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参数资料
型号： MAX2047ETJ+T
厂商： Maxim Integrated
文件页数： 1/21页
文件大小： 0K
描述： IC MULT HI GAIN VECTOR 32-TQFN
产品培训模块： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装： 2,500
功能： 高增益矢量倍频器
频率： 790MHz ~ 1.005GHz
RF 型： 手机，DCS，GSM，PCS，UMTS
次要属性： 15dBm 输入 IP3
封装/外壳： 32-WFQFN 裸露焊盘
包装： 带卷 (TR)
19-2728; Rev 0; 1/03
High-Gain Vector Multipliers
General Description
The MAX2045/MAX2046/MAX2047 low-cost, fully inte-
grated vector multipliers alter the magnitude and phase
of an RF signal. Each device is optimized for the UMTS
(MAX2045), DCS/PCS (MAX2046), or cellular/GSM
(MAX2047) frequency bands. These devices feature
differential RF inputs and outputs.
The MAX2045/MAX2046/MAX2047 provide vector
adjustment through the differential I/Q amplifiers. The
I/Q amplifiers can interface with voltage and/or current
digital-to-analog converters (DACs). The voltage inputs
are designed to interface to a voltage-mode DAC, while
the current inputs are designed to interface to a current-
mode DAC. An internal 2.5V reference voltage is provid-
ed for applications using single-ended voltage DACs.
The MAX2045/MAX2046/MAX2047 operate from a 4.75V
to 5.25V single supply. All devices are offered in a com-
pact 5mm ? 5mm, 32-lead thin QFN exposed-paddle
packages.
The MAX2045/MAX2046/MAX2047 evaluation kits are
available, contact factory for availability.
Applications
UMTS/PCS/DCS/Cellular/GSM Base Station
Feed-Forward and Predistortion Power Amplifiers
RF Magnitude and Phase Adjustment
Features
o Multiple RF Frequency Bands of Operation
2040MHz to 2240MHz (MAX2045)
1740MHz to 2060MHz (MAX2046)
790MHz to 1005MHz (MAX2047)
o ±0.2dB Gain Flatness
o ±1° Phase Flatness
o 3dB Control Bandwidth: 260MHz
o 15dBm Input IP3
o 15dB Gain Control Range
o Continuous 360° Phase Control Range
o 6.5dB Maximum Gain for Continuous Phase
o On-Chip Reference for Single-Ended
Voltage-Mode Operation
o 800mW Power Consumption
o Space-Saving 5mm x 5mm Thin QFN Package
o Single 5V supply
Pin Configuration/Block Diagram
RF Cancellation Loops
VI1
1
24
GND
Beam-Forming Applications
VI2
VQ1
2
3
CONTROL
AMPLIFIER I
90 °
PHASE
SHIFTER
23
22
GND
RBIAS
PART
Ordering Information
TEMP RANGE PIN-PACKAGE
VQ2
4
MAX2045
MAX2046
MAX2047
VECTOR
21
GND
MAX2045 ETJ-T
MAX2046 ETJ-T
-40°C to +85°C
-40°C to +85°C
32 Thin QFN-EP*
32 Thin QFN-EP*
II1
II2
5
6
CONTROL
AMPLIFIER Q
MULTIPLIER
20
19
GND
GND
MAX2047 ETJ-T -40°C to +85°C
* EP = Exposed paddle.
32 Thin QFN-EP*
IQ1
7
2.5V
REFERENCE
OUTPUT
STAGE
18
V CC
IQ2
8
17
V CC
QFN
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
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