MAX2424

更新时间： 2024-09-26 22:55:27

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
14页	164K
描述
900MHz Image-Reject Receivers with Transmit Mixer

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MAX2424 数据手册

19-1350 Rev 2; 2/99

900MHz Image-Reject Receivers

with Transmit Mixer

/MAX426

________________General Description

____________________________Features

♦ Receive Mixer with 35dB Image Rejection

♦ Adjustable-Gain LNA

The MAX2424/MAX2426 highly integrated front-end ICs

provide the lowest cost solution for cordless and ISM-

band radios operating in the 900MHz band. Both devices

incorporate a receive image-reject mixer (to reduce filter

cost) as well as a versatile transmit mixer. The devices

operate from a +2.7V to +4.8V single power supply,

allowing direct connection to a 3-cell battery stack.

♦ Up to +2dBm Combined Receiver Input IP3

♦ 4dB Combined Receiver Noise Figure

♦ Optimized for Common Receiver IF Frequencies:

10.7MHz (MAX2424)

The receive path incorporates an adjustable-gain LNA

and an image-reject downconverter with 35dB image

suppression. These features yield excellent combined

downconverter noise figure (4dB) and high linearity with

an input third-order intercept point (IIP3) of up to +2dBm.

70MHz (MAX2426)

♦ PA Predriver Provides up to 0dBm

♦ Low Current Consumption: 23mA Receive

20mA Transmit

The transmitter consists of a double-balanced mixer and

a power amplifier (PA) predriver that produces up to

0dBm (in some applications serving as the final power

stage). It can be used in a variety of configurations,

including BPSK modulation, direct VCO modulation, and

transmitter upconversion. For devices featuring trans-

mit as well as receive image rejection, refer to the

MAX2420/MAX2421/MAX2422/MAX2460/MAX2463

data sheet.

9.5mA Oscillator

♦ 0.5µA Shutdown Mode

♦ Operates from Single +2.7V to +4.8V Supply

_______________Ordering Information

PART

TEMP. RANGE

-40°C to +85°C

PIN-PACKAGE

MAX2424EAI

MAX2426EAI

28 SSOP

The MAX2424/MAX2426 have an on-chip local oscillator

(LO), requiring only an external varactor-tuned LC tank

for operation. The integrated divide-by-64/65 dual-mod-

ulus prescaler can also be set to a direct mode, in which

it acts as an LO buffer amplifier. Four separate power-

down inputs can be used for system power manage-

ment, including a 0.5µA shutdown mode.

28 SSOP

___________________Pin Configuration

The MAX2424/MAX2426 come in a 28-pin SSOP pack-

age.

TOP VIEW

GND

________________________Applications

Cordless Phones

CAP1

RXOUT

GND

TANK

Wireless Telemetry

RXIN

MAX2424

MAX2426

Wireless Networks

Spread-Spectrum Communications

Two-Way Paging

GND

PREOUT

20 PREGND

TXOUT

MOD

18 DIV1

LNAGAIN 10

VCOON

TXIN

RXON

TXON

Functional Diagram appears at end of data sheet.

CAP2

SSOP

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

12 3 4 5 6 7...14

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与MAX2424相关器件

型号	品牌	获取价格	描述	数据表
MAX2424/2426	MAXIM	获取价格	900MHZ Image-Reject Receivers with Transmit Mixer
MAX2424/MAX2426	MAXIM	获取价格	900MHZ BPSK Image-Reject Receiver with Transmit Mixer
MAX2424EAI	MAXIM	获取价格	900MHz Image-Reject Receivers with Transmit Mixer
MAX2424EAI	ROCHESTER	获取价格	TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PDSO28, SSOP-28
MAX2424EAI+	ROCHESTER	获取价格	TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PDSO28, SSOP-28
MAX2424EAI+T	MAXIM	获取价格	RF and Baseband Circuit, PDSO28, SSOP-28
MAX2424EAI-T	MAXIM	获取价格	RF and Baseband Circuit, PDSO28, SSOP-28
MAX2426	MAXIM	获取价格	900MHz Image-Reject Receivers with Transmit Mixer
MAX2426EAI	MAXIM	获取价格	900MHz Image-Reject Receivers with Transmit Mixer
MAX2426EAI	ROCHESTER	获取价格	TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PDSO28, SSOP-28

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