MAX2031 MAXIM [Maxim Integrated Products], MAX2031 Datasheet

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MAX2031

Manufacturer Part Number
MAX2031
Description
High-Linearity, 815MHz to 1000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet

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MAX2031ETP
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MAX2031ETP+
Manufacturer:
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Quantity:
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The MAX2031 high-linearity passive upconverter or
downconverter mixer is designed to provide +36dBm
IIP3, 7dB NF, and 7dB conversion loss for an 815MHz
to 1000MHz RF frequency range to support GSM/cellu-
lar base-station transmitter or receiver applications.
With a 960MHz to 1180MHz LO frequency range, this
particular mixer is ideal for high-side LO injection archi-
tectures. For a pin-to-pin-compatible mixer meant for
low-side LO injection, contact the factory.
In addition to offering excellent linearity and noise per-
formance, the MAX2031 also yields a high level of com-
ponent integration. This device includes a double-
balanced passive mixer core, a dual-input LO selec-
table switch, and an LO buffer. On-chip baluns are also
integrated to allow for a single-ended RF input for
downconversion (or RF output for upconversion), and
single-ended LO inputs. The MAX2031 requires a nomi-
nal LO drive of 0dBm, and supply current is guaranteed
to be below 100mA.
The MAX2031 is pin compatible with the MAX2039/
MAX2041* 1700MHz to 2200MHz mixers, making this
family of passive upconverters and downconverters
ideal for applications where a common PC board layout
is used for both frequency bands.
The MAX2031 is available in a compact 20-pin thin
QFN package (5mm x 5mm) with an exposed paddle.
Electrical performance is guaranteed over the extended
-40°C to +85°C temperature range.
19-0248; Rev 0; 7/05
High-Linearity, 815MHz to 1000MHz Upconversion/
*Future product—contact factory for availability.
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.
cdma2000 is a registered trademark of Telecommunications
Industry Association.
iDEN is a registered trademark of Motorola, Inc.
WiMAX is a service mark of Bandwidth.com, Inc.
Cellular Band WCDMA
and cdma2000
Stations
GSM 850/GSM 900 2G
and 2.5G EDGE Base
Stations
Integrated Digital
Enhanced Network
(iDEN
WiMAX
and Customer Premise
Equipment
®
(SM)
) Base Stations
Downconversion Mixer with LO Buffer/Switch
Base Stations
®
________________________________________________________________ Maxim Integrated Products
Base
General Description
Predistortion Receivers
Microwave and Fixed
Broadband Wireless
Access
Wireless Local Loop
Digital and Spread-
Spectrum
Communication Systems
Applications
o 815MHz to 1000MHz RF Frequency Range
o 960MHz to 1180MHz LO Frequency Range
o 325MHz to 850MHz LO Frequency Range
o DC to 250MHz IF Frequency Range
o 7dB Conversion Loss
o +36dBm Input IP3
o +27dBm Input 1dB Compression Point
o 7dB Noise Figure
o Integrated LO Buffer
o Integrated RF and LO Baluns
o Low -3dBm to +3dBm LO Drive
o Built-In SPDT LO Switch with 49dB LO1 to LO2
o Pin Compatible with the MAX2039/MAX2041
o External Current-Setting Resistor Provides Option
o Lead-Free Package Available
**EP = Exposed paddle.
+Denotes lead-free package.
M AX 2031E TP /- T
M AX 2031E TP + /+ T - 40°C to + 85° C
(Contact Factory)
Isolation and 50ns Switching Time
1700MHz to 2200MHz Mixers
for Operating Mixer in Reduced-Power/Reduced-
Performance Mode
TOP VIEW
PART
GND
GND
TAP
V
CC
RF
1
2
3
4
5
TEMP RANGE PIN-PACKAGE
- 40°C to + 85° C
E.P.
20
6
Ordering Information
19
Functional Diagram
7
Pin Configuration/
18
8
MAX2031
17
9
20 Thi n QFN- E P **
( 5mm x 5m m )
20 Thi n QFN- E P **
( 5mm x 5m m )
16
10
15 LO2
14
13
12
11
Features
V
GND
GND
LO1
CC
T2055- 3
T2055- 3
CODE
PKG
1

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MAX2031 Summary of contents

Page 1

... For a pin-to-pin-compatible mixer meant for low-side LO injection, contact the factory. In addition to offering excellent linearity and noise per- formance, the MAX2031 also yields a high level of com- ponent integration. This device includes a double- balanced passive mixer core, a dual-input LO selec- table switch, and an LO buffer. On-chip baluns are also ...

