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AD9956

Features: `400 MSPS internal DDS clock speed`48-bit frequency tuning word`14-bit programmable phase offset`Integrated 14-bit DAC`Excellent dynamic performance`Phase noise 135 dBc/Hz @ 1 KHz offset`−80 dB SFDR @ 160 MHz (±100 KHz offset IOUT)`25 Mb/s write-speed serial I/O control`200 MHz ph...

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SeekIC No. : 004273746 Detail

AD9956: Features: `400 MSPS internal DDS clock speed`48-bit frequency tuning word`14-bit programmable phase offset`Integrated 14-bit DAC`Excellent dynamic performance`Phase noise 135 dBc/Hz @ 1 KHz offset`...

AD9956 Data Sheet

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Part Number:
AD9956
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/27

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Product Details

Description



Features:

`400 MSPS internal DDS clock speed
`48-bit frequency tuning word
`14-bit programmable phase offset
`Integrated 14-bit DAC
`Excellent dynamic performance
`Phase noise 135 dBc/Hz @ 1 KHz offset
`−80 dB SFDR @ 160 MHz (±100 KHz offset IOUT)
`25 Mb/s write-speed serial I/O control
`200 MHz phase frequency detector inputs
`655 MHz programmable input dividers for the phase frequency detector (÷M, ÷N) {M, N = 1..16} (bypassable)
`Programmable RF divider (÷R) {R = 1, 2, 4, 8} (bypassable)
`8 phase/frequency profiles
`1.8 V supply for device operation
`3.3 V supply for I/O and charge pump
`Software controlled power-down
`48-lead LFCSP package
`Automatic linear frequency sweeping capability (in DDS)
`Programmable charge pump current (up to 4 mA)
`Phase modulation capability
`Multichip synchronization
`Dual-mode PLL lock detect
`655 MHz CML-mode PECL-compliant driver




Application

·Agile LO frequency synthesis
·FM chirp source for radar and scanning systems
·Automotive radars
·Test and measurement equipment
·Acousto-optic device drivers




Pinout

AD9956 Diagram




Specifications

Compliance Range (V) 2.3V
FS Iout (mA nom) 10mA
I Supply total (max) n/a
I/O Interface Serial
Master fclk 400MHz
Nominal Supply (V) Multi(+1.8, +3.3)
On-Board Comparator No
REFCLK Multiplier No
Resolution (Bits) 14bit


Parameter Rating
Analog Supply Voltage (AVDD)
Digital Supply Voltage (DVDD)
Digital I/O Supply Voltage (DVDD_I/0)
Charge Pump Supply Voltage (CPVDD)
Maximum Digital Input Voltage
Storage Temperature
Operating Temperature Range
Lead Temperature Range (Soldering 10 sec)
Junction Temperature
Thermal Resistance (JA)		 2 V
2 V
3.6 V
3.6 V
−0.5 V to DVDD_I/O + 0.5 V
−65°C to +150°C
−40°C to +125°C
300°C
150°C
26°C/W

Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.






Description

The AD9956 is Analog Devices's first AgileRF synthesizer.The device is comprised of a DDS and PLL circuitry. The DDSfeatures a 14-bit DAC operating up to 400 MSPS and a 48-bitfrequency




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