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LMX2820RTCR +BOM

22.6-GHz wideband RF synthesizer with phase synchronization, JESD and <5-µs frequency calibration

Hersteller:

TI
Herstellerteil #:

LMX2820RTCR
Datenblatt:

LMX2820RTCR Datenblatt (PDF)
Pbfree Code:

Yes
Part Life Cycle Code:

Active
Reach Compliance Code:

compliant
ECCN Code:

EAR99
EDA/CAD Modelle:

Fordern Sie kostenlose CAD-Modelle für an LMX2820RTCR

Email: [email protected]

Skype: live:.cid.ab6b29428937b76

Tel: +852 95804164

LMX2820RTCR Allgemeine Beschreibung

The LMX2820 is a high-performance, wideband synthesizer that can generate any frequency in the range of 45 MHz to 22.6 GHz. The high performance PLL with figure of merit of –236 dBc/Hz and high phase detector frequency can attain very low in-band noise and integrated jitter. The high-speed N-divider has no pre-divider, thus significantly reducing the amplitude and number of spurs. There is also a programmable input multiplier to mitigate integer boundary spurs.

The LMX2820 allows users to synchronize the output of multiple devices and also enables applications that need deterministic delay between input and output. The fast calibration algorithm greatly reduces the VCO calibration time, enabling systems requiring fast frequency hopping. The LMX2820 can generate or repeat SYSREF that is compliant to the JESD204B standard, allowing for its use as a low-noise clock source for high-speed data converters. This synthesizer can also be used with an external VCO. A direct PFD input pin is provided to support offset mixing for low spurious transmission.

The device runs from a single 3.3-V supply and has integrated LDOs that eliminate the need for onboard low-noise LDOs.

Hauptmerkmale

Output frequency: 45 MHz to 22.6 GHz
36-fs rms jitter (12 kHz – 95 MHz) at 6 GHz
High-performance PLL
- Figure of merit: –236 dBc/Hz
- Normalized 1/f noise: –134 dBc/Hz
- -95 dBc Integer Mode Spurs (f_PD=100 MHz)
- High phase detector frequency
  - 400-MHz integer mode
  - 300-MHz fractional mode
- Programmable input multiplier
- Direct PFD input for offset mixing support allowing PLL N divider to be one for ultra-low jitter
2.5-µs fast VCO calibration time
Mute pin with 200-ns mute/unmute time
–45-dBc VCO leakage with doubler enabled
Support for external VCO up to 22.6-GHz
Synchronization of output phase across multiple devices
Two differential RF outputs and one differential SYSREF output for JESD204B support

Spezifikationen

Source Content uid	LMX2820RTCR	Pbfree Code	Yes
Part Life Cycle Code	Active	Reach Compliance Code	compliant
ECCN Code	EAR99	HTS Code	8542.39.00.01
Date Of Intro	2020-08-25	Analog IC - Other Type	PLL FREQUENCY SYNTHESIZER
JESD-30 Code	S-PQCC-N48	Moisture Sensitivity Level	3
Number of Functions	1	Number of Terminals	48
Peak Reflow Temperature (Cel)	260	Surface Mount	YES
Temperature Grade	INDUSTRIAL	Terminal Finish	NICKEL PALLADIUM GOLD SILVER
Terminal Form	NO LEAD	Terminal Position	QUAD
Time@Peak Reflow Temperature-Max (s)	30	Product Category	Phase Locked Loops - PLL
Type	PLL RF Synthesizer	Maximum Input Frequency	1.4 GHz
Minimum Input Frequency	5 MHz	Output Frequency Range	45 MHz to 22.6 GHz
Supply Voltage - Max	3.45 V	Supply Voltage - Min	3.15 V
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 85 C
Mounting Style	SMD/SMT	Development Kit	LMX2820EVM
Operating Supply Current	500 mA	Operating Supply Voltage	3.3 V
Product Type	PLLs - Phase Locked Loops	Factory Pack Quantity	2500
Subcategory	Wireless & RF Integrated Circuits

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