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Active: In Production.

Data Sheet

FULL DATA SHEET (PDF, 176kB) Download   E-Mail

Description

The MAX2323/MAX2325 are low-noise amplifier (LNA) plus mixer ICs optimized for code-division multiple-access (CDMA) applications in both cellular and PCS bands. The MAX2323 addresses dual-band, triple-mode CDMA applications by providing switched signal paths for cellular FM, cellular CDMA, and PCS CDMA. The MAX2325 is a cellular-band dual-mode version. To optimize cellular-band dynamic range at minimum current, the MAX2323/MAX2325 implement four LNA states: high gain/high linearity, high gain/low linearity, midgain, and low gain. In high-gain/high-linearity mode, the adjustable high-intercept LNA minimizes desensitization in the presence of a large interfering signal. For the other gain states, the LNA current is reduced to improve standby time. The CDMA mixers are designed for high linearity, low noise, and differential IF outputs, while the FM mixer is designed for lower current and single-ended output. Each band is implemented with a separate mixer to optimize performance for the specific band. The MAX2323/MAX2325 can also be used in TDMA, EDGE, and W-CDMA phones.

Key Features		Applications/Uses
2.7V Operation Dual Band, Triple Mode Three LNA Gain Settings (Cellular) Two LNA Gain Settings (PCS) 18mA in Low-Gain Mode 19.5mA in Paging and Midgain Mode 26.5mA in High-Gain, High-Linearity Mode 16.5mA in FM Mode, High-Gain, Low-Linearity Mode 2.5dB (typ) Cascade Noise Figure Adjustable LNA IIP3, +5dBm to +13dBm Ultra-Small 28-Pin Package (5mm x 5mm)		Dual-Band, Triple-Mode PCS/Cellular Phones Dual-Mode Cellular Phones

Diagram

Typical Application Circuit Typical Application Circuit

Application Notes

Application Note 289: Triple/Dual/Single Mode CDMA LNA/Mixers Receiver System Requirements - MAX2323, MAX2323 Application Note 443: REP008: Dual-Band Front-End IC Tuned for CDMA, PCS, and AMPS at a Common 85MHz Low IF - MAX2323 Application Note 444: REP007: Cellular Front-End IC Drives IFR3100 IF Demodulator - MAX2323 Application Note 447: REP016: Dual-Band Front End for Japanese Cellular CDMA at 110MHz IF - MAX2325 Application Note 454: REP003: Cellular Front-End IC in Automobile Application - MAX2323 Application Note 457: REP018: Dual-Band Dual-Mode FE IC with Common 183.6MHz IF - MAX2323 Application Note 458: REP021: Front End for 2.5GHz GlobalStar +IS-95 - MAX2323 Application Note 459: REP020: Dual-Band Dual-Mode FE IC with Common 210MHz IF - MAX2323 Application Note 463: REP019: Tuned Dual-Band Front-End CDMA IC with Single 110MHz IF - MAX2323 Application Note 464: REP012: Cellular LNA Achieves +20dBm IIP3 in Low-Gain High-Linearity Mode - MAX2323 Application Note 697: Silicon Germanium (SiGe) Technology Enhances Radio Front-End Performance - MAX2323 Application Note 916: Optimize the MAX2338 Mixer IF SAW Filter Match at 183.6MHz for CDMA Application - MAX2323

Design Guides

Wireless (PDF)

Reliability Reports

Show FIT data for: MAX2323 MAX2325 Request Reliability Report for: MAX2323 MAX2325

Software/Models

none

Ordering Information

Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Devices: 1-7 of 7

MAX2323	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX2323EVKIT			Active	Land Pattern: Not Available		See data sheet
MAX2323EGI			Active	QFN;28 pin;26 mm² Outline Drawing: 21-0091 (PDF) Land Pattern: 90-0277 (PDF) Use pkgcode/variation: G2855-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX2323EGI-T			Active	Land Pattern: Not Available	-40°C to +85°C	See data sheet
MAX2323ETI+			Active	TQFN;28 pin;26 mm² Outline Drawing: 21-0140 (PDF) Land Pattern: 90-0027 (PDF) Use pkgcode/variation: T2855+7*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX2323ETI+T			Active	Land Pattern: Not Available	-40°C to +85°C	See data sheet
MAX2325	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX2325EGI			Active	QFN;28 pin;26 mm² Outline Drawing: 21-0091 (PDF) Land Pattern: 90-0277 (PDF) Use pkgcode/variation: G2855-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX2325EGI-T			Active	Land Pattern: Not Available	-40°C to +85°C	See data sheet

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New Product Press Release 2000-06-06

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