AD9649BCPZRL7-40 datasheet(3/32 Pages) AD

Part #	AD9649BCPZRL7-40

Description	14-Bit, 20/40/65/80 MSPS 1.8 V Analog-to-Digital Converter

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Manufacturer	AD [Analog Devices]

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AD9649

Rev. 0 | Page 3 of 3

2

GENERAL DESCRIPTION

The AD9649 is a monolithic, single channel 1.8 V supply, 14-bit,

20/40/65/80 MSPS analog-to-digital converter (ADC). It features

a high performance sample-and-hold circuit and an on-chip volt-

age reference.

The product uses multistage differential pipeline architecture

with output error correction logic to provide 14-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 optional 1, 2, or 4 divide ratios

controls all internal conversion cycles.

The 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 AD9649 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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