MAX9986AETP+T【PDF 1/12 页】IC MIXER DOWN CONV 20-TQFN

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Sheet目录475

[1页]2页 3页 4页 5页

ATION

ILABLE

19-3906; Rev 0; 1/06

EVALU

AVA

KIT

SiGe High-Linearity, 815MHz to 1000MHz

Downconversion Mixer with LO Buffer/Switch

General Description

The MAX9986A high-linearity downconversion mixer

provides 8.2dB gain, +25dBm IIP3, and 10dB NF for

815MHz to 1000MHz base-station receiver applica-

tions. With a 960MHz to 1180MHz LO frequency range,

this particular mixer is ideal for high-side LO injection

receiver architectures. Low-side LO injection is sup-

ported by the MAX9984, which is pin-for-pin and func-

tionally compatible with the MAX9986A.

In addition to offering excellent linearity and noise perfor-

mance, the MAX9986A also yields a high level of compo-

nent integration. This device includes a double-balanced

passive mixer core, an IF amplifier, a dual-input LO selec-

table switch, and an LO buffer. On-chip baluns are also

integrated to allow for single-ended RF and LO inputs.

The MAX9986A requires a nominal LO drive of 0dBm,

and supply current is guaranteed to be below 250mA.

The MAX9986A is a derivative version of the MAX9986

with improved large-signal blocking performance. The

MAX9984/MAX9986/MAX9986A are pin compatible with

the MAX9994/MAX9996 1700MHz to 3000MHz mixers,

making this entire family of downconverters ideal for

applications where a common PC board layout is used

for both frequency bands. The MAX9986A is also func-

tionally compatible with the MAX9993.

The MAX9986A is available in a compact, 20-pin, thin

QFN package (5mm x 5mm) with an exposed paddle.

Electrical performance is guaranteed over the extended

-40°C to +85°C temperature range.

Applications

Features

o 815MHz to 1000MHz RF Frequency Range

o 960MHz to 1180MHz LO Frequency Range

(MAX9986A/MAX9986)

o 570MHz to 850MHz LO Frequency Range

(MAX9984)

o 50MHz to 250MHz IF Frequency Range

o 8.2dB Conversion Gain

o +25dBm Input IP3

o +14.8dBm Input 1dB Compression Point

o 10dB Noise Figure

o 69dBc 2LO - 2RF Spurious Rejection at

P RF = -10dBm

o Integrated LO Buffer

o Integrated RF and LO Baluns for Single-Ended

Inputs

o Low -3dBm to +3dBm LO Drive

o Built-In SPDT LO Switch with 49dB LO1 to LO2

Isolation and 50ns Switching Time

o Pin Compatible with MAX9994/MAX9996 1700MHz

to 3000MHz Mixers

o Functionally Compatible with MAX9993

o External Current-Setting Resistors Provide Option

for Operating Mixer in Reduced Power/Reduced

Performance Mode

o Lead-Free Package Available

Ordering Information

850MHz WCDMA Base Stations

GSM 850/GSM 900 2G and 2.5G EDGE Base

PART

TEMP RANGE PIN-PACKAGE

PKG

CODE

Stations

cdmaOne? and cdma2000 ? Base Stations

MAX9986AETP

-40 ° C to +85 ° C

20 Thin QFN-EP*

5mm × 5mm

T2055-3

iDEN ? Base Stations

Predistortion Receivers

MAX9986AETP-T -40 ° C to +85 ° C

20 Thin QFN-EP*

5mm × 5mm

T2055-3

Fixed Broadband Wireless Access

Wireless Local Loops

MAX9986AETP+

-40 ° C to +85 ° C

20 Thin QFN-EP*

5mm × 5mm

T2055-3

Private Mobile Radios

Military Systems

Microwave Links

Digital and Spread-Spectrum Communication

MAX9986AETP+T -40 ° C to +85 ° C

* EP = Exposed paddle.

+ = Lead free.

T = Tape-and-reel.

20 Thin QFN-EP*

5mm × 5mm

T2055-3

Systems

cdma2000 is a registered trademark of the Telecommunications

Industry Association.

cdmaOne is a trademark of CDMA Development Group.

iDEN is a registered trademark of Motorola, Inc.

Pin Configuration/Functional Diagram and Typical

Application Circuit appear at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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