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Numéro de référence | MAX2064 | ||
Description | Serial/Analog-Controlled VGA | ||
Fabricant | Maxim Integrated | ||
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1 Page
MAX2064
Dual 50MHz to 1000MHz High-Linearity,
Serial/Analog-Controlled VGA
General Description
The MAX2064 high-linearity, dual analog variable-gain
amplifier (VGA) operates in the 50MHz to 1000MHz
frequency range. Each analog attenuator is controlled
using an external voltage, or through the SPI-compatible
interface using an on-chip 8-bit DAC.
Since each of the stages has its own external RF
input and RF output, this component can be con-
figured to either optimize noise figure (NF) (ampli-
fier configured first) or OIP3 (amplifier last). The
device’s performance features include 24dB ampli-
fier gain (amplifier only), 4.4dB 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
transmitter applications.
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-
ture range, from TC = -40NC to +85NC.
Applications
IF and RF Gain Stages
Temperature-Compensation Circuits
WCDMA, TD-SCDMA, and cdma2000M Base
Stations
GSM 850/GSM 900 EDGE Base Stations
WiMAXM, LTE, and TD-LTE Base Stations and
Customer-Premise Equipment
Fixed Broadband Wireless Access
Wireless Local Loop
Features
S Independently Controlled Dual Paths
S 50MHz to 1000MHz RF Frequency Range
S Pin-Compatible Family Includes
MAX2062 (Analog/Digital VGA)
MAX2063 (Digital-Only VGA)
S 22dB (typ) Maximum Gain
S 0.19dB Gain Flatness Over 100MHz Bandwidth
S 33dB Gain Range
S 49dB Path Isolation (at 200MHz)
S Built-In 8-Bit DACs for Analog Attenuation Control
S Excellent Linearity at 200MHz (Configured with
Amp Last)
+41dBm OIP3
+59dBm OIP2
+19dBm Output 1dB Compression Point
S 4.4dB Typical Noise Figure (at 200MHz)
S Single +5V Supply (or +3.3V Operation)
S Amplifier Power-Down Mode for TDD Applications
Ordering Information
PART
TEMP RANGE PIN-PACKAGE
MAX2064ETM+
-40NC to +85NC 48 TQFN-EP*
MAX2064ETM+T -40NC to +85NC 48 TQFN-EP*
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
T = Tape and reel.
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.
19-5618; Rev 1; 8/15
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Pages | Pages 20 | ||
Télécharger | [ MAX2064 ] |
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