Datasheet > TQ5638

TQ5638

更新时间： 2024-09-19 08:37:27

品牌	Logo	应用领域
TRIQUINT		电信集成电路接收机
页数	文件大小	规格书
11页	248K
描述
2.8V SIGE DUALl-MODE CDMA Rx RECEIVER

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TQ5638 数据手册

TQ5638

WIRELESS COMMUNICATIONS DIVISION

PRELIMINARY DATA SHEET

2.8V SiGe Dual-Mode CDMA

Rx Receiver

Iset

PM_OUT+

PM_OUT-

MIX_GND

Logic Control

PLNA_IN

VDD_LNA

Features

KPCS-CDMA and GPS operation

Excellent Cross Modulation Performance

Low current consumption

TQ5638

Vdd_MIX

GLNA_IN

GM_OUT+

GPS_GND

9.0 dBm PCS LNA IIP3

11.0 dBm PCS Mixer IIP3

GM_OUT-

VDD_LO

Excellent Noise and Gain performance

Adjustable third order intercept on LNA

stage

Flexible IF frequency range from 80 – 230

MHz

Product Description:

TX LO Buffer included

Small 4x4 Package

The TQ5638 is a CDMA Rx Receiver designed for KPCS-Band, Dual-Mode operation.

The device supports KPCS CDMA and GPS. The IF range is from 80 MHz to 230MHz

with external tuning. The Low Noise Amplifiers have an adjustable third order intercept

(IP3) to minimize inter-modulation and cross-modulation effects. The mixers are

designed for differential IF outputs (single-ended or differential IF for GPS modes), and

they feature excellent linearity and low noise figure.

Full ESD Protection

Few external components

System Advantage

Most compact integrated receiver for KPCS

CDMA and A-GPS applications

This device is available in a 4X4 mm MLF package with 24 pins. The TQ5638 front-

end receiver is capable of meeting all electrical requirements in accordance with the

TIA/EIA 98-C Wireless Communication standard.

IS-98 IMD requirements met with 2 gain

states simplifying calibration procedures

Selected Cascade Electrical Specifications:

High mixer linearity eliminates potential call

drop issues associated with gain switching

Operating Mode (Cascade)

Cascade Cascade Cascade Current

Enhanced PCS linearity enables use of

FBAR or SAW PCS duplexers

Gain

(dB)

IP3

(dBm)

(mA)

PCS-Band, High-Gain, High Linearity

A-GPS

2.2

1.7

-2.0

Best I in class A-GPS cascade gain for

maximum takeover

-17.5

Note 1:

Test Conditions CDMA Mode: V_CC=2.75VDC, Tc=25°C, IS-95/98 Modulation, Data includes the

Applications

following image reject filters (PCS – SAWTEK P/N 856080, GPS – SAWTEK P/N 856135)

KPCS band/A-GPS CDMA (IS-95/98) based

mobile phones

Package Pin-out:

For additional information and latest specifications, see our website: www.triquint.com

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