The ADC12040 is a monolithic CMOS analog-to-digital converter capable of converting
analog input signals into 12-bit digital words at 40 Megasamples per second (MSPS), minimum. This
converter uses a differential, pipeline architecture with digital error correction and an on-chip
sample-and-hold circuit to minimize die size and power consumption while providing excellent
dynamic performance. Operating on a single 5V power supply, this device consumes just 340 mW at 40
MSPS, including the reference current. The Power Down feature reduces power consumption to 40
The differential inputs provide a full scale differential input swing equal to
2VREF with the possibility of a single-ended input, although full use of the
differential input is required for optimum performance. For ease of use, the buffered, high
impedance, single-ended reference input is converted on-chip to a differential reference for use by
the processing circuitry. Output data format is 12-bit offset binary.
This device is available in the 32-lead LQFP package and will operate over the industrial
temperature range of −40°C to +85°C.
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