Datasheet > MAX2870ETJ+

MAX2870ETJ+

更新时间： 2024-01-13 06:40:41

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
24页	2459K
描述
23.5MHz to 6000MHz Fractional nteger-N Synthesizer/VCO

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MAX2870ETJ+ 数据手册

19-6250; Rev 0; 4/12

E V A L U A T I O N K I T A V A I L A B L E

MAX2870

23.5MHz to 6000MHz Fractional/

Integer-N Synthesizer/VCO

General Description

Benefits and Features

The MAX2870 is an ultra-wideband phase-locked

loop (PLL) with integrated voltage control oscillators

(VCOs) capable of operating in both integer-N and

fractional-N modes. When combined with an external

reference oscillator and loop filter, the MAX2870 is

a high-performance frequency synthesizer capable

of synthesizing frequencies from 23.5MHz to 6.0GHz

while maintaining superior phase noise and spurious

performance.

S Integer and Fractional-N Modes

S Manual or Automatic VCO Selection

S 3000MHz to 6000MHz Fundamental VCO

S Output Binary Buffers/Dividers for Extended

Frequency Range

ꢀ 1/2/4/8/16/32/64/128

ꢀ 23.5MHz to 6000MHz

S High-Performance PFD

The ultra-wide frequency range is achieved with the

help of multiple integrated VCOs covering 3000MHz to

6000MHz, and output dividers ranging from 1 to 128.

The device also provides dual differential output drivers,

which can be independently programmable to deliver

-4dBm to +5dBm output power. Both outputs can be

muted by either software or hardware control.

The MAX2870 is controlled by a 3-wire serial interface and

is compatible with 1.8V control logic. The device is available

in a lead-free, RoHS-compliant, 5mm x 5mm, 32-pin TQFN

package, and operates over an extended -40NC to +85NC

temperature range.

ꢀ 105MHz in Integer-N Mode

ꢀ 50MHz in Fractional-N Mode

S Reference Frequency Up to 200MHz

S Operates from +3.0V to +3.6V Supply

S Dual Programmable Outputs

ꢀ -4dBm to +5dBm

S Analog and Digital Lock Detect Indicators

S Hardware and Software Shutdown Control

S Compatible with 1.8V Control Logic

Applications

Ordering Information appears at end of data sheet.

Wireless Infrastructure

Test and Measurement

Satellite Communications

Wireless LANs/CATV

Military and Aerospace

PMAR/LMAR/Public

Safety Radio

Typical Application Circuit appears at end of data sheet.

For related parts and recommended products to use with this part,

refer to www.maxim-ic.com/MAX2870.related.

Clock Generation

Functional Diagram

MUX_OUT

MUX

MAX2870

LOCK DETECT

CP_OUT

CHARGE

PUMP

MUX

R COUNTER

DIVIDE-BY-2

MUX

REF_IN

CP_GND

CLK

DATA

TUNE

SPI AND

REGISTERS

VCO

INTEGER

FRAC

MODULUS

RFOUTA_P

DIV-BY-

1/2/4/8/16

DIV-BY-

1/2/4/8

RFOUTA_N

RFOUT_EN

MAIN

MODULATOR

RFOUTB_P

RFOUTB_N

MUX

N COUNTER

MUX

�� 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 7...24

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MAX2870ETJ+ 替代型号

型号	品牌	替代类型	描述	数据表
HMC833LP6GE	ADI	功能相似	Fractional-N PLL with Integrated VCO, 25 - 6000 MHz

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