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LTC2227CUH-PBF Datasheet(PDF) 1 Page - Linear Technology |
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LTC2227CUH-PBF Datasheet(HTML) 1 Page - Linear Technology |
1 / 28 page LTC2228/LTC2227/LTC2226 1 222876fb TYPICAL APPLICATION FEATURES APPLICATIONS DESCRIPTION 12-Bit, 65/40/25Msps Low Power 3V ADCs The LTC ®2228/LTC2227/LTC2226 are 12-bit 65Msps/ 40Msps/25Msps, low power 3V A/D converters designed for digitizing high frequency, wide dynamic range signals. The LTC2228/LTC2227/LTC2226 are perfect for demand- ing imaging and communications applications with AC performance that includes 71.3dB SNR and 90dB SFDR for signals at the Nyquist frequency. DC specs include ±0.3LSB INL (typ), ±0.15LSB DNL (typ) and no missing codes over temperature. The transition noise is a low 0.25LSBRMS. 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. LTC2228: SNR vs Input Frequency, –1dB, 2V Range, 65Msps n Sample Rate: 65Msps/40Msps/25Msps n Single 3V Supply (2.7V to 3.4V) n Low Power: 205mW/120mW/75mW n 71.3dB SNR n 90dB SFDR n No Missing Codes 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 125Msps: LTC2253 (12-Bit), LTC2255 (14-Bit) 105Msps: LTC2252 (12-Bit), LTC2254 (14-Bit) 80Msps: LTC2229 (12-Bit), LTC2249 (14-Bit) 65Msps: LTC2228 (12-Bit), LTC2248 (14-Bit) 40Msps: LTC2227 (12-Bit), LTC2247 (14-Bit) 25Msps: LTC2226 (12-Bit), LTC2246 (14-Bit) 10Msps: LTC2225 (12-Bit), LTC2245 (14-Bit) n 32-Pin (5mm × 5mm) QFN Package n Wireless and Wired Broadband Communication n Imaging Systems n Ultrasound n Spectral Analysis n Portable Instrumentation L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. – + INPUT S/H CORRECTION LOGIC OUTPUT DRIVERS 12-BIT PIPELINED ADC CORE CLOCK/DUTY CYCLE CONTROL FLEXIBLE REFERENCE D11 • • • D0 CLK REFH REFL ANALOG INPUT 222876 TA01 OVDD OGND INPUT FREQUENCY (MHz) 0 70 71 200 2228 G09 69 68 50 100 150 72 |
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