MAX2065EVKIT Maxim Integrated Products, MAX2065EVKIT Datasheet

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MAX2065EVKIT

Manufacturer Part Number
MAX2065EVKIT
Description
KIT EVALUATION FOR MAX2065
Manufacturer
Maxim Integrated Products
Type
Amplifierr
Datasheet
1.MAX2065EVKIT.pdf (27 pages)

Specifications of MAX2065EVKIT

Frequency
50MHz ~ 1GHz
For Use With/related Products
MAX2065
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX2065 high-linearity, analog/digital variable-
gain amplifier (VGA) is designed to operate in the
50MHz to 1000MHz frequency range with two indepen-
dent attenuators (see the Typical Application Circuit ).
The digital attenuator is controlled as a slave peripheral
using either the SPI™-compatible interface or a parallel
bus with 31dB total adjustment range in 1dB steps. An
added feature allows “rapid-fire” gain selection
between each of four steps, preprogrammed by the
user through the SPI-compatible interface. The 2-pin
control allows the user to quickly access any one of
four customized attenuation states without reprogram-
ming the SPI bus. The analog attenuator is controlled
using an external voltage or through the SPI-compatible
interface using an on-chip 8-bit DAC.
Because each of the three stages has its own RF input
and RF output, this component can be configured to
either optimize NF (amplifier configured first), OIP3 (ampli-
fier last), or a compromise of NF and OIP3. The device’s
performance features include 22dB amplifier gain (ampli-
fier only), 6.5dB NF at maximum gain (includes attenuator
insertion losses), and a high OIP3 level of +42dBm. Each
of these features makes the MAX2065 an ideal VGA for
numerous receiver and transmitter applications.
In addition, the MAX2065 operates from a single +5V
supply with full performance, or a single +3.3V supply
with slightly reduced performance, and has an
adjustable bias to trade current consumption for linearity
performance. This device is available in a compact 40-
pin thin QFN package (6mm x 6mm) with an exposed
pad. Electrical performance is guaranteed over the
extended temperature range (T
19-3131; Rev 0; 3/08
SPI is a trademark of Motorola, Inc.
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.
IF and RF Gain Stages
Temperature Compensation Circuits
Cellular Band WCDMA and cdma2000
Stations
GSM 850/GSM 900 EDGE Base Stations
WiMAX and LTE Base Stations and Customer
Premise Equipment
Fixed Broadband Wireless Access
Wireless Local Loop
Military Systems
Video-on-Demand (VOD) and DOCSIS
Compliant EDGE QAM Modulation
Cable Modem Termination Systems (CMTS)
50MHz to 1000MHz High-Linearity, Serial/
________________________________________________________________ Maxim Integrated Products
Parallel-Controlled Analog/Digital VGA
General Description
C
= -40°C to +85°C).
Applications
®
®
-
Base
♦ 50MHz to 1000MHz RF Frequency Range
♦ Pin-Compatible Family Includes:
♦ +19.4dB (Typ) Maximum Gain
♦ 0.5dB Gain Flatness Over 100MHz Bandwidth
♦ 62dB Gain Range (31dB Analog + 31dB Digital)
♦ Built-in DAC for Analog Attenuation Control
♦ Supports Four “Rapid-Fire” Preprogrammed
♦ Excellent Linearity (Configured with Amplifier
♦ 6.5dB Typical Noise Figure (NF)
♦ Fast, 25ns Digital Switching
♦ Very Low Digital VGA Amplitude Overshoot/
♦ Single +5V Supply (Optional +3.3V Operation)
♦ External Current-Setting Resistors Provide Option
+ Denotes a lead-free package.
* EP = Exposed pad.
T = Tape and reel.
Pin Configuration appears at end of data sheet.
cdma2000 is a registered trademark of Telecommunications
Industry Association.
DOCSIS and CableLabs are registered trademarks of Cable
Television Laboratories, Inc. (CableLabs®).
M AX 2065E TL+ T -40°C to +85°C 40 Thin QFN-EP*
MAX2065ETL+
Attenuator States
Last)
Undershoot
PART
MAX2066 (Digital VGA)
MAX2067 (Analog VGA)
Quickly Access Any One of Four Customized
Ideal for Fast-Attack, High-Level Blocker Protection
Prevents ADC Overdrive Condition
+42dBm OIP3
+63dBm OIP2
+19dBm Output 1dB Compression Point
-67dBc HD2
-83dBc HD3
for Operating Device in Reduced-Power/
Reduced-Performance Mode
Attenuation States Without Reprogramming
the SPI Bus
-40°C to +85°C 40 Thin QFN-EP*
TEMP RANGE
Ordering Information
PIN-
PACKAGE
Features
T4066-3
T4066-3
CODE
PKG
1

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MAX2065EVKIT Summary of contents

Page 1

... Video-on-Demand (VOD) and DOCSIS Compliant EDGE QAM Modulation Cable Modem Termination Systems (CMTS) SPI is a trademark of Motorola, Inc. ________________________________________________________________ Maxim Integrated Products 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. ♦ 50MHz to 1000MHz RF Frequency Range ♦ ...

Page 2

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA ABSOLUTE MAXIMUM RATINGS VCC_ to GND ........................................................-0.3V to +5.5V VDD_LOGIC, DATA, CS, CLK, SER/PAR, VDAC_EN, VREF_SELECT.....................................-0.3V to (VCC_ + 0.3V) STATE_A, STATE_B, D0–D4 ....................-0.3V to (VCC_ + 0.3V) AMP_IN, AMP_OUT, VREF_IN, ANALOG_VCTRL ...

