 3V supply allows low power operation. A separate output supply allows the outputs to drive 0.5V to 3.6V logic. A single-ended CLK input controls converter operation. An optional clock duty cycle stabilizer allows high performance at full speed for a wide range of clock duty cycles. , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. FEATURES APPLICATIONS n Integrated Dual 12-Bit ADCs n Sample Rate: 105Msps n Single 3V Supply (2.85V to 3.4V) n Low Power: 540mW n 70.1dB SNR, 88dB SFDR n 110dB Channel Isolation at 100MHz n Flexible Input: 1VP-P to 2VP-P Range n 575MHz Full Power Bandwidth S/H n Clock Duty Cycle Stabilizer n Shutdown and Nap Modes n Pin Compatible Family 105Msps: LTC2282 (12-Bit), LTC2284 (14-Bit) 80Msps: LTC2294 (12-Bit), LTC2299 (14-Bit) 65Msps: LTC2293 (12-Bit), LTC2298 (14-Bit) 40Msps: LTC2292 (12-Bit), LTC2297 (14-Bit) 25Msps: LTC2291 (12-Bit), LTC2296 (14-Bit) 10Msps: LTC2290 (12-Bit), LTC2295 (14-Bit) n 64-Pin (9mm × 9mm) QFN Package n Wireless and Wired Broadband Communication n Imaging Systems n Spectral Analysis n Portable Instrumentation INPUT FREQUENCY (MHz) 0 72 150 2282 TA01b 69 67 50 100 200 66 65 73 71 70 68 250 300 350 – + INPUT S/H ANALOG INPUT A ANALOG INPUT B CLK A CLK B 12-BIT PIPELINED ADC CORE CLOCK/DUTY CYCLE CONTROL OUTPUT DRIVERS • • • OVDD OGND MUX D11A D0A • • • OVDD OGND 2282 TA01 D11B D0B – + OUTPUT DRIVERS INPUT S/H 12-BIT PIPELINED ADC CORE CLOCK/DUTY CYCLE CONTROL SNR vs Input Frequency, –1dB, 2V Range |
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