AD9629

The AD9629 is a monolithic, single channel 1.8 V supply, 12-bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS analog-to-digital converter (ADC). It features a high performance sample-and-hold circuit and on-chip voltage reference.The product uses multistage differential pipeline architecture with output error correction logic to provide 12-bit accuracy at 80 MSPS data rates and to guarantee no missing codes over the full operating temperature range.

Features of the AD9629 are:(1)differential input with 700 MHz bandwidth; (2)on-chip voltage reference and sample-and-hold circuit; (3)2 V p-p differential analog input; (4)offset binary, gray code, or twos complement data format; (5)integer 1, 2, or 4 input clock divider; (6)built-in selectable digital test pattern generation; (7)energy-saving power-down modes; (8)data clock out with programmable clock and data alignment.

The absolute maximum ratings of the AD9629 can be summarized as:(1)AVDD to AGND:-0.3V to +2.0V;(2)storage temperature range:-65 to +150;(3)junction temperature:150;(4)operating temperature range:-40 to 85;(5)VCM to AGND:-0.3 V to AVDD + 0.2 V;(6)DCO to AGND:-0.3V to DRVDD+0.3 V.Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.The exposed paddle is the only ground connection for the chip.The exposed paddle must be soldered to the AGND plane of the user's circuit board. Soldering the exposed paddle to the user's board also increases the reliability of the solder joints and maximizes the thermal capability of the package.

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