AD9248-20PCB Datasheet

14-Bit, 20/40/65 MSPS Dual A/ D Converter


The AD9248 is a dual, 3 V, 14- bit, 20/40/65 MSPS analog - to digital converter. It features dual high performance sample- and hold amplifiers and an integrated vol tage reference. The AD9248 uses a multistage differential pipelined architecture with output error correction logic to provide 14- bit accuracy
and guarantee no missing codes over the full operating temperature range at up to 65 MSPS data rates. The wide bandwidth, differential SHA allows for a variety of user selectable input ranges and offsets including single - ended applications. It is suitable for various applications including multiplexed systems that switch full- scale voltage levels in successive chann els and for sampling inputs at frequencies well
beyond the Nyquist rate.

Integrated Dual 14-Bit A -to-D Converters
Single 3 V Supply Operation (2.7 V to 3.6 V)
SNR = 73 dBc (to Nyquist, AD9248-65)
SFDR = 83 dBc (to Nyquist, AD9248-65)
Low Power: 600 mW at 65 MSPS
Differential Input with 500 MHz 3 dB Bandwidth
Exceptional Cross Talk Immunity > 85dB
Flexible Analog Input: 1 V p-p to 2 V p-p Range
Offset Binary or Twos Complement Data Format
Clock Duty Cycle Stabilizer

Ultrasound Equipment
IF Sampling in Communications Receivers:
IS-95, CDMA One, IMT-2000
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Hand-Held Scopemeters
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Manufacturer information


Analog Devices, Inc. Introduction - Analog Devices, Inc. (NASDAQ: ADI) defines innovation and excellence in signal processing. ADI's analog, mixed-signal, and digital signal processing (DSP) integrated circuits (IC) play a fundamental role in converting, conditioning, and processing real-world phenomena such as light, sound, temperature, motion, and pressure into electrical signals to be used in a wide array of electronic equipment. ADI is synonymous with high performance among electronics manufacturers and we collaborate with our customers to define the very best in the quality of the user experience. That means the clearest image, crispest sound, and optimum interface, size and performance in thousands of entertainment, medical, communications, industrial and other applications.

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