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AD9254

Part Number	AD9254
Manufacturer	Analog Devices
Description	14-Bit Analog-to-Digital Converter
Published	Dec 8, 2006
Detailed Description	FEATURES 1.8 V analog supply operation 1.8 V to 3.3 V output supply SNR = 71.8 dBc (72.8 dBFS) to 70 MHz input SFDR = 84...
Datasheet	AD9254 PDF File

Overview

FEATURES 1.
8 V analog supply operation 1.
8 V to 3.
3 V output supply SNR = 71.
8 dBc (72.
8 dBFS) to 70 MHz input SFDR = 84 dBc to 70 MHz input Low power: 430 mW @ 150 MSPS Differential input with 650 MHz bandwidth On-chip voltage reference and sample-and-hold amplifier DNL = ±0.
4 LSB Flexible analog input: 1 V p-p to 2 V p-p range Offset binary, Gray code, or twos complement data format Clock duty cycle stabilizer Data output clock Serial port control Built-in selectable digital test pattern generation Programmable clock and data alignment APPLICATIONS Ultrasound equipment IF sampling in communications receivers CDMA2000, WCDMA, TD-SCDMA, and WiMax Battery-powered instruments Hand-held scopemeters Low cost digital oscilloscopes Macro, micro, and pico cell infrastructure GENERAL DESCRIPTION The AD9254 is a monolithic, single 1.
8 V supply, 14-bit, 150 MSPS analog-to-digital converter (ADC), featuring a high performance sample-and-hold amplifier (SHA) and on-chip voltage reference.
The product uses a multistage differential pipeline architecture with output error correction logic to provide 14-bit accuracy at 150 MSPS data rates and guarantees no missing codes over the full operating temperature range.
The wide bandwidth, truly differential SHA allows a variety of user-selectable input ranges and offsets, including single-ended applications.
It is suitable for multiplexed systems that switch full-scale voltage levels in successive channels and for sampling single-channel inputs at frequencies well beyond the Nyquist rate.
Combined with power and cost savings over previously available ADCs, the AD9254 is suitable for applications in communications, imaging, and medical ultrasound.
A differential clock input controls all internal conversion cycles.
A duty cycle stabilizer (DCS) compensates for wide variations in the clock duty cycle while maintaining excellent overall ADC performance.
Rev.
A Information furnished by Analog Devices is believed to be accurate and reliable.
H...

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