Datasheet > MAX2680

MAX2680

更新时间： 2023-12-20 18:44:15

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	2151K
描述
400MHz至2.5GHz、低噪声、SiGe下变频混频器

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MAX2680 数据手册

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MAX2680/MAX2681/

MAX2682

400MHz to 2.5GHz, Low-Noise,

SiGe Downconverter Mixers

General Description

Features

● 400MHz to 2.5GHz Operation

The MAX2680/MAX2681/MAX2682 miniature, low-cost,

low-noise downconverter mixers are designed for low-

voltage operation and are ideal for use in portable com-

munications equipment. Signals at the RF input port are

mixed with signals at the local oscillator (LO) port using

a double-balanced mixer. These downconverter mixers

operate with RF input frequencies between 400MHz and

2500MHz, and downconvert to IF output frequencies

between 10MHz and 500MHz.

● +2.7V to +5.5V Single-Supply Operation

● Low Noise Figure: 6.3dB at 900MHz (MAX2680)

● High Input Third-Order Intercept Point

(IIP3 at 2450MHz)

• -6.9dBm at 5.0mA (MAX2680)

• +1.0dBm at 8.7mA (MAX2681)

• +3.2dBm at 15.0mA (MAX2682)

● < 0.1μA Low-Power Shutdown Mode

The MAX2680/MAX2681/MAX2682 operate from a single

+2.7V to +5.5V supply, allowing them to be powered

directly from a 3-cell NiCd or a 1-cell Lithium battery.

These devices offer a wide range of supply currents and

input intercept (IIP3) levels to optimize system perfor-

mance. Additionally, each device features a low-power

shutdown mode in which it typically draws less than 0.1μA

of supply current. Consult the Selector Guide for various

combinations of IIP3 and supply current.

● Ultra-Small Surface-Mount Packaging

The MAX2680/MAX2681/MAX2682 are manufactured on

a high-frequency, low-noise, advanced silicon-germanium

process and are offered in the space-saving 6-pin SOT23

package.

Ordering Information

Applications

PIN-

SOT

● 400MHz/900MHz/2.4GHz ISM-Band Radios

● Personal Communications Systems (PCS)

● Cellular and Cordless Phones

● Wireless Local Loop

● IEEE-802.11 and Wireless Data

PART

TEMP RANGE

PACKAGE TOP MARK

MAX2680EUT-T -40°C to +85°C

MAX2681EUT-T -40°C to +85°C

MAX2682EUT-T -40°C to +85°C

6 SOT23

AAAR

AAAS

AAAT

Selector Guide

FREQUENCY

1950MHz

900MHz

2450MHz

PART

(mA)

IIP3

(dBm)

(dB)

GAIN

(dB)

IIP3

(dBm)

(dB)

GAIN

(dB)

IIP3

(dBm)

(dB)

GAIN

(dB)

MAX2680

MAX2681

MAX2682

5.0

8.7

-12.9

-6.1

6.3

7.0

6.5

11.6

14.2

14.7

-8.2

+0.5

+4.4

8.3

11.1

10.2

7.6

8.4

-6.9

+1.0

+3.2

11.7

12.7

13.4

7.0

7.7

7.9

15.0

-1.8

10.4

Typical Operating Circuit appears at end of data sheet.

19-4786; Rev 2; 8/03

12 3 4 5 6 7...12

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