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MAX2045 Datasheet

  • MAX2045

  • High-Gain Vector Multipliers

  • Maxim   Maxim

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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
鉁?/div>
5mm, 32-lead thin QFN exposed-paddle
packages.
The MAX2045/MAX2046/MAX2047 evaluation kits are
available, contact factory for availability.
Features
o
Multiple RF Frequency Bands of Operation
2040MHz to 2240MHz (MAX2045)
1740MHz to 2060MHz (MAX2046)
790MHz to 1005MHz (MAX2047)
o
鹵0.2dB Gain Flatness
o
鹵1擄 Phase Flatness
o
3dB Control Bandwidth: 260MHz
o
15dBm Input IP3
o
15dB Gain Control Range
o
Continuous 360擄 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
MAX2045/MAX2046/MAX2047
Applications
UMTS/PCS/DCS/Cellular/GSM Base Station
Feed-Forward and Predistortion Power Amplifiers
RF Magnitude and Phase Adjustment
RF Cancellation Loops
Beam-Forming Applications
Pin Configuration/Block Diagram
RFIN2
RFIN1
GND
GND
GND
GND
GND
26
GND
25
32
31
30
29
28
VI1
VI2
VQ1
27
1
2
3
4
5
6
7
8
10
11
12
13
14
15
16
9
2.5V
REFERENCE
OUTPUT
STAGE
CONTROL
AMPLIFIER I
90擄
PHASE
SHIFTER
24
23
22
GND
GND
RBIAS
GND
GND
GND
V
CC
V
CC
Ordering Information
PART
MAX2045ETJ-T
MAX2046ETJ-T
TEMP RANGE
-40擄C to +85擄C
-40擄C to +85擄C
PIN-PACKAGE
32 Thin QFN-EP*
32 Thin QFN-EP*
32 Thin QFN-EP*
VQ2
II1
II2
IQ1
IQ2
MAX2045
MAX2046
MAX2047
CONTROL
AMPLIFIER Q
21
VECTOR
MULTIPLIER
20
19
18
17
MAX2047ETJ-T
-40擄C to +85擄C
*EP
= Exposed paddle.
REFOUT
RFOUT1
RFOUT2
GND
GND
GND
GND
QFN
________________________________________________________________
Maxim Integrated Products
GND
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.

MAX2045 PDF文件相關(guān)型號

MAX2045ETJ-T,MAX2046,MAX2047

MAX2045相關(guān)型號PDF文件下載

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