Datasheet > AD9956YCPZ-REEL1

AD9956YCPZ-REEL1

更新时间： 2022-11-25 14:52:07

品牌	Logo	应用领域
亚德诺 - ADI		数据分配系统
页数	文件大小	规格书
32页	1141K
描述
2.7 GHz DDS-Based AgileRF

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AD9956YCPZ-REEL1 数据手册

2.7 GHz DDS-Based AgileRF^TMSynthesizer

AD9956

3.3 V supply for I/O and charge pump

Software controlled power-down

48-lead LFCSP package

FEATURES

400 MSPS internal DDS clock speed

48-bit frequency tuning word

14-bit programmable phase offset

Integrated 14-bit DAC

Automatic linear frequency sweeping capability (in DDS)

Programmable charge pump current (up to 4 mA)

Phase modulation capability

Excellent dynamic performance

Multichip synchronization

Phase noise ≤ 135 dBc/Hz @ 1 KHz offset

−80 dB SFDR @ 160 MHz ( 100 KHz offset I_OUT

25 Mb/s write-speed serial I/O control

200 MHz phase frequency detector inputs

Dual-mode PLL lock detect

655 MHz CML-mode PECL-compliant driver

)

APPLICATIONS

655 MHz programmable input dividers for the phase

Agile LO frequency synthesis

frequency detector (÷M, ÷N) {M, N = 1..16} (bypassable)

Programmable RF divider (÷R) {R = 1, 2, 4, 8} (bypassable)

8 phase/frequency profiles

FM chirp source for radar and scanning systems

Automotive radars

Test and measurement equipment

Acousto-optic device drivers

1.8 V supply for device operation

FUNCTIONAL BLOCK DIAGRAM

DAC_RSET

DELTA

DDS CORE

PHASE TO

PHASE

OFFSET

FREQUENCY

TUNING WORD

FREQUENCY

ACCUMULATOR

IOUT

AMPLITUDE

CONVERSION

DAC

PHASE

ACCUMULATOR

DELTA

FREQUENCY

RAMP RATE

FTW

PHASE

OFFSET

WORD

SYSCLK

PLL_LOCK/SYNC_IN

I/O_UPDATE

I/O_RESET

TIMING AND CONTROL LOGIC

OSCILLATOR

LOCK

DETECT

CHARGE

PUMP

SCALER

SYSCLK

SYNC_CLK

SYNC_OUT

÷4

RF-DIVIDER

÷R

÷M

÷N

REFCLK

BUFFER

CHARGE

PUMP

CP_OUT

CML CLOCK DRIVER

BUFFER

FROM PLLOSC

DRV DRV DRV_RSET

RESET I/O PORT

CP_RSET

PS<2:0>

PLLREF/ PLLOSC/

PLLREF PLLOSC

Figure 1.

Rev. 0

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 rights of third parties that may result from its 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 and

registered trademarks are the property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

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