MAX19790ETX+ Maxim Integrated Products, MAX19790ETX+ Datasheet

MAX19790ETX+

Manufacturer Part Number

MAX19790ETX+

Description

Active Attenuator 250MHz to 4000MHz Du al, Analog Voltage V

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX19790ETX.pdf (11 pages)

Specifications of MAX19790ETX+

Mounting Style

SMD/SMT

Package / Case

QFN-36

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Current page: 1 of 11
Download datasheet (2Mb)

19-5165; Rev 0; 3/10

The MAX19790 dual, general-purpose analog voltage

variable attenuator (VVA) is designed to interface with

50I systems operating in the 250MHz to 4000MHz fre-

quency range. Each attenuator includes a control circuit

that provides 22dB of attenuation range with a linear

control slope of 10dB/V.

Both attenuators share a common analog control and

can be cascaded together to yield 44dB of total dynamic

range, with a combined linear control slope of 20dB/V.

The IC is a monolithic device designed on one of Maxim’s

proprietary SiGe BiCMOS processes. The device oper-

ates from a single +5.0V supply and is available in a com-

pact, 36-pin thin QFN package (6mm x 6mm x 0.8mm)

with an exposed pad. Electrical performance is guaran-

teed over the extended -40° to +85°C temperature range.

WiMAX is a trademark of WiMAX Forum.

cdma2000 is a registered trademark of Telecommunications

Industry Association.

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.

Broadband System Applications, Including

Wireless Infrastructure Digital and Spread-

Spectrum Communication Systems

WCDMA/LTE, TD-SCDMA/TD-LTE, WiMAX™,

cdma2000

Stations

VSAT/Satellite Modems

Microwave Terrestrial Links

Lineup Gain Trim

Temperature Compensation Circuits

Automatic Level Control (ALC)

Transmitter Gain Control

Receiver Gain Control

General Test Equipment

_______________________________________________________________ Maxim Integrated Products 1

, GSM/EDGE, and MMDS Base

General Description

Analog Voltage Variable Attenuator

Applications

250MHz to 4000MHz Dual,

S 250MHz to 4000MHz RF Frequency Range

S Integrates Two Analog Attenuators in One

S Flexible Attenuation-Control Ranges

S 2.4dB 1500MHz Insertion Loss (per Attenuator)

S Linear dB/V Analog Control Response Curve

S Excellent Attenuation Flatness Over Wide

S Low 7.3mA Supply Current

S Single +5.0V Supply Voltage

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

*EP = Exposed pad.

T = Tape and reel.

MAX19790ETX+

MAX19790ETX+T

Monolithic Device

Simplifies Automatic Leveling Control and

Gain-Trim Algorithms

Frequency Ranges and Attenuation Settings

22dB (per Attenuator)

44dB (Both Attenuators Cascaded)

PART

-40NC to +85NC

TEMP RANGE

Ordering Information

PIN-PACKAGE

36 Thin QFN-EP*

Features

Related parts for MAX19790ETX+

MAX19790ETX+ Summary of contents

Page 1

... Gain-Trim Algorithms S Excellent Attenuation Flatness Over Wide Frequency Ranges and Attenuation Settings S Low 7.3mA Supply Current S Single +5.0V Supply Voltage Applications PART MAX19790ETX+ MAX19790ETX+T +Denotes a lead(Pb)-free/RoHS-compliant package. *EP = Exposed pad Tape and reel. Features Ordering Information TEMP RANGE PIN-PACKAGE -40NC to +85NC ...

Page 2

Dual, Analog Voltage Variable Attenuator ABSOLuTE MAxIMuM RATINGS V to GND ..........................................................-0.3V to +5.5V CC CTRL to GND (with V = +5.0V applied) ............ 0V to +4.75V CC All Other Pins to GND .............................. -0. ...

Page 3

Analog Voltage Variable Attenuator AC ELECTRICAL CHARACTERISTICS (MAX19790 Evaluation Kit, line and connector losses included, two attenuators in cascade, V driven from 50I sources, input P = -10dBm for T = +25° +5.0V, input P C ...

Page 4

Dual, Analog Voltage Variable Attenuator (MAX19790 Evaluation Kit, two attenuators in cascade, V SUPPLY CURRENT vs 8 +85° +25°C 7 -40°C C 6.5 4.750 4.875 5.000 ...

Page 5

Analog Voltage Variable Attenuator (MAX19790 Evaluation Kit, two attenuators in cascade, V INPUT IP3 vs +85° +25° CTRL INPUT IP2 vs. V ...

Page 6

Dual, Analog Voltage Variable Attenuator (MAX19790 Evaluation Kit, one attenuator connected, V SUPPLY CURRENT vs 8 +85° +25°C C 7.5 7 -40°C C 6.5 4.750 4.875 5.000 5.125 ...

Page 7

Analog Voltage Variable Attenuator (MAX19790 Evaluation Kit, one attenuator connected, V INPUT IP3 vs -40° +85° CTRL INPUT IP2 vs. V 100 ...

Page 8

Dual, Analog Voltage Variable Attenuator PIN NAME 10, 12, 14–28, 30, 31, GND Ground. Connect to the board’s ground plane using low-inductance layout techniques. 33, 34, 36 Attenuator A Output. Internally ...

Page 9

... Murata GRM1555C1H220J 10I Q5% resistors (0402) R1 Any 0I resistors (0402) Note: In cases where V R3 applied before or removed after V CC Analog attenuator IC Maxim MAX19790ETX+ Note: U1 has an exposed pad U1 1 conductor, which requires solder-attached to a grounded pad on the PCB to ensure a proper electrical/thermal design. is not Layout Considerations ...

Page 10

Dual, Analog Voltage Variable Attenuator Exposed Pad RF and Thermal The exposed pad (EP) of the device’s 36-pin thin QFN package provides a low thermal-resistance path to the die important that the PCB on which ...

Page 11

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 2010 Maxim Integrated Products © ...

Related keywords

MAX19790ETX+ datasheet
MAX19790ETX+ data sheet
MAX19790ETX+ pdf datasheet
MAX19790ETX+ component
MAX19790ETX+ part
MAX19790ETX+ distributor
MAX19790ETX+ RoHS
MAX19790ETX+ datasheet download