LTC2299

FEATURES ■ Integrated Dual 14-Bit ADCs ■ Sample Rate: 80Msps ■ Single 3V Supply (2.7V to 3.4V) ■ Low Power: 444mW ■ 73dB SNR at 70MHz Input ■ 90dB SFDR at 70MHz Input ■ 110dB Channel Isolation at 100MHz ■ Multiplexed or Separate Data Bus ■ Flexible Input: 1VP-P to 2VP-P Range ■ 575MHz Full Power Bandwidth S/H ■ Clock Duty Cycle Stabilizer ■ Shutdown and Nap Modes ■ 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) ■ 64-Pin (9mm × 9mm) QFN Package U APPLICATIO S ■ Wireless and Wired Broadband Communication ■ Imaging Systems ■ Spectral Analysis ■ Portable Instrumentation TYPICAL APPLICATIO ANALOG INPUT A + INPUT S/H – 14-BIT PIPELINED ADC CORE CLK A CLK B CLOCK/DUTY CYCLE CONTROL CLOCK/DUTY CYCLE CONTROL ANALOG INPUT B + INPUT S/H – 14-BIT PIPELINED ADC CORE U U LTC2299 Dual 14-Bit, 80Msps Low Power 3V ADC DESCRIPTIO The LTC®2299 is a 14-bit 80Msps, low power dual 3V A/D converter designed for digitizing high frequency, wide dynamic range signals. The LTC2299 is perfect for demanding imaging and communications applications with AC performance that includes 73dB SNR and 90dB SFDR for signals well beyond the Nyquist frequency. DC specs include ±1.2LSB INL (typ), ±0.5LSB DNL (typ) and ±5LSB INL, ±1LSB DNL over temperature. The transition noise is a low 1.2LSBRMS. A single 3V supply allo...