LTC2323CUFD-12#PBF

LTC2323CUFD-12#PBF is a low noise, high-speed dual 12bit + sign successive approximation register (SAR) ADC with differential inputs and wide input common mode range. Operating from a single 3.3V or 5V supply, the LTC2323-12 has an 8VP-P differential input range, making it ideal for applications that require a wide dynamic range with high common mode rejection. The LTC2323-12 has a high speed SPI-compatible serial interface that supports CMOS or LVDS. The fast 5Msps per channel throughput with one-cycle latency makes the device ideally suited for a wide variety of high speed applications. The LTC2323-12 dissipates only 38mW per channel and offers nap and sleep modes to reduce the power consumption to 5 μW for further power savings during inactive periods. Applications include high speed data acquisition systems, communications, remote data acquisition, imaging, optical networking, and multiphase motor control.

• Guaranteed 12bit, no missing codes, CMOS or LVDS SPI-compatible serial I/O
• 8VP-P differential inputs with wide input common mode range
• Integral linearity error is ±0.5LSB typical at (TA = 25°C, VDD = 5V, OVDD = 2.5V)
• Signal-to-noise ratio is 73dB typical at (fIN = 2.2MHz, VREFOUT1,2 = 4.096V, internal reference)
• Total harmonic distortion is -85dB typical at (fIN = 2.2MHz, VREFOUT1,2 = 4.096V)
• 1.8V to 2.5V I/O voltages, supply current is 14mA typ at (5Msps sample rate (IN+ = IN– = 0 V))
• 10MHz typical -3dB input linear bandwidth at (TA = 25°C and AIN = -1dBFS)
• Transition noise is 0.2LSBRMS typical at (TA = 25°C, VDD = 5V, OVDD = 2.5V)
• Aperture jitter is 1psRMS typical at (TA = 25°C and AIN = -1dBFS)
• Operating temperature range from 0°C to +70°C, 28-lead QFN package

Notes

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