MAX2309 Datasheet | Maxim Integrated

Description The MAX2306/MAX2308/MAX2309 are IF receivers designed for dual-band, dual-mode, and single-mode N-CDMA and W-CDMA cellular phone systems. The signal path consists of a variable-gain amplifier (VGA) and I/Q demodulator. The devices feature guaranteed +2.7V operation, a gain control range of over 110d B, and high input IP3 (-31d Bm at 35d B gain, 3.4d Bm at -35d B gain). Unlike similar devices, the MAX2306 family of receivers includes dual oscillators and synthesizers to form a self-contained IF subsystem. The synthesizer’s reference and RF dividers are fully programmable through a 3-wire serial bus, enabling dual-band system architectures using any mon reference and IF frequency. The differential baseband outputs have enough bandwidth to suit both N-CDMA and W-CDMA systems, and offer saturated output levels of 2.7Vp-p at a low +2.75V supply voltage. Including the low-noise voltage-controlled oscillator (VCO) and synthesizer, the MAX2306 draws only 26m A from a +2.75V supply in CDMA (differential IF) mode. The MAX2306/MAX2308/MAX2309 are available in 28pin Thin QFN and QFN packages. Applications Single/Dual/Triple-Mode CDMA Handsets Globalstar Dual-Mode Handsets Wireless Data Links W-CDMA Handsets Wireless Local Loop (WLL) Features - plete IF Subsystem Includes VCO and Synthesizer - Supports Dual-Band, Triple-Mode Operation - VGA with >110d B Gain Control - Quadrature Demodulator - High Output Level (2.7V) - Programmable Charge-Pump Current - Supports Any IF Frequency Between 40MHz and 300MHz - 3-Wire Programmable Interface - Low Supply Voltage (+2.7V) PART MAX2306EGI MAX2306ETI MAX2308EGI MAX2308ETI MAX2309EGI MAX2309ETI - Exposed paddle Ordering Information TEMP RANGE -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C -40°C to +85°C PIN-PACKAGE 28 QFN-EP- 28 TQFN-EP- 28 QFN-EP- 28 TQFN-EP- 28 QFN-EP- 28 TQFN-EP- Pin Configurations appear at end of data sheet. Block Diagram appears at end of data sheet. PART MAX2306 MAX2308...