Datasheet > MAX2389

MAX2389

更新时间： 2024-11-18 23:45:59

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描述
W-CDMA LNA/Mixer ICs

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MAX2389 数据手册

19-1834; Rev 1; 5/01

W-CDMA LNA/Mixer ICs

General Description

Features

The MAX2387/MAX2388/MAX2389 low-noise amplifier

(LNA), downconverter mixers designed for W-CDMA

applications, are ideal for ARIB (Japan) and ETSI-

UMTS (Europe) based systems. The MAX2387/

MAX2388/MAX2389 feature ultra-low current consump-

tion and exceptionally low noise figures in ultra-small

packages.

ꢀ Ultra-Low Current Consumption: 10.7mA

(MAX2387), 9.9mA (MAX2388), and 7.9mA

(MAX2389)

ꢀ +2.7V to +3.3V Single-Supply Operation

ꢀ Mixer NF: 7dB SSB

The MAX2387/MAX2388 include an LNA, a downcon-

verter mixer, and a local-oscillator (LO) buffer. The

MAX2389 has an LNA and mixer, but minimizes current

consumption by omitting the LO buffer. For all devices,

the LNA and downconverter mixers are optimized for

the 2110MHz to 2170MHz band. All devices feature a

high-gain mode and a low-gain mode of LNA operation.

The MAX2387 has a 32dB gain step, and the

MAX2388/MAX2389 have an 18dB gain step. All ICs

include a shutdown mode, powering down the IC dur-

ing the front-end receiver’s idle periods.

ꢀ Cascaded Noise Figure: 2.3dB

ꢀ LNA Low-Gain Mode: 32dB Gain Step (MAX2387)

or 18dB Gain Step (MAX2388/MAX2389)

ꢀ Mixer IIP3: 6dBm

ꢀ < 1µA Shutdown Current

ꢀ Ultra-Small (3mm 3mm) 12-Pin QFN Package

The mixer 3rd-order nonlinearity performance is set

using an external biasing resistor. For the MAX2387/

MAX2388, mixer performance is optimized for a

-10dBm typical drive at the LO buffer input port. The

MAX2389 mixer performance is optimized for a

-4dBm typical drive at the LO input port. The LO port

for all versions is configurable for either single-ended or

differential operation.

Ordering Information

PART

TEMP. RANGE

-40 C to +85 C

PIN-PACKAGE

12 QFN

MAX2387EGC

MAX2388EGC

MAX2389EGC

12 QFN

These devices operate from a +2.7V to +3.3V single sup-

12 QFN

ply and are available in ultra-small (3mm 3mm) 12-pin

leadless packages (QFN).

________________________Applications

Japanese 3rd-Generation W-CDMA Cellular

Phones

Dual-Mode W-CDMA/GSM Cellular Phones

Pin Descriptions/Functional Diagrams

BIAS

GND LNA_IN

BIAS

GND LNA_IN

TOP VIEW

LNA_OUT

MAX2387/MAX2388

MAX2389

LNA_OUT

BIAS

GAIN

IF+

IF-

IF+

IF-

MIX_IN

LO+

LO-

LO+

LO-

SHDN

________________________________________________________________ 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...11

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与MAX2389相关器件

型号	品牌	获取价格	描述	数据表
MAX2389EGC	ROCHESTER	获取价格	TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, QCC12, 3 X 3 MM, 0.90 MM HEIGHT, QFN-12
MAX2389EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX2387/MAX2388/MAX2389
MAX238C	MAXIM	获取价格	+5V-Powered, Multichannel RS-232 Drivers/Receivers
MAX238C/D	MAXIM	获取价格	Transceiver
MAX238CEG	MAXIM	获取价格	Transceiver
MAX238CNG	MAXIM	获取价格	+5V-Powered, Multichannel RS-232 Drivers/Receivers
MAX238CNG+	MAXIM	获取价格	Line Transceiver, 4 Func, 4 Driver, 4 Rcvr, CMOS, PDIP24, ROHS COMPLIANT, PLASTIC, DIP-24
MAX238CNG+T	MAXIM	获取价格	Line Transceiver, 4 Func, 4 Driver, 4 Rcvr, CMOS, PDIP24, PLASTIC, DIP-24
MAX238CNG-T	MAXIM	获取价格	Line Transceiver, 4 Func, 4 Driver, 4 Rcvr, CMOS, PDIP24, PLASTIC, DIP-24
MAX238CWG	MAXIM	获取价格	+5V-Powered, Multichannel RS-232 Drivers/Receivers

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