MAX2750AUA+

更新时间： 2024-02-02 12:35:26

品牌	Logo	应用领域
美信 - MAXIM		振荡器压控振荡器
页数	文件大小	规格书
6页	158K
描述
2.4GHz Monolithic Voltage-Controlled Oscillator for Automotive

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MAX2750AUA+ 数据手册

19-0831; Rev 0; 6/07

2.4GHz Monolithic

Voltage-Controlled Oscillator for Automotive

MX2750UA

General Description

Features

The MAX2750AUA is a self-contained voltage-controlled

oscillator (VCO) intended for use over the 2370MHz

to 2470MHz frequency range. The IC combines a fully

integrated oscillator and output buffer in a miniature 8-pin

µMAX^®package.

♦ Guaranteed Frequency Tuning Range:

2370MHz to 2470MHz

♦ On-Chip Tank Circuit

♦ Internally Matched Output Buffer Amplifier

♦ Low-Current Shutdown Mode

♦ +2.7V to +5.5V Supply Voltage Range

♦ Miniature 8-Pin µMAX Package

♦ -40°C to +125°C Temperature Range

The inductor and varactor elements of the tank are inte-

grated on-chip, greatly simplifying application of the part.

The only required external components are a couple of

supply bypass capacitors. The IC provides direct connec-

tion to the VCO tuning voltage input and the VCO buffer

output. The tuning voltage input range is +0.4V to +2.4V,

and the oscillator frequency tuning range is factory adjust-

ed to provide guaranteed limits. The output signal is

buffered by an amplifier stage (internally matched to 50Ω)

to provide higher output power and isolate the device from

load impedance variations.

Ordering Information

PIN-

PACKAGE

PKG

CODE

PART

TEMP RANGE

The MAX2750AUA operates over a +2.7V to +5.5V sup-

ply voltage range. Internal regulation of the oscillator sup-

ply voltage eliminates the need for an external LDO

regulator for the VCO. The IC also provides a digitally con-

trolled shutdown mode to permit implementation of

sophisticated power-supply management. In shutdown,

the supply current is reduced to less than 2µA.

MAX2750AUA+ -40°C to +125°C

8 μMAX

U8-1

+Denotes a lead-free package.

Pin Configuration appears at end of data sheet.

________________________Applications

Automotive

2.4GHz ISM Band

µMAX is a registered trademark of Maxim Integrated Products, Inc.

Typical Operating Circuit

BYP

GND

OUT

TUNE

GND

OSCILLATOR

CORE

OUT TO MIXER/

SYNTHESIZER

TUNE

CC1

MAX2750AUA

CC2

SHDN

BIAS

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6

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