MAX2057ETX+ Maxim Integrated Products, MAX2057ETX+ Datasheet

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MAX2057ETX+

Manufacturer Part Number
MAX2057ETX+
Description
RF Mixer IC AMP VARIABLE GAIN ariable-Gain Amplifi
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX2057EVKIT.pdf (13 pages)

Specifications of MAX2057ETX+

Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX2057 general-purpose, high-performance vari-
able-gain amplifier (VGA) is designed to operate in the
1300MHz to 2700MHz frequency range*. This device
features 15.5dB of gain, 6dB of noise figure, and an out-
put 1dB compression point of 23.8dBm. The MAX2057
also provides an exceptionally high OIP3 level of
37dBm, which is maintained over the entire attenuation
range. In addition, the on-chip analog attenuators yield
infinite control and high attenuation accuracy over
selectable 21dB or 42dB control ranges. Each of these
features makes the MAX2057 an ideal VGA for
DCS/PCS, cdma2000™, W-CDMA, and PHS/PAS trans-
mitter and power amplifier AGC circuits.
The MAX2057 is pin compatible with the MAX2056
800MHz to 1000MHz VGA, making this family of ampli-
fiers ideal for applications where a common PC board
layout is used for both frequency bands.
The MAX2057 operates from a single +5V supply and is
available in a compact 36-pin thin QFN package (6mm
x 6mm x 0.8mm) with an exposed pad. Electrical per-
formance is guaranteed over the extended -40°C to
+85°C temperature range.
cdmaOne is a trademark of CDMA Development Group.
cdma2000 is a registered trademark of Telecommunications
Industry Association.
19-3510; Rev 1; 12/10
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.
DCS 1800/PCS 1900 2G and 2.5G EDGE Base-
Station Transmitters and Power Amplifiers
cdmaOne™, cdma2000, Base-Station
Transmitters and Power Amplifiers
WCDMA, LTE, TD-SCDMA, and TD-LTE
Transmitters and Power Amplifiers
PHS/PAS Base-Station Transmitters and Power
Amplifiers
Transmitter Gain Control
Receiver Gain Control
Broadband Systems
Automatic Test Equipment
Digital and Spread-Spectrum Communication
Systems
Microwave Terrestrial Links
________________________________________________________________ Maxim Integrated Products
General Description
1300MHz to 2700MHz Variable-Gain
Amplifier with Analog Gain Control
Applications
o 1300MHz to 2700MHz RF Frequency Range*
o 37dBm Constant OIP3 (Over All Gain Settings)
o 23.8dBm Output 1dB Compression Point
o 15.5dB Typical Gain at Maximum Gain Setting
o 0.5dB Gain Flatness Over 100MHz Bandwidth
o 6dB Noise Figure at Maximum Gain Setting (Using
o Two Gain-Control Ranges: 21dB and 42dB
o Analog Gain Control
o Single +5V Supply Voltage
o Pin Compatible with MAX2056, 800MHz to
o External Current-Setting Resistors Provide Option
o Lead-Free Package Available
* Note: Operation beyond this range is possible, but has not been
characterized.
** EP = Exposed pad.
+ Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape-and-reel package.
Pin Configuration/Functional Diagram appear at end of data
sheet.
MAX2057ETX+
MAX2057ETX+T
1 Attenuator)
1000MHz RF VGA
for Operating VGA in Reduced-Power/Reduced-
Performance Mode
PART
-40°C to +85°C
-40°C to +85°C
TEMP RANGE
Ordering Information
PIN-PACKAGE
36 Thin QFN-EP**
6mm x 6mm
36 Thin QFN-EP**
6mm x 6mm
Features
1

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MAX2057ETX+ Summary of contents

Page 1

... Operating VGA in Reduced-Power/Reduced- Performance Mode o Lead-Free Package Available * Note: Operation beyond this range is possible, but has not been characterized. Applications PART MAX2057ETX+ MAX2057ETX Exposed pad. + Denotes a lead(Pb)-free/RoHS-compliant package Tape-and-reel package. Pin Configuration/Functional Diagram appear at end of data sheet. Features Ordering Information ...

Page 2

Variable-Gain Amplifier with Analog Gain Control ABSOLUTE MAXIMUM RATINGS V to GND ...........................................................-0.3V to +5. GND (with V applied) .............................0V to 4.75V CNTL CC Current into V pin (V grounded) .............................40mA CNTL CC All ...

Page 3

Variable-Gain Amplifier with Analog Gain Control AC ELECTRICAL CHARACTERISTICS (continued) (Typical Operating Circuit with one attenuator connected, V 2500MHz, unless otherwise noted. Typical values are 1V, 50Ω system impedance, second attenuator is not ...

Page 4

Variable-Gain Amplifier with Analog Gain Control (Typical Application Circuit with one attenuator connected, V setting +5dBm, linearity measured at P OUT SUPPLY CURRENT vs. SUPPLY VOLTAGE 200 T = +85°C A 190 180 T = ...

Page 5

Variable-Gain Amplifier with Analog Gain Control (Typical Application Circuit with one attenuator connected, V setting +5dBm, linearity measured at P OUT REVERSE ISOLATION vs. RF FREQUENCY 60 18dB GAIN REDUCTION ...

Page 6

Variable-Gain Amplifier with Analog Gain Control (Typical Application Circuit with one attenuator connected, V setting +5dBm, linearity measured at P OUT OUTPUT IP2 vs. RF FREQUENCY 4.75V 5.00V ...

Page 7

Variable-Gain Amplifier with Analog Gain Control (Typical Application Circuit with two attenuators connected, V setting +5dBm, linearity measured at P OUT INPUT RETURN LOSS vs. RF FREQUENCY ...

Page 8

Variable-Gain Amplifier with Analog Gain Control (Typical Application Circuit with two attenuators connected, V setting +5dBm, linearity measured at P OUT REVERSE ISOLATION vs. RF FREQUENCY +85° -40°C ...

Page 9

Variable-Gain Amplifier with Analog Gain Control PIN NAME 10, 12, 14, 18, 19, GND Ground. Connect to the board’s ground plane using low-inductance layout techniques. 21–24, 27, 28, 30, 31, 33, ...

Page 10

Variable-Gain Amplifier with Analog Gain Control C3 RF INPUT GND 2 OUT_A 3 GND GND GND 7 GND C1 8 IN_A 9 GND ...

Page 11

Variable-Gain Amplifier with Analog Gain Control Table 1. Typical Application Circuit Component Values DESIGNATION VALUE Microwave capacitors C1, C3, C5, C7, C10 22pF (0402) Microwave capacitors C2, C4, C6, C8, C9 1000pF (0402) Microwave capacitors C13, C14, ...

Page 12

Variable-Gain Amplifier with Analog Gain Control Pin Configuration/ Functional Diagram GND 2 OUT_A EP 3 GND MAX2057 GND GND ATTENUATION CONTROL 7 GND CIRCUITRY IN_A ...

Page 13

... 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 ____________________ 13 © 2010 Maxim Integrated Products ...

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