MAX2681EUT+T

MAXIM INTEGRATED PRODUCTS  MAX2681EUT+T  芯片, 射频混频器/多路复用器

The is a 400MHz to 2.5GHz, low noise, SiGe silicon-germanium downconverter mixer in 6 pin SOT-23 package. This miniature, low cost double balanced downconverter mixer is designed for low voltage operation. Signals at RF input port are mixed with signals at local oscillator LO port using double balanced mixer. It operates with RF input frequencies from 400MHz to 2500MHz and downconvert to IF output frequencies between 10MHz and 500MHz. The MAX2681 operates from single 2.7V to 5.5V supply which allows the device to be powered directly from 3-cell NiCd or 1-cell lithium battery. The device offers a wide range of supply currents and input intercept IIP3 levels to optimize system performance. The MAX2681 is manufactured on a high frequency, low noise, advanced silicon-germanium process. It is used in 400MHz/900MHz/2.4GHz ISM band radios, personal communications systems PCS, wireless local loops and IEEE-802.11 applications.

.

Operating supply current of 8.7mA

.

Operating temperature range from -40°C to 85°C

.

Less than 0.1µA low power shutdown mode

.

Noise figure single sideband of 12.7dB at fRF = 2450MHz, fLO = 2210MHz, fIF = 240MHz

.

Conversion power gain is 7.7dB at fRF = 2450MHz, fLO = 2210MHz, fIF = 240MHz

.

Gain variation over temperature is 1.7dB at fRF = 1950MHz, fLO = 1880MHz, fIF = 70MHz

.

Input third order intercept point is +1dBm at fRF = 2450MHz, 2451MHz, fLO = 2210MHz, fIF = 240MHz

.

Ultra small surface mount package