AD9690BCPZ-500 datasheet(3/77 Pages) AD

Numer części	AD9690BCPZ-500

Szczegółowy opis	14-Bit, 1 GSPS/500 MSPS JESD204B, Analog-to-Digital Converter

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Data Sheet

AD9690

GENERAL DESCRIPTION

The AD9690 is a 14-bit, 1 GSPS/500 MSPS analog-to-digital

converter (ADC). The device has an on-chip buffer and sample-

and-hold circuit designed for low power, small size, and ease of

use. This device is designed for sampling wide bandwidth

analog signals of up to 2 GHz. The AD9690 is optimized for

wide input bandwidth, high sampling rate, excellent linearity,

and low power in a small package.

The ADC core features a multistage, differential pipelined

architecture with integrated output error correction logic. The

ADC features wide bandwidth inputs supporting a variety of

user-selectable input ranges. An integrated voltage reference

eases design considerations.

The analog input and clock signals are differential inputs. The

ADC data output is internally connected to two digital down-

converters (DDCs). Each DDC consists of four cascaded signal

processing stages: a 12-bit frequency translator (NCO), and four

half-band decimation filters.

In addition to the DDC blocks, the AD9690 has several

functions that simplify the automatic gain control (AGC)

function in the communications receiver. The programmable

threshold detector allows monitoring of the incoming signal

power using the fast detect output bits of the ADC. If the input

signal level exceeds the programmable threshold, the fast detect

indicator goes high. Because this threshold indicator has low

latency, the user can quickly turn down the system gain to avoid

an overrange condition at the ADC input.

Users can configure the Subclass 1 JESD204B-based high speed

serialized output in a variety of one-, two-, or four-lane con-

figurations, depending on the DDC configuration and the

acceptable lane rate of the receiving logic device. Multiple device

synchronization is supported through the SYSREF± and

SYNCINB± input pins.

The AD9690 has flexible power-down options that allow

significant power savings when desired. All of these features can

be programmed using a 1.8 V to 3.3 V capable 3-wire SPI.

The AD9690 is available in a Pb-free, 64-lead LFCSP and is

specified over the −40°C to +85°C industrial temperature range.

This product is protected by a U.S. patent.

Rev. 0 | Page 3 of 77

Podobny numer części - AD9690BCPZ-500

Producent	Numer części	Arkusz danych	Szczegółowy opis
Analog Devices	AD9690BCPZ-500	2Mb / 79P	Analog-to-Digital Converter

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Podobny opis - AD9690BCPZ-500

Producent	Numer części	Arkusz danych	Szczegółowy opis
Analog Devices	AD9234	1Mb / 66P	12-Bit, 1 GSPS/500 MSPS JESD204B, Dual Analog-to-Digital Converter
	AD9234	1Mb / 72P	12-Bit, 1 GSPS/500 MSPS JESD204B, Dual Analog-to-Digital Converter Rev. B
	AD9694-EP	614Kb / 15P	14-Bit, 500 MSPS, JESD204B, Quad Analog-to-Digital Converter Rev. A
	AD9694	2Mb / 101P	14-Bit, 500 MSPS JESD204B, Quad Analog-to-Digital Converter
	AD9694S-CSL	525Kb / 16P	14-Bit, 500 MSPS, JESD204B, Quad Analog-to-Digital Converter Rev. 0
	AD9208	1Mb / 137P	14-Bit, 3 GSPS, JESD204B, Dual Analog-to-Digital Converter
	AD9699	7Mb / 121P	14-Bit, 3 GSPS, JESD204B, Single Analog-to-Digital Converter
	AD9697	1Mb / 130P	14-Bit, 1300 MSPS, JESD204B, Analog-to-Digital Converter Rev. 0
	AD9691	1Mb / 72P	14-Bit, 1.25 GSPS JESD204B, Dual Analog-to-Digital Converter
	AD9683	1Mb / 44P	14-Bit, 170 MSPS/250 MSPS, JESD204B, Analog-to-Digital Converter REV. 0

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