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Name: LMX2571NJKR
Brand: Texas Instruments
SKU: LMX2571NJKR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments LMX2571NJKR

Part No.:: LMX2571NJKR

Manufacturer:: Texas Instruments

Package:: 36-WFQFN Exposed Pad

Datasheet:: LMX2571NJKR.pdf

Description:: IC SYNTHESIZER W/FSK MOD 36WQFN

In Stock:: 2165

Quantity:: Add To Cart

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LMX2571NJKR Specifications

Package/Case:
36-WFQFN Exposed Pad
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
PLLatinum™
ProductStatus:
Active
Type:
Frequency Synthesizer (RF)
PLL:
Yes with Bypass
Input:
Clock, Crystal
Output:
Clock
NumberofCircuits:
1
Ratio-Input:Output:
2:2
Differential-Input:Output:
Yes/No
Frequency-Max:
1.4GHz
Divider/Multiplier:
Yes/Yes
Voltage-Supply:
3.15V ~ 3.45V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

LMX2571NJKR this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LMX2571NJKR price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for LMX2571NJKR to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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LMX2571NJKR information

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LMX2571NJKR Typical application Circuitry

LMX2571NJKR

The LMX2571NJKR from Texas Instruments is a low-power, high-performance frequency synthesizer featuring on-board VCOs and an external loop filter. Properly connecting and configuring the LMX2571NJKR is vital to maximize its performance and features. Here's a guide tailored for the LMX2571NJKR:

1. Power Supply Connections: For the LMX2571NJKR, the VCC pins should be linked to a 3.3V supply, whereas the DVCC pin should be connected to a 1.8V supply. An integral point to consider is that ACC, which powers the VCO, must also be connected to a 3.3V supply. It's recommended to position bypass capacitors close to these pins to help with voltage stabilization and noise reduction.

2. Reference Frequency Input: The LMX2571NJKR utilizes a reference frequency to facilitate its synthesis operations. Your reference clock signal should be coupled to the OSC in pin. The Scout pin can be left floating or connected to a suitable load if the reference is output.

3. VCO Configuration: The LMX2571NJKR boasts an integrated VCO. However, you can opt for an external VCO by connecting its output to the VCO_EXT pin. When using the internal VCO, ensure the VCO_EXT is left floating.

4. Output Frequency: The Rout pins (Route and Route) on the LMX2571NJKR deliver the generated frequency output. Depending on your design, you can connect these to amplifiers, mixers, or directly to antennas.

5. Loop Filter and Charge Pump: One of the salient features of the LMX2571NJKR is its PLL (Phase-Locked Loop). To stabilize this PLL, connect a loop filter between the Clout pin and the Tune pin. This will ensure a stable control voltage for the VCO.

6. Control Interface: The LMX2571NJKR is configured through an SPI interface. CSS, SILK, SDI, and Buyout are the primary pins for this purpose. Interface these pins with your microcontroller or processor's SPI interface for chip configuration.

7. Digital Grounding: A common digital ground plane should be linked to all DGND pins. This ensures a noise-free digital environment for the LMX2571NJKR.

8. Analog Grounding: All AND Pins must be linked to an analog ground as well. This ground plane should be separate from the digital ground to minimize noise interference.

To wrap it up, when incorporating the LMX2571NJKR into your design, accuracy in pin connections is essential. The unique capabilities of the LMX2571NJKR, combined with meticulous circuit design, can yield exceptional performance in frequency synthesis applications. Always refer to Texas Instruments' official data sheet and application notes for the LMX2571NJKR for a comprehensive understanding and nuanced details. A well-optimized layout and adherence to best practices will ensure that the LMX2571NJKR operates at its pinnacle of performance.

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LMX2571NJKR.

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