Datasheet > AD6679BBPZ-500

AD6679BBPZ-500

更新时间： 2024-01-07 07:08:03

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
82页	1723K
描述
135 MHz BW IF Diversity Receiver

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AD6679BBPZ-500 数据手册

135 MHz BW IF Diversity Receiver

Data Sheet

AD6679

FEATURES

APPLICATIONS

Parallel LVDS (DDR) outputs

Diversity multiband, multimode digital receivers

3G/4G, TD-SCDMA, W-CDMA, GSM, LTE, LTE-A

DOCSIS 3.0 CMTS upstream receive paths

HFC digital reverse path receivers

In-band SFDR = 82 dBFS at 340 MHz (500 MSPS)

In-band SNR = 67.8 dBFS at 340 MHz (500 MSPS)

1.1 W total power per channel at 500 MSPS (default settings)

Noise density = −153 dBFS/Hz at 500 MSPS

1.25 V, 2.50 V, and 3.3 V dc supply operation

Flexible input range

1.46 V p-p to 2.06 V p-p (2.06 V p-p nominal)

95 dB channel isolation/crosstalk

Amplitude detect bits for efficient automatic gain control

(AGC) implementation

Noise shaping requantizer (NSR) option for main receiver

function

Variable dynamic range (VDR) option for digital

predistortion (DPD) function

2 integrated wideband digital processors per channel

12-bit numerically controlled oscillator (NCO), up to

4 cascaded half-band filters

GENERAL DESCRIPTION

The AD6679 is a 135 MHz bandwidth mixed-signal intermediate

frequency (IF) receiver. It consists of two, 14-bit, 500 MSPS

analog-to-digital converters (ADCs) and various digital signal

processing blocks consisting of four wideband DDCs, an NSR,

and VDR monitoring. It has an on-chip buffer and a sample-and-

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

This product is designed to support communications applications

capable of sampling wide bandwidth analog signals of up to 2 GHz.

The AD6679 is optimized for wide input bandwidth, high sampling

rates, excellent linearity, and low power in a small package.

The dual ADC cores feature a multistage, differential pipelined

architecture with integrated output error correction logic. Each

ADC features wide bandwidth inputs supporting a variety of

user-selectable input ranges. An integrated voltage reference

eases design considerations.

Differential clock inputs

Integer clock divide by 1, 2, 4, or 8

Energy saving power-down modes

Small signal dither

FUNCTIONAL BLOCK DIAGRAM

AVDD1

(1.25V)

AVDD2

(2.50V)

AVDD3

(3.3V)

DVDD

(1.25V)

DRVDD

(1.25V)

SPIVDD

(1.22V TO 3.4V)

BUFFER

VIN+A

VIN–A

FD_A

D0±

SIGNAL PROCESSING

ADC

D1±

D2±

D3±

DIGITAL DOWN-

CONVERSION

(×4)

D4±

D5±

D6±

D7±

FAST

DETECT

SIGNAL

MONITOR

LVDS

OUTPUT

STAGING

D8±

DATA

ROUTER

MUX

LVDS

OUTPUTS

D9±

NOISE SHAPING

REQUANTIZER

(×2)

FD_B

V_1P0

VIN+B

VIN–B

D10±

D11±

D12±

D13±

DCO±

STATUS±

BUFFER

VARIABLE

DYNAMIC RANGE

(×2)

ADC

FAST

DETECT

CLOCK

GENERATION

AND ADJUST

CLK+

CLK–

AD6679

÷2

÷4

÷8

SIGNAL

MONITOR

PDWN/STBY

SPI CONTROL

DGND

AGND

SDIO

DRGND

SYNC±

SCLK

CSB

Figure 1.

Rev. B

Document Feedback

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Technical Support

www.analog.com

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与AD6679BBPZ-500相关器件

型号	品牌	获取价格	描述	数据表
AD6679BBPZRL7-500	ADI	获取价格	135 MHz BW IF Diversity Receiver
AD667AD	ADI	获取价格	Microprocessor-Compatible 12-Bit D/A Converter
AD667AE	ETC	获取价格	12-Bit Digital-to-Analog Converter
AD667BD	ADI	获取价格	Microprocessor-Compatible 12-Bit D/A Converter
AD667BE	ADI	获取价格	IC IC,D/A CONVERTER,SINGLE,12-BIT,BIPOLAR,LLCC,28PIN, Digital to Analog Converter
AD667JCHIPS	ETC	获取价格	12-Bit Digital-to-Analog Converter
AD667JN	ADI	获取价格	Microprocessor-Compatible 12-Bit D/A Converter
AD667JN/+	ETC	获取价格	12-Bit Digital-to-Analog Converter
AD667JNZ	ADI	获取价格	Microprocessor-Compatible 12-Bit D/A Converter
AD667JP	ADI	获取价格	Microprocessor-Compatible 12-Bit D/A Converter

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