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MAX2062ETMT

更新时间: 2024-01-29 15:02:47
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
24页 4089K
描述
Dual 50MHz to 1000MHz High-Linearity, Serial/Parallel-Controlled Analog/Digital VGA

MAX2062ETMT 数据手册

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MAX2062  
Dual 50MHz to 1000MHz High-Linearity,  
Serial/Parallel-Controlled Analog/Digital VGA  
General Description  
Features  
S Independently Controlled Dual Paths  
The MAX2062 high-linearity, dual analog/digital variable-  
gain amplifier (VGA) operates in the 50MHz to 1000MHz  
frequency range with two independent attenuators in  
each signal path. Each digital attenuator is controlled  
as a slave peripheral using either the SPI-compatible  
interface, or a 5-bit parallel bus with 31dB total adjust-  
ment range in 1dB steps. An added feature allows  
rapid-fire gain selection among each of the four steps,  
preprogrammed by the user through the SPI-compatible  
interface. A separate 2-pin control lets the user quickly  
access any one of four customized attenuation states  
without reprogramming the SPI bus. Each analog attenu-  
ator is controlled using an external voltage or through the  
SPI-compatible interface using an on-chip 8-bit DAC.  
S 50MHz to 1000MHz RF Frequency Range  
S Pin-Compatible Family Includes  
MAX2063 (Digital-Only VGA)  
MAX2064 (Analog-Only VGA)  
S 19.4dB (typ) Maximum Gain  
S 0.34dB Gain Flatness Over 100MHz Bandwidth  
S 64dB Gain Range (33dB Analog Plus 31dB Digital)  
S 56dB Path Isolation (at 200MHz)  
S Built-In 8-Bit DACs for Analog Attenuation Control  
S Supports Four Rapid-Fire Preprogrammed  
Attenuator States  
Since each of the stages has its own external RF input  
and RF output, this component can be configured to  
either optimize noise figure (NF) (amplifier configured  
first), OIP3 (amplifier last), or a compromise of NF and  
OIP3. The device’s performance features include 24dB  
amplifier gain (amplifier only), 7.3dB NF at maximum  
gain (includes attenuator insertion losses), and a high  
OIP3 level of +41dBm. Each of these features makes  
the device an ideal VGA for multipath receiver and trans-  
mitter applications.  
Quickly Access Any One of Four Customized  
Attenuator States  
Ideal for Fast-Attack, High-Level Blocker  
Protection  
Protects ADC Overdrive Condition  
S Excellent Linearity (Configured with Amp Last at  
200MHz)  
+41dBm OIP3  
+56dBm OIP2  
+19dBm Output 1dB Compression Point  
In addition, the device operates from a single +5V  
supply with full performance or a +3.3V supply for an  
enhanced power-savings mode with lower performance.  
The device is available in a compact 48-pin TQFN  
package (7mm x 7mm) with an exposed pad. Electrical  
performance is guaranteed over the extended tempera-  
S 7.3dB Typical Noise Figure (at 200MHz)  
S Fast, 25ns Digital Switching  
S Very Low Digital VGA Amplitude Overshoot/  
Undershoot  
S Single +5V Supply (or +3.3V Operation)  
ture range, from T = -40NC to +85NC.  
C
S Amplifier Power-Down Mode for TDD Applications  
Applications  
Ordering Information  
IF and RF Gain Stages  
Temperature-Compensation Circuits  
GSM/EDGE Base Stations  
PART  
TEMP RANGE  
-40NC to +85NC  
-40NC to +85NC  
PIN-PACKAGE  
48 TQFN-EP*  
48 TQFN-EP*  
MAX2062ETM+  
MAX2062ETM+T  
M
WCDMA, TD-SCDMA, and cdma2000 Base  
Stations  
+Denotes lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
T = Tape and reel.  
M
WiMAX , LTE, and TD-LTE Base Stations and  
Customer-Premise Equipment  
Fixed Broadband Wireless Access  
Wireless Local Loop  
cdma2000 is a registered certification mark and registered  
service mark of the Telecommunications Industry Association.  
WiMAX is a registered certification mark and registered ser-  
vice mark of the WiMAX Forum.  
For pricing, delivery, and ordering information, please contact Maxim Direct  
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.  
19-5511; Rev 2; 8/15  

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