MAX19993ETX+【PDF 1/23 页】IC MIXER DOWNCONV 36TQFN

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19-5307; Rev 0; 6/10

Dual, SiGe, High-Linearity, 1200MHz to 1700MHz

Downconversion Mixer with LO Buffer/Switch

General Description

The MAX19993 dual-channel downconverter is designed

to provide 6.4dB of conversion gain, +27dBm input IP3,

15.4dBm 1dB input compression point, and a noise

figure of 9.8dB for 1200MHz to 1700MHz diversity

receiver applications. With an optimized LO frequency

range of 1000MHz to 1560MHz, this mixer is ideal

for low-side LO injection architectures. High-side LO

injection is supported by the MAX19993A, which is pin-

pin and functionally compatible with the MAX19993.

In addition to offering excellent linearity and noise

performance, the MAX19993 also yields a high level

of component integration. This device includes two

double-balanced passive mixer cores, two LO buffers, a

dual-input LO selectable switch, and a pair of differential

IF output amplifiers. Integrated on-chip baluns allow for

single-ended RF and LO inputs. The device requires a

nominal LO drive of 0dBm and a typical supply current of

337mA at V CC = +5.0V or 275mA at V CC = +3.3V.

The MAX19993 is pin compatible with the MAX9985/

MAX19985A/MAX9995/MAX19993A/MAX19994/

MAX19994A/MAX19995/MAX19995A series of 700MHz

to 2200MHz mixers and pin similar to the MAX19997A/

MAX19999 series of 1850MHz to 4000MHz mixers,

making this entire family of downconverters ideal for

applications where a common PCB layout is used across

multiple frequency bands.

The device is available in a 6mm x 6mm, 36-pin TQFN

package with an exposed pad. Electrical performance is

guaranteed over the extended temperature range, from

T C = -40 N C to +85 N C.

Features

S 1200MHz to 1700MHz RF Frequency Range

S 1000MHz to 1560MHz LO Frequency Range

S 50MHz to 500MHz IF Frequency Range

S 6.4dB Typical Conversion Gain

S 9.8dB Typical Noise Figure

S +27dBm Typical Input IP3

S 15.4dBm Typical Input 1dB Compression Point

S 72dBc Typical 2RF - 2LO Spurious Rejection at

P RF = -10dBm

S Dual Channels Ideal for Diversity Receiver

Applications

S 47dB Typical Channel-to-Channel Isolation

S Low -6dBm to +3dBm LO Drive

S Integrated LO Buffer

S Internal RF and LO Baluns for Single-Ended

Inputs

S Built-In SPDT LO Switch with 57dB LO-to-LO

Isolation and 50ns Switching Time

S Pin Compatible with the MAX9985/MAX19985A/

MAX9995/MAX19993A/MAX19994/MAX19994A/

MAX19995/MAX19995A Series of 700MHz to

2200MHz Mixers

S Pin Similar to the MAX19997A/MAX19999 Series

of 1850MHz to 4000MHz Mixers

S Single +5V or +3.3V Supply

S External Current-Setting Resistors Provide Option

WCDMA/LTE Base Stations

Applications

for Operating Device in Reduced-Power/Reduced-

Performance Mode

Wireless Local Loop

Fixed Broadband Wireless Access

Ordering Information

Private Mobile Radios

Military Systems

PART

MAX19993ETX+

MAX19993ETX+T

TEMP RANGE

-40 N C to +85 N C

PIN-PACKAGE

36 TQFN-EP*

+ Denotes a lead(Pb)-free/RoHS-compliant package.

* EP = Exposed pad.

T = Tape and reel.

_______________________________________________________________ Maxim Integrated Products 1

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

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