AD9161BBCZ datasheet(1/144 Pages) AD

номер детали	AD9161BBCZ

подробное описание детали	11-Bit/16-Bit, 12 GSPS, RF Digital-to-Analog Converters

PDF	144 Pages

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11-Bit/16-Bit, 12 GSPS,

RF Digital-to-Analog Converters

Data Sheet

AD9161/AD9162

Rev. D

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rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No

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

Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.

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

Tel: 781.329.4700

Technical Support

www.analog.com

FEATURES

DAC update rate up to 12 GSPS (minimum)

Direct RF synthesis at 6 GSPS (minimum)

DC to 2.5 GHz in baseband 1× bypass mode

DC to 6 GHz in 2× nonreturn-to-zero (NRZ) mode

1.5 GHz to 7.5 GHz in Mix-Mode

Bypassable interpolation (1× or bypass mode)

2×, 3×, 4×, 6×, 8×, 12×, 16×, 24×

Excellent dynamic performance

APPLICATIONS

Broadband communications systems

DOCSIS 3.1 cable modem termination system (CMTS)/

video on demand (VOD)/edge quadrature amplitude

modulation (EQAM)

Wireless communications infrastructure

W-CDMA, LTE, LTE-A, point to point

Instrumentation, automatic test equipment (ATE)

Radars and jammers

GENERAL DESCRIPTION

The AD9161/AD91621 are high performance, 11-bit/16-bit

digital-to-analog converters (DACs) that supports data rates to

6 GSPS. The DAC core is based on a quad-switch architecture

coupled with a 2× interpolator filter that enables an effective

DAC update rate of up to 12 GSPS in some modes. The high

dynamic range and bandwidth makes these DACs ideally suited

for the most demanding high speed radio frequency (RF) DAC

applications.

In baseband mode, wide bandwidth capability combines with

high dynamic range to support DOCSIS 3.1 cable infrastructure

compliance from the minimum of two carriers to full maximum

spectrum of 1.794 GHz. A 2× interpolator filter (FIR85) enables

the AD9161/AD9162 to be configured for lower data rates and

converter clocking to reduce the overall system power and ease

the filtering requirements. In Mix-Mode™ operation, the AD9161/

AD9162 can reconstruct RF carriers in the second and third

Nyquist zones up to 7.5 GHz while still maintaining exceptional

dynamic range. The output current can be programmed from

8 mA to 38.76 mA. The AD9161/AD9162 data interface consists

of up to eight JESD204B serializer/deserializer (SERDES) lanes

that are programmable in terms of lane speed and number of

lanes to enable application flexibility.

A serial peripheral interface (SPI) can configure the AD9161/

AD9162 and monitor the status of all registers. The AD9161/

AD9162 are offered in an 165-ball, 8.0 mm × 8.0 mm, 0.5 mm

pitch, CSP_BGA package and in an 169-ball, 11 mm × 11 mm,

0.8 mm pitch, CSP_BGA package, including a leaded ball

option for the AD9162.

PRODUCT HIGHLIGHTS

1. High dynamic range and signal reconstruction bandwidth

supports RF signal synthesis of up to 7.5 GHz.

2. Up to eight lanes JESD204B SERDES interface flexible in

terms of number of lanes and lane speed.

3. Bandwidth and dynamic range to meet DOCSIS 3.1

compliance with margin.

FUNCTIONAL BLOCK DIAGRAM

HB

2×

HB

3×

JESD

HB

2×,

4×,

8×

INV

SINC

SDO

SDIO

SCLK

CS

SPI

DAC

CORE

SERDIN0±

SERDIN7±

SYSREF±

SYNCOUT±

CLOCK

DISTRIBUTION

CLK±

AD9161/AD9162

TO JESD

TO DATAPATH

TX_ENABLE

OUTPUT±

RESET

IRQ

VREF

ISET VREF

NCO

HB

2×

NRZ RZ MIX

Figure 1.

1

Protected by U.S. Patents 6,842,132 and 7,796,971.

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