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AD9648 View Datasheet(PDF) - Analog Devices

Part NameDescriptionManufacturer
AD9648 14-Bit, 125 MSPS/105 MSPS, 1.8 V Dual Analog-to-Digital Converter ADI
Analog Devices ADI
AD9648 Datasheet PDF : 44 Pages
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GENERAL DESCRIPTION
The AD9648 is a monolithic, dual-channel, 1.8 V supply, 14-bit,
105 MSPS/125 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 14-bit accuracy at
125 MSPS data rates and to guarantee no missing codes over the
full operating temperature range.
The ADC contains several features designed to maximize
flexibility and minimize system cost, such as programmable
clock and data alignment and programmable digital test pattern
generation. The available digital test patterns include built-in
deterministic and pseudorandom patterns, along with custom
user-defined test patterns entered via the serial port interface (SPI).
AD9648
A differential clock input controls all internal conversion cycles.
An optional duty cycle stabilizer (DCS) compensates for wide
variations in the clock duty cycle while maintaining excellent
overall ADC performance.
The digital output data is presented in offset binary, Gray code, or
twos complement format. A data output clock (DCO) is provided
for each ADC channel to ensure proper latch timing with receiving
logic. Output logic levels of 1.8 V CMOS or LVDS are supported.
Output data can also be multiplexed onto a single output bus.
The AD9648 is available in a 64-lead RoHS compliant LFCSP and
is specified over the industrial temperature range (−40°C to
+85°C). This product is protected by a U.S. patent.
Rev. 0 | Page 3 of 44
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