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TRF3750

Features: · Single Device Covers Frequencies Up to 2.4 GHz· Dual Supply Range: 3 V − 3.6 V and 4.5 V − 5.5 V· Separate Charge Pump Supply (VCP) Up to 8 V· Simple 3-Wire Serial Interface Allows for Fully Programmable: − A, B, and R Counters − Dual Modulus Prescaler [8/9, 16/...

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SeekIC No. : 004528093 Detail

TRF3750: Features: · Single Device Covers Frequencies Up to 2.4 GHz· Dual Supply Range: 3 V − 3.6 V and 4.5 V − 5.5 V· Separate Charge Pump Supply (VCP) Up to 8 V· Simple 3-Wire Serial Interface ...

TRF3750 Data Sheet

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Part Number:
TRF3750
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

· Single Device Covers Frequencies Up to 2.4 GHz
· Dual Supply Range: 3 V − 3.6 V and 4.5 V − 5.5 V
· Separate Charge Pump Supply (VCP) Up  to 8 V
· Simple 3-Wire Serial Interface Allows for Fully Programmable:
     −  A, B, and R Counters
     −  Dual Modulus Prescaler [8/9, 16/17, 32/33,and 64/65]
     −  Charge Pump Current
· Lock Detect Output (Digital and Analog)
· Versatile Hardware and Software Power Down
· Packaged in a 16-Pin TSSOP Thin Quad FlatPack and a 20-Pin 4 x 4 mm QFN Package


Application

· Wireless Infrastructure
    −  GSM, IS136, EDGE/UWC−136
    −  IS95, UMTS, CDMA2000
· Portable Wireless Communications
· Wireless LAN
· Wireless Transceivers
· Communication Test Equipment


Pinout

Connection Diagram


Specifications

  UNIT
Supply voltage range(2) AVDD −0.3 V to 6.5 V
AVDD to DVDD −0.3 V to 0.3 V
VCP to AGND −0.3 V to 9 V
Digital I/O voltage to DGND (DGND = 0 V) −0.3 V to 6.5 V
Reference signal input REFIN to DGND −0.3 V to DVDD + 0.3 V
RF prescaler input RFIN, RFIN to AGND −0.3 V to 6.5 V
Continuous power dissipation See Dissipation Rating Table
Storage temperature, TStg −65°C to 150°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260°C



Description

The TRF3750 frequency synthesizer is ideal for designing the local os cillator portion of wireless transceivers byN providing complete programmability and ultra-low phase noise. The TRF3750 features a user-selectable dual- modulus prescaler, a 14-bit reference (R) divider, a 6-bit A,and a 13-bit B counter. The R divider of TRF3750 allows the user to select the frequency of choice for the phase-frequency detector (PFD) circuit, and with the use of the counters implement an N divider of value N = A + P x B. With an extended charge-pump supply (VCP) of up to 8 V, a wide variety of external VCOs can be used to complete the phase-locked loop. Ultra-low phase noise and reference spur performance make the TRF3750 ideal for generating the local oscillator in the most demanding wireless applications.




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