AD9266-80EBZ datasheet(3/32 Pages) AD

3 / 32 page

Data Sheet

AD9266

Rev. A | Page 3 of 32

GENERAL DESCRIPTION

The AD9266 is a monolithic, single-channel 1.8 V supply,

16-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 16-bit accuracy at

80 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).

A differential clock input with a selectable internal 1-to-8 divide

ratio 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 interleaved digital output data is presented in offset binary,

gray code, or twos complement format. A data output clock

(DCO) is provided to ensure proper latch timing with receiving

logic. Both 1.8 V and 3.3 V CMOS levels are supported.

The AD9266 is available in a 32-lead RoHS-compliant LFCSP

and is specified over the industrial temperature range (−40°C

to +85°C).

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