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MAX2338

Maxim Integrated Products
Part Number MAX2338
Manufacturer Maxim Integrated Products
Description Triple/Dual-Mode CDMA LNA/Mixers
Published Oct 8, 2005
Detailed Description 19-1807; Rev 1; 3/01 KIT ATION EVALU LE B A IL A AV Triple/Dual-Mode CDMA LNA/Mixers Features o 1.4dB LNA Noise Figure...
Datasheet PDF File MAX2338 PDF File

MAX2338
MAX2338

Overview
19-1807; Rev 1; 3/01 KIT ATION EVALU LE B A IL A AV Triple/Dual-Mode CDMA LNA/Mixers Features o 1.
4dB LNA Noise Figure o 15dB LNA Gain o Mixer Noise Figure 7.
5dB (CDMA) 8.
7dB (AMPS) o Mixer Gain 14.
5dB PCS 13.
3dB Cellular 8.
8dB AMPS o LO Frequency Divider, Saves VCO Module o LO Output Buffers for TX o Ultra-Small 28-Pin Leadless Package General Description The MAX2338 receiver RF front-end IC is designed for dual-band CDMA cellular phones and can also be used in dual-band TDMA, GSM, or EDGE cellular phones.
Thanks to the MAX2338’s on-chip low-power LO divider, the cellular VCO module can be eliminated.
The MAX2338 includes a low-noise amplifier (LNA) with an adjustable high-input third-order intercept point (IIP3) to minimize intermodulation and cross-modulation in the presence of large interfering signals.
For cellular band operation, a low-gain LNA is available for higher cascaded IIP3 at lower current.
The CDMA mixers are designed for high linearity, low noise, and differential IF outputs.
The FM mixer is designed for lower current and single-ended output.
The MAX2338 triple-mode LNA/mixer includes an onchip LO frequency divider to allow the use of a single VCO for both bands.
This device is available in an ultrasmall 28-pin leadless QFN package.
MAX2338 Ordering Information ________________________Applications Dual-Band, Triple-Mode PCS/Cellular Phones Dual-Mode Cellular Phones PART MAX2338EGI TEMP RANGE -40°C to +85°C PIN-PACKAGE 28 QFN Pin Configuration/ Functional Diagram CLNAOUT CMIXIN 22 PMIXIN 23 TOP VIEW PLNAOUT Typical Operating Circuit appears at end of data sheet.
GND GND 25 28 27 26 RLNA 1 PLNAIN 2 GND 3 CLNAIN 4 BAND 5 LIN 6 GAIN 7 GND 24 21 RBIAS 20 IF+ 19 IF18 GND MAX2338 ÷2 17 BUFFEN 16 VCC 15 FMOUT 8 GND 9 LO/2 10 LOIN 11 GND 12 PLOOUT 13 CLOOUT 14 N.
C.
QFN ________________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim...


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