Page 2

High-Linearity, 815MHz to 1000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch ABSOLUTE MAXIMUM RATINGS V to GND ...........................................................-0.3V to +5. ( shorted to GND through a balun)..................50mA LO1, LO2 to GND ..................................................-0.3V to +0.3V IF+, IF- to ...

Page 3

High-Linearity, 815MHz to 1000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch AC ELECTRICAL CHARACTERISTICS (DOWNCONVERTER OPERATION) (Typical Application Circuit 2pF, L1 and C4 not used -3dBm to +3dBm 0dBm +85°C, unless ...

Page 4

High-Linearity, 815MHz to 1000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch AC ELECTRICAL CHARACTERISTICS (UPCONVERTER OPERATION) (continued) (Typical Application Circuit 4.7nH 6pF, C5 not used, V sources -3dBm to +3dBm 0dBm ...

Page 5

High-Linearity, 815MHz to 1000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch (Typical Application Circuit 2pF, L1 and C4 not used, V otherwise noted.) CONVERSION LOSS vs. RF FREQUENCY +25° -25° +85°C ...

Page 6

High-Linearity, 815MHz to 1000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch (Typical Application Circuit 2pF, L1 and C4 not used, V otherwise noted.) 2LO - 2RF RESPONSE vs. RF FREQUENCY 0dBm +25°C C ...

Page 7

High-Linearity, 815MHz to 1000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch (Typical Application Circuit 2pF, L1 and C4 not used, V otherwise noted.) LO SWITCH ISOLATION vs. LO FREQUENCY -40°C, -25° ...

Page 8

High-Linearity, 815MHz to 1000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch (Typical Application Circuit 2pF, L1 and C4 not used, V otherwise noted.) RF-TO-IF ISOLATION vs. RF FREQUENCY +85° +25° ...

Page 9

High-Linearity, 815MHz to 1000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch (Typical Application Circuit 4.7nH 6pF, C5 not used, V unless otherwise noted.) CONVERSION LOSS vs. RF FREQUENCY (L-C BPF TUNED FOR 810MHz RF FREQUENCY ...

Page 10

High-Linearity, 815MHz to 1000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch (Typical Application Circuit 4.7nH 6pF, C5 not used, V unless otherwise noted 2IF REJECTION vs. LO FREQUENCY (L-C BPF TUNED FOR 810MHz RF FREQUENCY) ...

Page 11

High-Linearity, 815MHz to 1000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch (Typical Application Circuit 4.7nH 6pF, C5 not used, V unless otherwise noted.) LO LEAKAGE AT RF PORT vs. LO FREQUENCY (L-C BPF TUNED FOR 810MHz RF ...

Page 12

... LO inputs with 49dB of LO-to-LO isolation. Furthermore, the integrated LO buffer provides a high drive level to the mixer core, reducing the LO drive required at the MAX2031’s inputs to a -3dBm to +3dBm range. The IF port incorporates a dif- ferential output for downconversion, which is ideal for providing enhanced IIP2 performance ...

Page 13

... The core of the MAX2031 is a double-balanced, high- performance passive mixer. Exceptional linearity is pro- vided by the large LO swing from the on-chip LO buffer. The MAX2031 mixer has 250MHz IF frequency range. Note that these differential ports are ideal for pro- viding enhanced IIP2 performance. Single-ended IF applications require a 1:1 balun to transform the 50Ω ...

Page 14

... Downconversion Mixer with LO Buffer/Switch NOTE: L1 AND C4 USED ONLY FOR UPCONVERTER OPERATION. C5 USED ONLY FOR DOWNCONVERTER OPERATION. 14 ______________________________________________________________________________________ MAX2031 TAP 4 GND E.P. 5 GND LOSEL TRANSISTOR COUNT: 1017 ...

Page 15

High-Linearity, 815MHz to 1000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch (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.) D D/2 MARKING XXXXX PIN # 1 ...

Page 16

High-Linearity, 815MHz to 1000MHz Upconversion/ Downconversion Mixer with LO Buffer/Switch (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.) COMMON DIMENSIONS PKG. 16L 5x5 20L 5x5 ...

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