Page 3

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA +3.3V SUPPLY AC ELECTRICAL CHARACTERISTICS ( Typical Application Circuit , V = +3.0V to +3.6V tors set for maximum gain -20dBm PARAMETER SYMBOL RF Frequency Range ...

Page 4

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA +5V SUPPLY AC ELECTRICAL CHARACTERISTICS (continued) ( Typical Application Circuit , V = +4.75 to +5.25V, HC mode with each attenuator set for maximum gain, 50MHz ≤ -40°C ...

Page 5

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA +5V SUPPLY AC ELECTRICAL CHARACTERISTICS (continued) ( Typical Application Circuit , V = +4.75 to +5.25V, HC mode with each attenuator set for maximum gain, 50MHz ≤ -40°C ...

Page 6

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA (V = +5.0V, HC mode, both attenuators set for maximum gain ence used, unless otherwise noted.) SUPPLY CURRENT vs 150 T = -40°C C 140 T = +25°C ...

Page 7

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA (V = +5.0V, HC mode, both attenuators set for maximum gain ence used, unless otherwise noted.) S21 PHASE CHANGE OVER DIGITAL ATTENUATOR SETTING vs. RF FREQUENCY ...

Page 8

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA (V = +5.0V, HC mode, both attenuators set for maximum gain ence used, unless otherwise noted.) NOISE FIGURE vs. RF FREQUENCY +85° ...

Page 9

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA (V = +5.0V, HC mode, both attenuators set for maximum gain ence used, unless otherwise noted.) 2nd HARMONIC vs. RF FREQUENCY 3dBm OUT V = 5.25V CC ...

Page 10

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA (V = +5.0V, HC mode, both attenuators set for maximum gain ence used, unless otherwise noted.) OIP2 vs. DIGITAL ATTENUATOR STATE -40° +25°C ...

Page 11

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA (V = +5.0V, attenuator only, maximum gain GAIN vs. RF FREQUENCY (DIGITAL ATTENUATOR ONLY -40° +85° 250 ...

Page 12

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA (V = +5.0V, LC mode, both attenuators set for maximum gain used, unless otherwise noted.) SUPPLY CURRENT vs (LOW CURRENT MODE -40° ...

Page 13

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA (V = +5.0V, LC mode, both attenuators set for maximum gain used, unless otherwise noted.) OUTPUT P1dB vs. RF FREQUENCY (LOW CURRENT MODE -40° ...

Page 14

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA (V = +5.0V, LC mode, both attenuators set for maximum gain used, unless otherwise noted.) 2nd HARMONIC vs. ANALOG ATTENUATOR STATE (LOW CURRENT MODE 0dBm OUT RF ...

Page 15

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA (V = +3.3V, HC mode, both attenuators set for maximum gain ence used, unless otherwise noted.) SUPPLY CURRENT vs -40° ...

Page 16

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA (V = +3.3V, HC mode, both attenuators set for maximum gain ence used, unless otherwise noted.) OUTPUT P1dB vs. RF FREQUENCY 3. -40°C ...

Page 17

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA (V = +3.3V, HC mode, both attenuators set for maximum gain ence used, unless otherwise noted.) 2nd HARMONIC vs. ANALOG ATTENUATOR STATE 0dBm OUT RF = 200MHz ...

Page 18

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA PIN NAME 1, 16, 19, 22, 24–28, 30, GND Ground 31, 33–36 DAC Reference Voltage Selection Logic Input. Logic 1 = internal DAC reference voltage, 2 VREF_SELECT Log ...

Page 19

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA Detailed Description The MAX2065 high-linearity analog/digital variable-gain amplifier is a general-purpose, high-performance amplifier designed to interface with 50Ω systems oper- ating in the 50MHz to 1000MHz frequency range. The MAX2065 integrates one ...

Page 20

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA MSB DATA DN CLOCK CS t EWS Figure 1. MAX2065 SPI Timing Diagram Table 2. SPI Data Format FUNCTION BIT D27 (MSB) D26 Digital Attenuator State 4 D25 D24 D23 D22 D21 ...

Page 21

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA Table 2. SPI Data Format (continued) FUNCTION BIT On-Chip DAC (LSB) Attenuator and DAC Operation The analog attenuator is controlled by an external con- ...

Page 22

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA The user can employ the STATE_A and STATE_B logic- input pins to apply each step as required (Table 4). Toggling just the STATE_A pin (one control bit) yields two preprogrammed attenuation states; ...

Page 23

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA Table 6. Typical Application Circuit Component Values (LC Mode) DESIGNATION VALUE C1, C2, C7, C11 10nF C3, C4, C6, C8, C9, C10 1000pF C12, C13 150pF L1 470nH R1 24Ω R1A 0.01µF ...

Page 24

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA C11 R4 VREF_IN C13 + GND VREF_SELECT VDAC_EN DATA CLK VDD_LOGIC C1 SER/PAR STATE_A STATE_B 10 24 ______________________________________________________________________________________ V CC C12 RF INPUT C10 ...

Page 25

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA TOP VIEW + GND 1 VREF_SELECT 2 VDAC_EN 3 DATA 4 CLK VDD_LOGIC 7 SER/PAR 8 STATE_A 9 STATE_B 10 Chip Information PROCESS: SiGe BiCMOS ______________________________________________________________________________________ Pin Configuration/Functional Block ...

Page 26

High-Linearity, Serial/ Parallel-Controlled Analog/Digital VGA (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) 26 ______________________________________________________________________________________ Package Information ...

Page 27

... 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 ____________________ 27 © 2008 Maxim Integrated Products Package Information (continued registered trademark of Maxim Integrated Products, Inc ...

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