Datasheet > MAX2373

MAX2373

更新时间： 2024-11-20 14:57:59

品牌	Logo	应用领域
亚德诺 - ADI		衰减器
页数	文件大小	规格书
10页	147K
描述
LNA，带有步进衰减器及VGA

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中文翻译

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数据手册

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MAX2373 数据手册

19-2301; Rev 1; 10/06

LNAs with Step Attenuator and VGA

General Description

Features

The MAX2371/MAX2373 wideband low-noise amplifier

(LNA) ICs are designed for direct conversion receiver

(DCR) or very low intermediate frequency (VLIF) receiver

applications. They contain single-channel, single-ended

LNAs with switchable attenuator and automatic gain con-

trol (AGC) intended as a low-noise gain stage. These

devices provide high gain-control range (typically 60dB)

at radio frequency (RF) with excellent noise and reverse

isolation characteristics.

♦ Low Noise Figure (1.8dB typical)

♦ High Small-Signal Gain (15dB Nominal)

♦ Wide Frequency Range of Operation

(100MHz to 1GHz)

♦ 20dB Step Attenuator

♦ 45dB AGC Range Excluding Step Attenuator

♦ 2.65V to 3.3V Single-Supply Operation

♦ Shutdown Mode

The MAX2371/MAX2373 can work over the frequency

range from 100MHz to 1GHz. In practice, only a narrow

band is needed in each application, so different matching

circuits can be applied. The devices are dynamically con-

figured through the digital/analog control pins to select

either maximum gain and low noise figure or power-saving

mode. In addition, the MAX2371/MAX2373 feature

high/low-current modes, high/low attenuation modes, lin-

early controlled gain states, and shutdown mode.

♦ 3.5mA Supply Current, Adjustable Down to 2.5mA

♦ 40dB Reverse Isolation

Ordering Information

PIN-

PACKAGE

PKG

CODE

PART

TEMP RANGE

Applications

Direct Conversion Receiver (DCR)

MAX2371EGC -40°C to +85°C 12 QFN-EP*

MAX2371ETC -40°C to +85°C 12 TQFN-EP*

G1233-1

T1233-3

T1233+3

G1233-1

T1233-3

T1233+3

MAX2371ETC+ -40°C to +85°C 12 TQFN-EP*

Very Low IF Receiver

MAX2373EGC -40°C to +85°C 12 QFN-EP*

MAX2373ETC

-40°C to +85°C 12 TQFN-EP*

MAX2373ETC+ -40°C to +85°C 12 TQFN-EP*

*EP = Exposed pad.

+Denotes lead-free package.

Pin Configuration

Functional Diagram

TOP VIEW

RSET

GND

RF_V

GND RF_V

RSET

AGC_BYP

LNA_V

LNA_IN

MAX2371

MAX2373

LNA_IN

LNA_E

RX_EN

AGC_BYP

AGC

AMP

LNA

LNA_OUT

ATTENUATOR

LNA_E

RX_EN

LNA_V

MAX2371

MAX2373

LNA_OUT

EXPONENTIAL

CONVERTER

RF_ATTN

AGC

LNA_I

RF_ATTN AGC LNA_I

QFN/TQFN

________________________________________________________________ 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...10

中文翻译

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与MAX2373相关器件

型号	品牌	获取价格	描述	数据表
MAX2373EGC	MAXIM	获取价格	LNAs with Step Attenuator and VGA
MAX2373EGC+	MAXIM	获取价格	Narrow Band Low Power Amplifier, 850MHz Min, 940MHz Max, 1 Func, 3 X 3 MM, 0.90 MM HEIGHT,
MAX2373EGC+T	MAXIM	获取价格	Narrow Band Low Power Amplifier, 850MHz Min, 940MHz Max, 1 Func, 3 X 3 MM, 0.90 MM HEIGHT,
MAX2373ETC	MAXIM	获取价格	LNAs with Step Attenuator and VGA
MAX2373ETC+	MAXIM	获取价格	LNAs with Step Attenuator and VGA
MAX2373ETC+T	MAXIM	获取价格	暂无描述
MAX2373EVKIT	MAXIM	获取价格	Evaluation Kits for the MAX2371/MAX2373
MAX2374	MAXIM	获取价格	SiGe, Variable IIP3, Low-Noise Amplifier in UCSP Package
MAX2374_1	MAXIM	获取价格	Evaluation Kit
MAX2374EBT	MAXIM	获取价格	SiGe, Variable IIP3, Low-Noise Amplifier in UCSP Package

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