MAX2150

更新时间： 2024-09-27 22:55:27

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描述
Wideband I/Q Modulator with Sigma-Delta Fractional-N Synthesizer

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MAX2150 数据手册

19-2389; Rev 1; 8/03

Wideband I/Q Modulator with Sigma-Delta

Fractional-N Synthesizer

General Description

Features

The MAX2150 is a complete wideband direct upconver-

sion quadrature modulator IC incorporating a 28-bit

sigma-delta fractional-N synthesizer. The device is tar-

geted for applications in the 700MHz to 2300MHz fre-

quency range.

ꢀ Single Voltage Supply (2.7V to 3.6V)

ꢀ 75MHz 3dB I/Q Input Bandwidth

ꢀ Wideband 50Ω RF Output: 700MHz to 2300MHz

ꢀ Ultra-Fine Frequency Resolution: 100mHz

The super-high-resolution sigma-delta fractional-N syn-

thesizer is capable of better than 50mHz resolution

when used with a 10MHz reference. Other features:

fully differential I/Q modulation inputs, an internal LO

buffer, and a 50Ω wideband output driver amplifier.

ꢀ High Reference Frequency for Fast-Switching

Applications

ꢀ Ultra-Low Phase Noise

ꢀ Low Spurious and Reference Emissions

ꢀ -1dBm RMS Output Power

A standard 3-wire interface is provided for synthesizer

programming and overall device configuration. An on-

chip low-noise crystal oscillator amplifier is also includ-

ed and can be configured as a buffer when an external

reference oscillator is used.

ꢀ 60dB RF Muting Control

ꢀ 34dBc Typical Carrier Suppression

ꢀ 34dBc Typical Sideband Suppression

The device typically achieves 34dBc of carrier and side-

band suppression at a -1dBm output level. The wide-

band, internally matched RF output can also

be disabled while the synthesizer and 3-wire bus remain

powered up for continuous programming.

ꢀ Software- and Hardware-Controlled Shutdown

Modes

The device consumes 72mA from a single +3.0V sup-

ply and is packaged in an ultra-compact 28-pin QFN

Ordering Information

package (5mm 5mm) with an exposed pad.

PART

TEMP RANGE

PIN-PACKAGE

MAX2150ETI

-40°C to +85°C

28 Thin QFN-EP*

Applications

*EP = exposed pad.

Wireless Broadband

Satellite Uplink

LMDS

Pin Configuration/

Functional Diagram

Wireless Base Station

VCC_RF I+

I-

Q+

Q-

BUFEN BUFOUT

23 22

LO+

LO-

TXEN

VCC_PA

VCC_LO

RFOUT

N.C.

18 VCC_D

N.C.

LOCK

1/N

VCC_A

CHP

MAX2150

∑ ∆ – MOD

PFD CHP

1/R

PROGRAMMING

AND CONTROL

VCC_SD

15 VCC_CHP

CLK DATA

SHDN SYNEN OSCIN VCC_XTAL

QFN

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...16

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与MAX2150相关器件

型号	品牌	获取价格	描述	数据表
MAX2150_06	MAXIM	获取价格	Wideband I/Q Modulator with Sigma-Delta Fractional-N Synthesizer
MAX2150_1	MAXIM	获取价格	Evaluation Kit
MAX2150ETH	MAXIM	获取价格	RF and Baseband Circuit, 5 X 5 MM, 0.90 MM HEIGHT, QFN-28
MAX2150ETH+	MAXIM	获取价格	暂无描述
MAX2150ETI	MAXIM	获取价格	Wideband I/Q Modulator with Sigma-Delta Fractional-N Synthesizer
MAX2150ETI+	MAXIM	获取价格	Wideband I/Q Modulator with Sigma-Delta Fractional-N Synthesizer
MAX2150ETI-T	MAXIM	获取价格	RF and Baseband Circuit, 5 X 5 MM, 0.90 MM HEIGHT, QFN-28
MAX2150EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX2150
MAX216	MAXIM	获取价格	Low-Power AppleTalk Interface Transceiver
MAX216	ADI	获取价格	低功耗、AppleTalk?接口收发器

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