Datasheet > STW81200T

STW81200T

更新时间： 2024-01-10 19:11:16

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
58页	3831K
描述
Wideband RF PLL fractional/integer frequency synthesizer with integrated VCOs and LDOs

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STW81200T 数据手册

STW81200

Wideband RF PLL fractional/integer frequency synthesizer

with integrated VCOs and LDOs

Datasheet - production data

• Low Power Functional mode

• Supply Voltage: 3.0 V to 5.4 V

• Small size exposed pad VFQFPN36 package

6 x 6 x 1.0 mm

VFQFPN36

• Process: BICMOS 0.25 µm SiGe

Applications

Features

• Cellular/4G infrastructure equipment

• Instrumentation and test equipment

• Cable TV

• Output frequency range: 46.875 to 6000 MHz

• Very Low Noise

– Normalized in band phase noise floor:

-227 dBc/Hz

• Other wireless communication systems

Table 1. Device summary

– VCO phase noise: -135 dBc/Hz @ 1 MHz

offset, 4.0 GHz carrier

Order Code

Package

Packing

Tray

Tape and reel

– Noise floor: -160 dBc/Hz

• Dual architecture frequency synthesizer:

STW81200T

VFQFPN36

Fractional-N and Integer-N

STW81200TR

• Integrated VCOs with automatic center

frequency calibration

Description

• Programmable RF output dividers by

The STW81200 is a dual architecture frequency

synthesizer (Fractional-N and Integer-N), that

features three low phase-noise VCOs with a

fundamental frequency range of 3.0 GHz to

6.0 GHz and a programmable dual RF output

divider stage which allows coverage from

46.875 MHz to 6 GHz.

1/2/4/8/16/32/64

• Dual RF Output broadband matched with

programmable power level and mute function

• External VCO option with 5 V charge pump

• Integrated low noise LDO voltage regulators

• Maximum phase detector frequency: 100 MHz

• Exact frequency mode

The STW81200 optimizes size and cost of the

final application thanks to the integration of low-

noise LDO voltage regulators and internally-

matched broadband RF outputs.

• Fast lock and cycle slip reduction

• Differential reference clock input (LVDS and

LVECPL compliant) supporting up to 800 MHz

The STW81200 is compatible with a wide range

of supply voltages (from 3.0 V to 5.4 V) providing

to the end user a very high level of flexibility which

trades off excellent performance with power

dissipation requirements. A low-power functional

mode (software controlled) gives an extra power

saving.

• 13-bit programmable reference frequency

divider

• Programmable charge pump current

• Digital lock detector

• Integrated reference crystal oscillator core

• R/W SPI interface

Additional features include crystal oscillator core,

external VCO mode and output-mute function.

• Logic compatibility/tolerance 1.8 V/3.3 V

January 2016

DocID025943 Rev 7

1/58

www.st.com

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与STW81200T相关器件

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STW81200TR	STMICROELECTRONICS	获取价格	Wideband RF PLL fractional/integer frequency synthesizer with integrated VCOs and LDOs
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