Datasheet > MAX2871

MAX2871

更新时间： 2024-11-20 14:58:11

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
30页	1151K
描述
23.5MHz至6000MHz小数/整数N分频频率合成器/VCO

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中文翻译

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数据手册

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MAX2871 数据手册

EVALUATION KIT AVAILABLE

MAX2871

23.5MHz to 6000MHz Fractional/

Integer-N Synthesizer/VCO

General Description

Beneﬁts and Features

● Output Binary Buffers/Dividers Enable Extended

TheMAX2871isanultra-widebandphase-lockedloop(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 MAX2871 is a high-performance frequency

synthesizer capable of synthesizing frequencies from

23.5MHz to 6.0GHz while maintaining superior phase

noise and spurious performance.

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 programmed to deliver -1dBm to

+8dBm differential output power. Both outputs can be

muted by either software or hardware control.

Frequency Range

•

Divider Ratios of 1/2/4/8/16/32/64/128

•

23.5MHz to 6000MHz

● High-Performance Phase Frequency Detector (PFD)

and Reference Frequency Reduces Spectral Noise

•

PFD Up to 140MHz

•

Reference Frequency Up to 210MHz

● Low Normalized Inband Phase Noise of -230dBc/Hz

Reduces System Noise Floor Contribution

● Manual/Automatic VCO Selection Permits Fast

Switching

● Output Phase Reset and Adjustment Allow

The MAX2871 is controlled by a 4-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 -40°C to +85°C

temperature range.

Synchronization of Multiple Synthesizers

● On-Chip Temperature Sensor with 7-Bit ADC Ensures

Optimum VCO Selection

● Cycle Slip Reduction and Fast Lock Features

Improve Accuracy and Acquisition Time

The MAX2871 has an improved feature set and better overall

phase noise and is fully pin and software-compatible with the

MAX2870.

● VCO Lock Maintained Over Entire Temperature

Range Provides Glitch-Free Operation

● Dual Differential Programmable Outputs Maximize

Applications

● Wireless Infrastructure

Flexibility of Use

● Clock Generation

● Test and Measurement ● Microwave Radios

Ordering Information and “Typical Application Circuit”

appears at end of data sheet.

Functional Diagram

MUX

MAX2871

LOCK DETECT

CP_OUT

CHARGE

PUMP

MUX

R COUNTER

DIVIDE-BY-2

MUX

REF_IN

GND_CP

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

19-7106; Rev 4; 6/20

12 3 4 5 6 7...30

中文翻译

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与MAX2871相关器件

型号	品牌	获取价格	描述	数据表
MAX2880	MAXIM	获取价格	Cycle Slip Reduction and Fast Lock
MAX2880	ADI	获取价格	250MHz - 12.4GHz、高性能、分数/整数型N分频PLL
MAX2880ETP	MAXIM	获取价格	Cycle Slip Reduction and Fast Lock
MAX2880ETP+	MAXIM	获取价格	Phase Locked Loop,
MAX2880EUE	MAXIM	获取价格	Cycle Slip Reduction and Fast Lock
MAX2900	MAXIM	获取价格	200mW Single-Chip Transmitter ICs for 868MHz/915MHz ISM Bands
MAX2900	ADI	获取价格	200mW、单片发送器IC，用于868MHz/915MHz ISM频段
MAX2900_07	MAXIM	获取价格	200mW Single-Chip Transmitter ICs for 868MHz/915MHz ISM Bands
MAX2900EGI	MAXIM	获取价格	200mW Single-Chip Transmitter ICs for 868MHz/915MHz ISM Bands
MAX2900EGI-BOW	MAXIM	获取价格	RF and Baseband Circuit

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