LMX2531 Selling Leads, Price trend, LMX2531 DataSheet download, circuit diagram from SeekIC.com

Features: Multiple Frequency Options Available- See Selection Guide Below- Frequencies from: 765 MHz - 2790 MHzPLL Features- Fractional-N Delta Sigma Modulator Orderprogrammable up to 4th order- FastLock/Cycle Slip Reduction with Timeout Counter- Partially integrated, adjustable Loop Filter- Very ...

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SeekIC No. : 004397390 Detail

LMX2531: Features: Multiple Frequency Options Available- See Selection Guide Below- Frequencies from: 765 MHz - 2790 MHzPLL Features- Fractional-N Delta Sigma Modulator Orderprogrammable up to 4th order- Fas...

LMX2531 Data Sheet

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Part Number:: LMX2531
Supply Ability:: 5000

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1~5000

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Negotiable

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Upload time: 2024/11/21

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Product Details

Description

Features:

Multiple Frequency Options Available- See Selection Guide Below- Frequencies from: 765 MHz - 2790 MHz
PLL Features- Fractional-N Delta Sigma Modulator Order
programmable up to 4th order- FastLock/Cycle Slip Reduction with Timeout Counter- Partially integrated, adjustable Loop Filter- Very low phase noise and spurs
VCO Features- Integrated tank inductor- Low phase noise
Other Features- 2.8 V to 3.2 V Operation- Low Power-Down Current- 1.8V MICROWIRE Support- Package: 36 Lead LLP

Application

3G Cellular Base Stations (WCDMA,TD-SCDMA,CDMA2000)
2G Cellular Base Stations (GSM/GPRS, EDGE,CDMA1xRTT)
Wireless LAN
Broadband Wireless Access
Satellite Communications
Wireless Radio
Automotive
CATV Equipment
Instrumentation and Test Equipment
RFID Readers

Pinout

Connection Diagram

Specifications

Parameter	Symbol	Ratings	Units
Power Supply Voltage	V_CC (VccDIG, VccVCO, VccBUF, VccPLL)	-0.3 to 3.5	V
Power Supply Voltage	All other pins (Except Ground)	-0.3 to 3.0	V
Storage Temperature Range	T_STG	-65 to 150	˚C
Lead Temperature (solder 4 sec.)	T_L	+ 260	˚C

Description

The LMX2531 is a low power, high performance frequencysynthesizer system which includes a fully integrated delta-sigma PLL and VCO with fully integrated tank circuit. Thethird and fourth poles are also integrated and also adjust-able. Also included are integrated ultra-low noise and highprecision LDOs for the PLL and VCO which give highersupply noise immunity and also more consistent perfor-mance. When combined with a high quality reference oscil-lator, the LMX2531 generates very stable, low noise localoscillator signals for up and down conversion in wirelesscommunication devices. The LMX2531 is a monolithic inte-grated circuit, fabricated in an advanced BiCMOS process.

There are actually several different versions of this product,for which the primary difference is frequency range.

Device programming is facilitated using a three-wireMICROWIRE Interface that can operate down to 1.8 volts.

Supply voltage range is 2.8 to 3.2 Volts. The LMX2531 isavailable in a 36 pin 6x6x0.8 mm Lead-Free Leadless Lead-frame Package (LLP).

LMX2531

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