TRF3750 - TRF3750：高性能整数 N PLL 频率合成器

TRF3750是TI德州仪器公司的一款无产品，TRF3750是TRF3750：高性能整数 N PLL 频率合成器，本站介绍了TRF3750的封装应用图解、特点和优点、功能等，并给出了与TRF3750相关的TI元器件型号供参考。

TRF3750 - TRF3750：高性能整数 N PLL 频率合成器 - 无 - RFPPL与合成器 - 德州仪器

产品描述

The TRF3750 frequency synthesizer is ideal for designing the local oscillator portion of wireless transceivers by providing complete programmability and ultra-low phase noise. The device 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 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 × 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.

产品特性

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
ESD Protection Circuitry
Packaged in a 16-Pin TSSOP Thin Quad Flatpack and a 20-Pin 4 x 4 mm QFN Package
APPLICATIONS
- Wireless Infrastructure
  - GSM, IS136, EDGE/UWC-136
  - IS95, UMTS, CDMA2000
- Portable Wireless Communications
- Wireless LAN
- Wireless Transceivers
- Communication Test Equipment

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